LIST OF PAPERS

1.J.Drzymala, J.Serkies, On the Lechosos Opals and Chrysoprases in the Weathering Zone of Serpentinites from Szklary (Lower Silesia), Bull.Acad.Sci., des Science de la Terrie, XXI, No. 2, 111-117(1973).

2.J.Lekki, J.Drzymała, W. Szeja, Determination of Applicability of Dipropylacetal as Frother. Part I: Investigation of Interactions at the Chalcocite-Aqueous Solution Interface, Cuprum, No.3, 29-33(1977), in Polish.

3.J.Lekki, J.Laskowski, J.Szczypa, J.Drzymala, Physical-chemical Models in the Research of Floatability of Minerals, XII IMPC, Sao Paulo 1977, No.2, 304-324(1980).

4.J.Drzymala, J.Lekki, Point of zero charge of metal oxides and hydroxides, Prace Naukowe Instytutu Chemii Nieorganicznej i Metalurgii Pierwiastków Rzadkich Politechniki, Studia i Materia³y Nr 16, 1-56(1979), in Polish.

5.J.Drzymala, J.Lekki, A Comparison of Methods Used for Determination of Point of Zero Charge Using Copper (II) Oxide as an Example, Prace Naukowe Instytutu Chemii Nieorganicznej i Metalurgii Pierwiastków Rzadkich Politechniki, Studia i Materia³y, Nr 16, 57-74(1979), in Polish.

6.J.Drzymala, J.Lekki, J.Laskowski, Surface Dissociation Constants for Solid Oxide-Aqueous Solution System, Colloid and Polymer Sci., 257, 768-772(1979).

7.J.Drzymala, Adsorption Isotherm of Potential Determining Ions at the Oxide-Aqueous Solution Interface, Polish Journal of Chemistry, 53, 1809-1820(1979).

8.J.Drzymala, Determination of Concentration of Hydroxyl and Metal Hydroxyl Groups on the Surface of Oxides Based on Crystallographic Lattice Parameters, Wiadomoœci Chemiczne, 33, 101-121(1979), in Polish.

9.J.Drzymala, J.Laskowski, Electrokinetic Measurements in Mineral Processing, Fizykochemiczne Problemy Mineralurgii - Physicochemical Problems of Mineral Processing, 12, 35-45(1980).

10.J.Drzymala, D.W.Fuerstenau, Selective Flocculation of Hematite in the Hematite-Quartz-Ferric Ions-Polyacrylic Acid System. Part I. Activation and Deactivation of Quartz, Inter.Min.Process.Journal, 8, 265-277(1981).

11.J.Drzymala, J.Laskowski, Application of Chelating Agents in Flotation, Fizykochemiczne Problemy Mineralurgii, 13, 39-64(1981), in Polish.

12.F.Letowski, S.Michalak, G.Sokalska, J.Drzymala, J.Mordalski, Utilization of Wastes from Acid Leaching of Copper Concentrates, Polish Temporary Patent No. 110494, 1982, in Polish.

13.J.Drzymala, A New Variant of Carrier Magnetic Separation in Relation to Known Methods of Upgrading, Fizykochemiczne Problemy Mineralurgii - Physicochemical Problems of Mineral Processing, 14, 55-58(1982).

14.M.Kielkowska, J.Lekki, J.Drzymala, Flotation of Germanium n and p with Potassium Ethyl Xanthate, Inter.Min.Process.Journal, 9, 145-156(1982).

15.J.Drzymala, A.Luszczkiewicz, P.Simiczyjew, Hercynite-Pleonaste from Ilmenite-Magnetite Rocks of Krzemianka (NE Poland). Miner. Polonica, 13(2), 33-40(1982).

16.J.Drzymala, A.Łuszczkiewicz, P.Simiczyjew, Flotation Study on Hercynite High-Hercynite Ilmenite Ore, Inter.Miner.Process.Journal 10, 289-296(183).

17.A.Łuszczkiewicz, J.Lekki, J.Drzymala, Difficulties Encountered During Upgrading of Polish Ilmenite-Magnetite Ore, Prace IM¯, Gliwice, 3/4, 119-124(1983), in Polish.

18.J.Drzymala, A.Luszczkiewicz, J.Lekki, Separation of Steel from Wastes Containing Steel, Abrasives and Oil Phase, Fizykochemiczne Problemy Mineralurgii - Physicochemical Problems of Mineral Processing, 16, 5-8(1984) in Polish.

19.J.Drzymala, A.Luszczkiewicz, Microlaboratory Study on Magnetic, Gravity, and High-tension Separation of Hercynite and Pleonaste from Low Grade Ilmenite Concentrates, Inter.Miner.Process.Journal, 14, 233-238(1985).

20.J.Drzymala, M.M.Kielkowska, Infrared Spectrophotometric Analysis of Acidified Aqueous Sodium Oleate Solutions, Spectrochimica Acta, 41A, No.7, 949-950(1985).

21.J.Drzymala, L.Krajczyk, Electron Microscopic Observation of Fine Polydispersed Emulsion, Colloids and Surfaces, 15, 249-253(1985).

22.J.Drzymala, Chemical Equilibria in the Oleic Acid-Water-NaCl System, J.Colloid Interface Sci., 108, 257-263(1985).

23.J.Drzymala, Potentiometric Titration of Sodium Oleate in Dilute Aqueous Solution, J.Colloid Interface Sci., 107, 442-445(1985).

24.J.Drzymala, Hydrophobization of Solids in Aqueous Oleate Solutions, Fizykochemiczne Problemy Mineralurgii - Physicochemical Problems of Mineral Processing, 18, 63-84(1986), in Polish.

25.G.C.C.Yang, J.Drzymala, Aqua-oleophilicity and Aqua-oleophobicity of Solid Surfaces, Colloids and Surfaces, 17, 313-315(1986).

26.J.Drzymala, R.Markuszewski, T.D.Wheelock, Selective Oil Agglomeration of Graphite in the Presence of Pyrite, Coal Preparation, 3, 89-98(1986).

27.J.Drzymala, R.Markuszewski, T.D.Wheelock, Influence of Air on Oil Agglomeration of Carbonaceous Solids in Aqueous Suspension, Inter. Miner.Process.Journal, 18, 277-286(1986).

28.J.Drzymala, D.W.Fuerstenau, Adsorption of Polyacrylamide, Partially Hydrolyzed Polyacrylamide and Polyacrylic Acid on Ferric Oxide and Silica, Process Technol.Proc., (Flocculation in Biotechnology and Separation Science), 45-60 (1987).

29.J.Drzymala, An Estimation of the Surface Ionization Constant of Oleic Acid in Aqueous Sodium Chloride Solution, Colloid and Polymer Sci., 265, 613-618(1987).

30.J.Drzymala, J.Lekki, M.Kie³kowska, A Study of the Germanium-Sodium Oleate Flotation System, Powder Technology, 52, No.3, 251-256(1987).

31.J.Drzymala, J.Lekki, Application of Flotometry for Characterizing Flotation in the Presence of Particles Aggregation, Minerals Engineering, 1(4), 327-336(1988).

32.J.Drzymala, R.Markuszewski, T.D.Wheelock, Agglomeration with Heptane of Coal and other Materials in Aqueous Suspensions, Minerals Engineering, 1(4), 351-358(1988).

33.J.Mager, J.Lekki, J.Drzymala, Correlation Between Transportation of Oleic Acid Droplets onto Germanium Surface and Floatability, Materials Science Forum, No.25-26, Chemistry of Interface, J.Czarnecki Ed., Trans. Tech. Pub., USA, 509-512(1988).

34.J.Drzymala, J.Lekki, Mechanical, Contactless, and Collector Flotation in the Hallimond Tube, J.Colloid Interface Sci., 130, 197-204(1989).

35.J.Drzymala, J.Lekki, Flotometry-Another Way of Characterizing Flotation, J.Colloid Interface Sci., 130, 205-210(1989).

36.E.Mularczyk, J.Drzymala, Separation of Oleic Acid from Fatty Acid Impurities, Separation Science and Technology, 24(1), 151-155(1989).

37.J.Drzymala, Book review (Reagents in Mineral Technology), Coal Preparation, 7, 115-116(1989).

38.J.Drzymala, Chemistry of Oleic Acid-Water-NaCl System vs. pH at 25C. Surfactants in Solution, V7, K.L.Mittal Ed., Plenum Press, New York, 483-496(1990).

39.J.Lekki, J.Drzymala, Flotometric Analysis of Collectorless Flotation of Sulfide Materials, Colloids and Surfaces, 44, 179-190(1990).

40.J.Drzymala, Properties of Oleate Aqueous Solutions and Emulsions, Prace Naukowe Instytutu Chemii Nieorganicznej i Metalurgii Pierwiastków Rzadkich Politechniki Wroc³awskiej, Nr 61, Seria Monografie, Nr 29, Wroc³aw,1-89(1990), in Polish.

41.J.Drzymala, T.D.Wheelock, Determining the Oil Agglomeration Characteristics of a Coal Suspension by Monitoring Turbidity Changes, 3rd International Conf.on Process. and Utiliz. of High-Sulfur Coals, Elsevier, Amsterdam, 289-300(1990).

42.J.Lekki, J.Drzymala, Flotometric Analysis of Agglomeration in Flotation Systems, Prace Naukowe Instytutu Chemii Nieorganicznej i Metalurgii Pierwiastków Rzadkich Politechniki Wroc³awskiej, Nr 63, Seria Konferencje Nr 15, Wroclaw, 38-44(1990), in Polish.

43.J.Drzymala, R.Markuszewski, T.D.Wheelock, Oil Agglomeration of Sulfurized Pyrite, Minerals Engineering, 4,(2),161-172(1991).

44. J.Lekki, J.Drzymala, Flotometric Investigation of Hydrophobic Sulfide-diethyl Dixantogen System, Colloids and Surfaces, 55, 271-27(1991).

45.A.Boteva, J.Drzymala, K.Kovatshev, Oil Agglomeration of Oxide Minerals with Collectors, Ann.Higher Institute of Mining and Geology, Sofia, 24, Part III, 289-299(1988), in Bulgarian.

46.J.Drzymala, R.Markuszewski, T.D.Wheelock, Pyrite Suppression in Oil Agglomeration of Coal, 1991 Intern.conf.on Coal Science Proc., Butterworth, London, 1005-1008(1991).

47.J.Drzymala, T.D.Wheelock, Coal Hydrophobicity and its Role in Filtration and Dewatering, Filtration and Separation, 351-354(1991)

48.J. Drzymala, T.D.Wheelock, Potential Pyrite Depressants for Use in Oil Agglomeration of Fine-size Coal, Coal Preparation, 10, 189-B 201(1992).

49. J.Drzymala, J.Lekki, A Short Note on Isoelectric Point of Oleic Acid in Aqueous Emulsions, Prace Nukowe Instytutu Górnictwa Politechniki Wroc³awskiej Nr 65, Studia i Materia³y Nr 23, 43-\B 48(1992).

50.J.Drzymala, T.Chmielewski, Flotometry of Very Hydrophobic Materials in the Multibubble Hallimond Tube, Prace Naukowe Instytutu Górnictwa Politechniki Wroc³awskiej Nr 65, Studia i Materialy Nr 23, 49-62(1992).

51.J.Drzymala, T.Chmielewski, K.L.Wolters, D.H.Birlingmair and T.D.Wheelock, Microflotation Measurements Based on Modified Hallimond Tube, Trans. IMM, Sec.C., 101, C17-C24(1992).

52.J.Drzymala, J.Lekki, A Contribution to Understanding Oleate Flotation of Minerals, IV International (Turkish) Mineral Processing Symposium Antalya, 213-225(1992).

53.J.Drzymala, A.Szulmanowicz, A.Luszczkiewicz, T.Chmielewski, Collectorless Flotation of Sulfides from Lubiñ-G³ogow Copper Region, XXV Krakowska Konferencja Naukowo-Techniczna Przerobki Kopalin, 133-142(1993), in Polish.

54.J.Drzymala, T.D.Wheelock, Organic Thiols as Pyrite Depressants in Oil Agglomeration of Coal, Coal Preparation, 13, 53-62(1993).

55.J.Drzymala, Effect of Contact Angle on the Maximum Size of Floating Particles in a Monobubble Hallimond Tube, Proc.IV Intern.Conf. Mineral Processing, Assiut, Egypt, 1994.

56.J.Drzymala, T.D.Wheelock, Effect of Oxidation and Thioglycolic Acid on Separation of Coal Pyrite by Selective Oil Agglomeration, Coal Preparation, 14, 1-11(1994).

57.J.Drzymala, Hydrophobicity and Collectorless Flotation of Inorganic Materials, Advances in Colloid and Interface Sci., 50, 143-186(1994)

58.J.Drzymala, Characterization of Materials by Hallimond Tube Flotation. Part 1: Maximum Size of Entrained Particles, Int J Miner. Process., 42, 139-152(1994).

59.J.Drzymala, Characterization of Materials by Hallimond Tube Flotation. Part 2: Maximum Size of Floating Particles and Contact Angle, Int. J.Miner.Process., 42, 153-167(1994) and erratum 43, 1995, 135.

60. J.Drzymala, Separation of magnetite from synthetic mixtures with quartz by oil agglomeration, Prace Naukowe Instytutu Górnictwa Politechniki Wroc³awskiej 76, Studia i Materiały 24, 63-72 (1994).

61. J. Drzymala, Interaction of Particles during Oleate Flotation in a Mono-bubble Hallimond tube, Minerals Engineering, 8(9), 1023-34, 1995.

62. J.Drzymala, J. Bigosinski, Collectorless Flotation of Sulfides Occurring in the Fore-Sudetic Copper Minerals Deposit of SW Poland, Mineralogia Polonica, 26(1), 63-73, 1995.

63. J.Drzymala, T.D.Wheelock, Air Agglomeration of Hydrophobic Particles, in: Processing of Hydrophobic Minerals and Fine Coal, J.S.Laskowski and G.W.Poling Editors, Canadian Institute of Mining, Metallurgy and Petroleum, Montreal, Canada, 1995.

64. A.Luszczkiewicz, J.Drzymala, A.Grotowski, Problems of Separation of Copper and Lead Sulfides by Flotation, Rudy i Metale Niezelazne, 40(8), 315-318, 1995 (in Polish).

65. E.Mularczyk, J.Drzymala, Removal of Decomposition Products from Sodium Oleate, Industrial and Engineering Chemistry Research, 35, 788-791.

66. Difficulties in Separating Copper and Lead Sulfides by Xanthate Flotation: Negative Role of Contact of Particles in the Presence of Depressants, in: Changing Scopes in Mineral Processing, Kemal, Arslan, Akar and Canbazoglu (eds), Balkema, Rotterdam, 225-228, 1996.

67. J. Drzymala, T.D.Wheelock, Preliminary Characterisation of a Gas-Promoted Oil Agglomeration Process, Thirteenth Annual International Pittsburgh Coal Conference, Proceeding „Coal -Energy and the Environment, Shiao-Huang Chiang (Ed.), University of Pittsburgh, V.2, 898-903, 1996

68. J. Bigosinski, J. Drzymala, Microscopic Determination of Content of Chalcocite in Mixtures with Galena after Thermal Modification of Their Surfaces, Zeszyty Naukowe Politechniki Śląskiej (Poland), Seria Górnictwo, Z.231, 37-45, 1996.

69. J. Drzymala, The Importance of Contact Angle Equal to 90 Degrees in Interfacial Processes, Proc. International Conference on Analysis and Utilization of Oily Wastes, AUZO’96, Gdansk, Poland, 393-396, 1996

70. J. Drzymala, J. Lekki, Diagrams Containing Lines of Concentration of Bulk Species and Surface Sites for Selected Oxide-Water Systems, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej (Poland), 81, Studia i Materiały Nr 26, 61-69, 1996.

71. J. Drzymala, T.D. Wheelock, Air Promoted Oil Agglomeration of Moderately Hydrophobic Coals. 2. Effect of Air Dosage in a Model Mixing System, Coal Preparation, 18, 37-52, 1997.

72. J. Bogosinski, J. Drzymala, Barriers of Upgrading in Flotation Systems Containing Chalcocite and Galena, Gospodarka surowcami mineralnymi, 13, 9-20 (1997), in Polish

73. J. Drzymala et al., Thomas Alva Edison and his contribution to development of mineral processing, Prace Naukowe Instytutu Górnictwa Politechniki Wroclawskiej 85, Studia i Materialy 27, 13-20 (1998), in Polish

74. J. Pierzak, J. Drzymala., Allotropic form of elemental carbon, Prace Naukowe Instytutu Górnictwa Politechniki Wroclawskiej 85, Studia i Materia³y 27, 63-78 (1998), in Polish

75.J.Drzymala, Characterization of Materials by Hallimond Tube Flotation. Part 3: Maximum Size of Floating and Interacting Particles, Int J Miner. Process., 55, 203-218(1999).

76. J. Drzymala, Entrainment of particles with density between 1.01 and 1.10 g/cm3 in a monobubble Hallimond tube, Minerals Engineering, 12 (3), 329-331 (1999)

77. J. Drzymala, Flotometric hydrophilicity of coal particles, Mining Science and Technology, H.Xie, T.S.Golosinski (edytors), Proc.’99 Int. Symp. Mining and Technology, Beijing, China, Balkema, Rotterdam, 533-537(1999)

78. J. Drzymala, Z. Sadowski, L. Holysz E. Chibowski, Ice/water interface, zeta potential, point of zero charge, and hydrophobicity, J.Colloid Interface Sci., 220, 229-234 (1999)

79. J. Drzymala, V.Vigdergauz, Work and force of bubble-particle detachment as a measure of contact angle in flotation systems, Scientific Papers of the Institute of Mining Engineering, 87, „Studia i Materialy” Series, 28, 3-11(2000)

80. J. Drzymala, J. Kapusniak, P. Tomasik, Amino acid dextrins as selective depressants in flotation of chalcocite and galena, Physicochemical Problems of Mineral Processing (Fizykochemiczne Problemy Mineralurgii), 34, 101-110(2000)

81. J. Drzymala, J. Kapusniak, P. Tomasik, A method of production of copper concentrates rich in chalkozyn, Polish patent application, 2000

82.K. Pradel, J. Drzymala, Wyznaczanie hydrofobowości flotacyjnej minerałów w oparciu o probabilistyczne modele flotacji, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 88, Konferencje 25, 2000

83. J. Drzymała, V.Vigdergauz, 2000. Particle-bubble water contact angle based on flotation in a Hallimond tube, 13 IMPC, Rzym, Elsevier, B8a-79 - B8a-86

84.J. Drzymała, Foundations of Mineral Processing (Podstawy mineralurgii), Oficyna Wydawnicza Politechniki Wrocławskiej, 1 – 478, 2001, in Polish

85. J. Drzymała, Generating upgrading curves used for characterization separation processes - Generowanie krzywych wzbogacania stosowanych do charateryzowania procesów separacji, Inżynieria Mineralna - Journal of the Polish Mineral Engineering Society, II, 2(4), 35-40, 2001

86. Z. Konopacka, J. Drzymała, Generowanie krzywych klasyfikacji stosowanych do opisu procesów separacji, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 96, Konferencje 32, 25-43, 2002, in Polish

87. T. Ratajczak, J. Drzymała, Ewolucja hipotez mechanizmu flotacji solnej, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 96, Konferencje 32, 33-43, 2002, in Polish

88. J. Drzymala, Study of the ice-water interface, Encyclopedia of Surface and Colloid Science, 4892-4898, 2002, Arthur T. Hubbard (editor), Marcel Dekker, New York

89. J. Drzymała, A. Kozłowski, Wpływ czasu starzenia przemysłowego koncentratu miedzi z KGHM Polska Miedź S.A. na selektywność usuwania z niego minerałów ołowiu na drodze flotacji, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 101, Konferencje 35, 51-57, 2002

90. J. Drzymała, P. Tomasik, B. Sychowska, M. Sikora, Dextrins as selective flotation depressants for sulfide minerals, Fizykochemiczne Problemy Mineralurgii – Physicochemical Problems of Mineral Processing, 36, 273-278, 2002

91. J. Drzymala, Creation and catogerization of separation parameters – Tworzenie i kategoryzacja parametrów separacji, Inżynieria Mineralna - Journal of the Polish Mineral Engineering Society, III, 1(5), 11-19, 2002

92. J. Drzymała, A. Kozłowski, Wpływ czasu przechowywania rozdrobnionej rudy miedzi z Lubina na jej ksantogenianową flotację, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 102, Studia i Materiały 29, 39-44 (2002)

93. J. Drzymala, J. Kucal, A. Kozłowski, Flotacja rudy miedzi za pomocą kolektorów stosowanych jako promotory flotacji węgla, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 102, Studia i Materiały 29, 45-53, 2002

94. J. Drzymała, J. Kapuśniak, P. Tomasik, Removal of lead minerals from copper industrial flotation concentrates by xanthate flotation in the presence of dextrin, Int. J. Miner. Process., 70, 147-155, 2003

95. Drzymała, E. Mielczarski, J. Duval, J. Mielczarski, Hydrophobicity and flotation of quartz and feldspar in the presence of monoalkyl polyethylene glycol ethers, Proc. XXII Int.Min. Proc. Congr., Cape Town, South Africa, L.Lorenzen, D.J. Bradshow Eds., Document Transformation Technologies, 1094-1101, 2003

96. Hussin A.M. Ahmed, J. Drzymała, Creation, properties and possible utilization of microemulsions in mineral processing, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 103, Konferencje 36, 273-283, 2003

97. W. Apostoluk, J. Drzymala, An improved estimation of water-organic liquid interfacial tension based on linear solvation energy relationship approach, J. Colloid Interface Sci., 262, 483-488, 2003

98. T. Ratajczak, J. Drzymala, Flotacja solna, Oficyna Wydanicza Politechniki Wrocławskiej, 2003

99. J. Drzymała, Sorting as a procedure of evaluating and comparing separation results, Physicochemical Problems of Mineral Processing - Fizykochemiczne Problemy Mineralurgii , 37, 19-26, 2003

100. J. Drzymała, E. Hrycyna, Entrainment of particles in the Mechanobr laboratory flotation machine, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 106, Studia i materiały 30, 21-29, 2004

101. J. Drzymała, A. Kozłowski, Wpływ masy molowej polisacharydow zawierających mery D-glukozowe z wiązaniami glikozydowymi na selektywność odołowiania koncentratu miedzi, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 106, Studia i materiały 30, 31-43, 2004

102. H.A.M. Ahmed, J. Drzymala, Effect of flotation procedure and composition of reagents on yield of a difficult-to-float coal, Physicochemical Problems of Mineral Processing, 38, 53-63, 2004

103. J. Drzymala, Evaluation and comparison of separation performance for varying feed composition and scattered separation results, Int. J. Miner. Process., 75, 189-196, 2005

104. Drzymala, J., Ahmed, H.A.M., Mathematical equations for approximation of separation results using the Fuerstenau upgrading curves, Int. J. Miner. Process., 76, 55-65, 2005

105. Drzymala, J., T.D. Wheelock, Oil agglomeration of solid particles suspended in water by means of organic liquids, Proc. Conf .Oils and Enviroment, AUZO 2005, Gdańsk University of Technology, 98-

106. Ahmed, H.A.M., Drzymala, Jan., Two-dimensional fractal linearization of distribution curves, Physicochemical Problems of Mineral Processing, 39, 129-139, 2005

107. Drzymala, J., Gorke, J.T., Wheelock, T.D., A flotation collector for the separation of unburned carbon from fly ash, Coal Preparation, 25, 67-80, 2005

108.Ahmed, H. A.M., Drzymala, J., Direct material-reagent contact approach for upgrading difficult-to-float coals, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 110, Konferencje 42, 355-364, 2005

109. Drzymala, J., Derivation of a separation curve based on thermodynamic considerations and variation of splitting force, Prace Naukowe Instytutu Górnictwa Politechniki Wrocławskiej 31, Studia i materiały 113, 35-45, 2005

110. Drzymala, J., Structure of separation processes and ways of analysis of separation results, Inżynieria Mineralna - Journal of the Polish Mineral Engineering Society, VI, 2(15), 3-11, 2005

111. Kallay, N., Drzymala, J., Cop A., Electrical Charge at Ice Aqueous Electrolyte Interface, Encyclopedia of Surface and Colloid Science, 2nd ed., P. Somasundaran editor, pp. 1899 – 1907, 2006

112. Drzymała, J., Atlas of upgrading curves used in separation and mineral science and technology, Physicochemical Problems of Mineral Processing, 40, 19-29, 2006

113. Szyszka, D., Drzymala, J., Łuczyński, J., Wilk, K.A., Patkowski, J., Concentration of alfa-terpineol and (2-dodecanoyloxyethyl)trimethy-lammonium bromide required for prevention of air bubble coalescence in aqueous solutions, Physicochemical Problems of Mineral Processing, 40, 53-59, 2006

114. Trong Dang-Vu, Hupka, J., Drzymala, J., Impact of roughness on hydrophobicity of particles measured by the Washburn method, Physicochemical Problems of Mineral Processing, 40, 45-52, 2006

115. Luszczkiewicz, A., Konopacka, Ż., Drzymala, J., Flotacja czarnych łupków z Lubińskich rud miedzi, (Flotation of black shale from Lubin copper ore), BIOPROCOP ’06, Proceedings of conferemnce on Perspecitives for appying bioleaching technology to process shale-baering copper ores, Lubin, 19 June 2006, Poland, 29-47, 2006

116. J. Drzymala, E. Mielczarski, J. A. Mielczarski, Adsorption and flotation of hydrophilic materials in the presence of hydrocarbon polyethylene glycol ethers, Colloids and Surfaces, A., Physicochem. Eng. Aspects, 308, 2007, 111-117

117. J.Drzymała, D. Tyson, T.D.Wheelock, Presentation of particle beneficiation test results on an equal basis when yield and recovery are involved, Minerals and Metallurgical Processing, 24 (3), 2007, 145-151

118. J. Zawala, J. Drzymala, K. Malysa, Natural hydrophobicity and flotation of fluorite, Physicochemical Problems of Mineral Processing, 41, 5-11, 2007

119. J. Drzymała, Atlas of upgrading curves used in separation and mineral science and technology (Part II), Physicochemical Problems of Mineral Processing, 41, 27-35, 2007

120. J. Grodzka, J. Drzymala, A. Pomianowski, Surface material constants, in: SURUZ 2007, Surfactants and dispersed systems in theory and practice, International Scientific Conference, Ksiaz, Poland, K.A. Wilk (editor). Palmapress, Wroclaw, 2007, 505-508

121. J. Drzymala, J. Kapusniak, P. Tomasik, A method of production of copper concentrates rich in chalcocite, Polish Patent PL 195693 B1, 2007

122. J. Drzymala, Mineral Processing. Foundations of theory and practice of minerallurgy, Oficyna Wyd. PWr., Wroclaw, 2007, 507 pages, http://www.dbc.wroc.pl/dlibra/docmetadata?id=2070&from=publication

123. Jan Drzymała Atlas of upgrading curves used in separation and in mineral science and technology, Physicochemical Problems of Mineral Processing, 42 (2008) 75-84

124. J. Zawała, J. Drzymała, K. Malysa, An investigation into the mechanism of the three-phase contact formation at fluorite surface by colliding bubble, International Journal of Mineral Processing, 88(2008) 72-79

125. J.Grodzka, J. Drzymała, A. Pomianowski, Interfacial material constants for systems of fine sizes, Physicochemical Problems of Mineral Processing, 42 (2008) 237-250

126. D. Szyszka, E. Glapiak, J. Drzymała, Entrainment-flotation activity of quartz in the presence of selected frothers, Physicochemical Problems of Mineral Processing, 42 (2008) 85-90

127. D. Szyszka, J Drzymala, P. Resiak, E. Mielczarski, J. Mielczarski, Entrainment of quartz in flotation tests with frothers, XXIV IMPC, Beijing, China, 2008, v.1.1068-1073

128. B. Grabowski, J. Drzymala, 2008. Graphite flotation in the presence of sodium acetate, Annales Universitatis Mariae Curie-Sklodowksa - Lublin - Polonia, Vol. LXII, 6, Section AA, 58-72

129. Jan Drzymała, Janina Grodzka, Andrzej Pomianowski, Rapeseed oil as a collector in flotation of sulfide copper ore, in: Oils and Fuels for Sustainable Development, Chapter 26, 201-204, Gdańsk, 2008

130. Jan Drzymala, Janina Grodzka, Andrzej Pomianowski, Fizykochemiczna charakterystyka układów rozdrobnionych w mineralurgii i biologii, Wydawnictwo Politechniki Wrocławskiej, 1-131, 2008

131. W. Sawiński, T. Koźlecki, A. Sokołowski, I. Polowczyk, J. Drzymała, 2008. Flotation of bituminous coal using hydroxyazobenzene derivatives. Proc. 11th International Mineral Processing Symposium, Belek-Antalya, Turkey, 21-23 October 2008 , Gulhan Ozbayoglu Ed., Turkish Mining Development Foundation, 701-706

132. M. Brozek, J. Drzymala, Universal Delineation of Particle Separation Systems and Separation Results of Stratified Material, Separation Science and Technology, 44(8), 1657 – 1674, 2009

133. J. Drzymała, Principles of mineral processing, 2nd edition, 2009, e-book, http://www.dbc.wroc.pl/dlibra/docmetadata?id=3111&from=&dirids=1&ver_id=147180&lp=1&QI=306F0F122D3FD8E6D66C7B12481141C2-1 (in Polish)

134. J. Drzymała, D. Foszcz, A. Luszczkiewicz, 2009. Evaluation of industrial enrichment of ores, Cuprum 1-2(50-51), 75-90 (in Polish)

135. J. Drzymala, A. Luszczkiewicz, D. Foszcz, 2010, Application of upgrading curves for evaluation of past, present and future performance of a separation plant, Mineral Processing and Extractive Metallurgy Review, 31(3) 165-175

136. Z. Konopacka, J. Drzymala, 2010, Types of particles recovery—water recovery entrainment plots useful in flotation research, Adsorption, 16 (4), 313-320

137. J. Drzymala, P.B. Kowalczuk, 2010, Problems with statistical evaluation of separation results, Proc. XIIth International Mineral Processing Symposium, O.Y.Gulsoy, S.L. Ergun, N.M.Can, I.B.Celik editors, Min. Eng. Dep, Hacettepe Univ., Ankara, pp. 1191-1202

138. E. Szymkowiak, J. Drzymała, 2010. Problem with choosing an upgrading curve for evaluation of flotation results (in Polish), Prace Naukowe Instytutu Górnictwa, 131 (38), 47-56

139. J. Drzymała, M. Mikołajczyk, D. Piwowar, B. Polak, H. Drzymała, J. Ragiel, M. Drzymała-Tronina, 2010. Johann Wolfgang von Goethe and his input into development of mining and geology (in Polish), Prace Naukowe Instytutu Górnictwa, 131 (38), 35-46

140. M. Watanabe, P. B. Kowalczuk, J. Drzymala, 2011. Analytical solution of equation relating maximum size of floating particles and its hydrophobicity, Physicochemical Problems of Mineral Processing, 46, 13-20

141. P.B Kowalczuk, J. Drzymala, Contact angle of bubble with immersed-in-water particle of different materials, Industrial and Engineering Chemistry Research, 2011, 50(7), 4207-4211

142. P. B. Kowalczuk, O. Sahbaz, J. Drzymala, Maximum size of floating particles in different flotation cells, Minerals Engineering, 2011, 24(8), 766-771

143. D. Foszcz, J.Drzymala, Differentiation of organic carbon, copper and other metals contents by segregating flotation of final Polish industrial copper concentrates in the presence of dextrin, Physicochemical Problem of Mineral Processing, 47(2011), 17-26

144. M. Duchnowska, J. Drzymala, Transformation of equation y= a(100-x)/(a-x) for approximation of separation results plotted as Fuerstenau’s upgrading curve for application in other upgrading curves, Physicochemical Problem of Mineral Processing, 47(2011), 123-130

145. Jan Drzymala, Przemyslaw B. Kowalczuk, 2011, A proposition for symbolism of non-ideal separations followed by analytical separations used for evaluation of separation efficiency, Mineral Processing and Extractive Metallurgy Review, Processing and Extractive Metallurgy Review, 32, 278-288

146. M. Duchnowska, J. Drzymala, Wpływ jakości nadawy na jakaść produktów wzbogacania ocenianych za pomoca wykresu Fuerstenaua dla przypadku symetrycznej krzywej separacji, Gospodarka Surowcami Mineralnymi, 37(2), 2011, 33-41

147. J. Drzymala, A. Luszczkiewicz, Zalety krzywej uzysk-uzysk (Fuerstenaua) do technolo-gicznej analizy i oceny wzbogacania surowców, Przeglad Gorniczy, 2011, 7/8, 122-128

148. J. Drzymala, Dekstryny jako reagent flotacyjny segregujący polskie przemysłowe koncentraty miedziowe na dwa produkty o zróżnicowanej zawartości węgla organicznego, Przeglad Gorniczy, 2011, 7/8, 104-107

149. P. B. Kowalczuk, J. Drzymala, Surface flotation of particles on liquids. Principles and applications, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 393 (2012), 81-85

150. P. Kowalczuk, J. Drzymala, Letter to Editor on Detachment of coarse particles from oscillating bubblesThe effect of particle contact angle and medium viscosity” by D. Xu, I. Ametov and S.R. Grano (Int. J. Miner. Process. 101(1-4), 50-57, International Journals of Mineral Processing, 104-105(2012) 80-81

151. M. Duchnowska, J. Drzymala, 2012, Self-similarity of upgrading parameters used for evaluation of separation results, Int. J. Mineral. Processing, 106-109, 50-57

152. J. Drzymala, J. Lyklema, Surface tension of aquoeous electrolyte solutions. Thermodynamics, J. Phys Chem. A., 116(25), 6465-72, 2012

153. H.A.H.Ahmed, J. Drzymala, Upgrading difficult-to-float coal using microemulsion, Minerals and Metalurgical Processing, 29(2), 88-96, 2012

154. J. Drzymala, P.B.Kowalczuk, D. Foszcz, A. Muszer, T. Henc, A. Luszczkiewicz, Analysis of separation results by means of the grade-recovery Halbich upgrading curve, IMPC, New Delhi, 2012, paper 127

155. T. Ratajczak, J. Drzymala, Excess interfacial energy change of solid/aqueous salt solution system with increasing salt concentration at a constant charge-determining ion activity based on the Gibbs equation and ionic components of charge, Central European Journal of Chemistry, 10(6), 2012, 1927-1932

156. M.S. Aljuhani, H.A.M. Ahmed, J. Drzymała, 2012, Patent application, P401490, A method of upgradng of phosphate raw materials

157. A. Bakalarz, J. Drzymala, 2013, Interrelation of the Fuerstenau upgrading curve parameters with kinetics of separation, Physicochemical Problem of Mineral Processing, 49(2), 443-451

158. J.Drzymala, P.B.Kowalczuk, M.Oteng-Peprah, D.Foszcz, A.Muszer, T.Henc, A.Luszczkiewicz, 2013, Application of the grade-recovery curve in the batch flotation of Polish copper ore, Minerals Eng., 49, 17-23

159. H. A.M. Ahmed, M. S. Aljuhani, J. Drzymala, 2013. Flotation after direct contact of flotation reagents with particles. Part I. Model investigations, Physicochemical Problem of Mineral Processing, 49(2), 713-723

160. T.Chmielewski, J. Drzymała, A.Łuszczkiewicz, A. Trochimczuk, Z. Adamski. J. Wódka, P.B. Kowalczuk, K. Ochromowicz, K. Gibas, K.Borowski, A. Muszer, B. Woźniak, 2013. Sposób hydrometalurgicznego przerobu surowców polimetalicznych, Patent application P405901

161. H.A.M.Ahmed, M.S. Aljuhani, J.Drzymala, 2014, Flotation after a direct contact of flotation reagents with particles. Part II. Phosphate ore, Materials Testing for Mining, 56(2014), p.1-5

162. J. Drzymala, D.W. Fuerstenau, 2014. Selective flocculation of hematite in quartz –hematite-ferric ion-polyacrylic acid system. Part 2. Effect of grinding and a hydrofluoric treatment on selectivity of flocculation, 2014, Int. J. Min. Proc., 129, 1-5

163. P. B. Kowalczuk, B. Buluc, O. Sahbaz, J. Drzymała, 2014. In search of an efficient frother for pre-flotation of carbonaceous shale from the kupferschiefer stratiform copper ore, Physicochemical Problems of Mineral Processing, 50(2), 835-840

164. L. Lazarek, A. Antonczak, M. Wojcik, J. Drzymała, K. Abramski, 2014. Evaluation of the laser-induced breakdown spectroscopy technique for determination of the chemical composition of copper concentrates, Spectrochimica Acta. Part B, Atomic Spectroscopy. 1-9, 3 rys., 3 tab., bibliogr. 17 poz.

165. J. Drzymała, 2013. Separation in mineral processing - delineation, analysis and evaluation / Jan Drzymała. W: Separation science - theory and practice 2013 : proceedings of the 2nd International Conference on Methods and Materials for Separation Processes, 9-13 June 2013, Świeradów Zdrój, Poland / [eds. Anna Jakubiak-Marcinkowska, Andrzej W. Trochimczuk]. Wrocław : Oficyna Wydawnicza Politechniki Wrocławskiej, pp. 26-29

166. M. Peng, T. Ratajczak, J. Drzymała, 2014, Zeta potential of Polish copper-barring shale in the absence and presence of flotation frothers, Mining Science, 21, 57-63

167. K. Cependa, J. Drzymała, M.P. Lewicka, Gęstość łupka miedziowego, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 19-21

168. M. Stodulski, J. Drzymała, Densymetria łupka miedziowego, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 23-27

169. K.B. Kruszakin, J. Drzymała, Koagulacja łupka miedziowego, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014,29-32

170. P. Róg, J. Drzymała, Roztwarzanie łupka miedzionośnego w kwasach nieorganicznych, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 39-42

171. W. Karczmarz, J. Drzymała, Rozpad łupka miedziowego pod wpływem cieczy organicznych, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 43-46

172. K. Kącka, J. Drzymała, Odziaływanie łupka miedzionośnego z cieczą jonową, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 47-49

173. M. Peng, J. Drzymała, Dzeta potencjał łupka miedziowego w wodzie oraz w wodnych roztworach spieniaczy flotacyjnych, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 57-60

174. M. Peng, J. Drzymała, Porównywanie uzysków łupka miedzionośnego flotacyjnie separowanego z mieszaniny modelowej z kwarcem w obecności spieniaczy, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 71-75

175. J. Drzymała, Flotometryczna hydrofobowość łupka miedzionośnego, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 77-82

177. J. Cichański, J. Drzymała, Flotacja łupka miedziowego w obecności gamma-walerolaktonu jako spieniacza, in: Łupek miedzionośny, Drzymała J., Kowalczuk P.B. (red.), WGGG PWr, Wrocław, 2014, 99-102

178. Kowalczuk, P.B., Mroczko, D., Drzymala, J., 2015, Influence of frother type and dose on collectorless flotation of copper-bearing shale in a flotation column. Physicochem. Probl. Miner. Process. 51(2), 547–558.

179. Bakalarz, A., Duchnowska, M., Konieczny, A., Kasińska-Pilut, Pawlos, W., Kaleta, R., Kowalczuk, P.B., Drzymała, J., Łuszczkiewicz, A., 2015, Kinetics of laboratory flotation of copper ore from Polkowice Division of Concentrators after milling in the presence of grinding media with different chemical composition. CUPRUM–Czasopismo Naukowo-Techniczne Górnictwa Rud 2(75), 55–70 (in Polish).

180. Konieczny, A., Duchnowska, M., Kaleta, R., Pawlos, W., Kowalczuk, P.B., Krzemińska, M., Bakalarz, A., Kasińska-Pilut, E., Prędki, J., Łuszczkiewicz, A., Drzymała, J., 2015, Analysis of results of organic carbon separation from a copper ore by means of flotation with frothers. XIth International Conference on Non-Ferrous Ore Processing ICNOP'2015, Trzebieszowice, 27-29.05.2015, pp. 147–155 (in Polish).

181. Kowalczuk, P.B., Drzymala, J., 2016, Some remarks on attachment of a gas bubble to another phase both immersed in a water. Physicochem. Probl. Miner. Process. 52(1), 147–154.

182. Kowalczuk, P.B., Drzymala, J., 2015, Physical meaning of the Sauter mean diameter of spherical particulate matter. Part. Sci. Technol. (in press)

183. Janicki, M.J., Drzymala, J., Kowalczuk, P.B., 2016, Structure and surface energy of both fluorite halves after cleaving along selected crystallographic planes. Physicochem. Probl. Miner. Process. 52(1), 451–458.