Role of Interfaces in Environmental ProtectionSandor Barany The NATO Advanced Research Workshop "Role of Interfaces in Environmental Protection" has been held on May 27-30, 2002 in Miskolc, Hungary, under leadership of co-directors Prof Sandor Barany from the University ofMiskolc, Hungary, and Prof Nataliya Klymenko, National Academy of Sciences of Ukraine. The objective of the ARW was to highlight colloidal and biocolloidal aspects of environmental pollution and technologies to monitor, remediate, abate and prevent pollution. It is known that the solution of majority of environmental problems is closely connected with phenomena at the interfaces. The behaviour, transport of dispersed particles in the environment, the main phase separation methods in water treatment, purification of liquids, aerosols removal, many soil remediation processes as well as the methods of protection of human organisms from hazardous matters, are based on concepts of colloid chemistry, i.e. properties of interfaces and their behaviour in different media. Examples of these methods are: filtration, ultrafiltration, flotation, coagulation, hetero-coagulation and flocculation, adsorption, adhesion of micro-organisms to surfaces, membrane separation methods, etc. A very important and special aspect of the topic is the human protection using colloid-chemical approaches, i.e. the adsorption, aggregation and adagulation properties of differe~t materials. Examples are: adsorption of hazardous organic materials, drugs, heavy· metals and radionuclides on activated carbon, silica, cellulose derivatives, etc. |
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Page v
... Chemistry and Collisions in Natural and Technological Aquatic Environments 41 3 . Luis Cumbal , Arup K. SenGupta , John ... Chemical and Radionuclide Compositions 145 M.S. Bazylevska , V.I. Bogillo : Description of air / surface ...
... Chemistry and Collisions in Natural and Technological Aquatic Environments 41 3 . Luis Cumbal , Arup K. SenGupta , John ... Chemical and Radionuclide Compositions 145 M.S. Bazylevska , V.I. Bogillo : Description of air / surface ...
Page vii
... chemical Background of the Foaming Protein Separation for Waste Minimization 507 K. Musabekov , S. Aidarova , E. Achmetov , B. Salbu , M. Saunders : Fixation of Radionuclides in Soils Using Polycomplexes 521 G.N. Nikovskaya , T.G. ...
... chemical Background of the Foaming Protein Separation for Waste Minimization 507 K. Musabekov , S. Aidarova , E. Achmetov , B. Salbu , M. Saunders : Fixation of Radionuclides in Soils Using Polycomplexes 521 G.N. Nikovskaya , T.G. ...
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Page xii
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activated carbon adsorbed adsorption adsorption isotherms aggregation amount bacteria biomass biosorption brush calculated cations cell characterized Chem chemical Chemistry chromium clay minerals coagulation Colloid Interface Sci complex compounds concentration constant contact angle contaminated copolymer curve cyanide decrease density determined diatomaceous earth dispersion effect efficiency electrolyte electrostatic energy equation equilibrium experimental Figure films filter filtration flotation function groups hematite HNO3 humic acid hydrophobic increase initial inorganic interaction ion-exchange ionic strength ions isomers kaolinite kinetics Langmuir layer liquid macromolecules materials measured membrane metal oxide method mg/l microgel particles microporous molecular molecules montmorillonite nanoparticles nitrogen Norit obtained organic parameters pH values phase pollutants polyelectrolyte polymer polymeric pore porous potential pptv properties protein proton radionuclides reaction removal samples silica gels soil solid sorbents sorption structure studied surface area surface charge surfactant suspensions Table Technology temperature TiO2 treatment Ukraine zeolite zeta potential