Table of contents : Chemistry for Protection of the Environment......Page 4 Copyright Page......Page 5 Contents......Page 10 Foreword......Page 16 CHAPTER I. POLLUTANTS IN THE ENVIRONMENT: GENERAL ASPECTS......Page 18 TECHNOLOGY AND THE ENVIRONMENT: ALLIES OR ANTAGONISTS?......Page 20 THE STATE OF THE ENVIRONMENT REPORT OF UNEP......Page 48 A DIFFERENT APPRECIATION: WATER QUALITY AND TREATMENT IN DEVELOPING COUNTRIES......Page 62 CHEMICAL POLLUTION IN KOREA AN EXPERIENCE OF THE DEVELOPING COUNTRIES......Page 80 CHAPTER II. POLLUTANTS IN THE ENVIRONMENT: IMPACT AND CONTROL......Page 92 ECOLOGICAL EFFECTS OF INDUSTRIAL POLLUTANTS AND THEIR EFFECT ON CULTIVATED PLANTS......Page 94 MONITORING AND QUALITY ASSURANCE FOR HAZARDOUS WASTE SITE ASSESSMENT......Page 108 CATCHMENT QUALITY CONTROL......Page 124 TRANSPORT PROCESSES OF NAPHTHALENE IN THE AQUATIC ENVIRONMENT......Page 134 INTERLABORATORY COMPARISON OF QUANTIFICATION OF PAH IN ATMOSPHERIC AEROSOLS BY GAS AND LIQUID CHROMATOGRAPHIES AND BY SHPOL’SKII FLUOROMETRY......Page 148 COMPARISON OF ION-SELECTIVE ELECTRODE AND GAS-SENSING ELECTRODE TECHNIQUES FOR MEASUREMENT OF NITRATE IN ENVIRONMENTAL SAMPLES......Page 158 STUDY OF MOLECULAR DIFFUSIVITY INFLUENCE ON MASS TRANSFER RATE AT A WATER - ATMOSPHERE INTERFACE......Page 170 ABUNDANCE OF NONIONIC SURFACTANTS IN ISRAEL MUNICIPAL SEWAGE......Page 176 CHAPTER III. PHYSICO-CHEMICAL TREATMENT OF SUSPENSIONS......Page 182 INTERACTION OF TEMPERATURE, ALKALINITY AND ALUM DOSE BY COAGULATION OF HUMIC WATER......Page 184 MAGNETIC MICROPARTICLES FOR TREATMENT OF NATURAL WATERS AND WASTEWATERS......Page 194 BITTERNS AS COAGULANTS FOR TREATMENT OF COLOR EFFLUENTS......Page 208 WATER TREATMENT BY COAGULATION-ADSORPTION WITH DOLOMITE......Page 220 PRIMARY FLOCCULATION OF WASTEWATER WITH Al2, (SO4)2 AND NaAlO2 SALTS RECUPERATED FROM SPENT ALUMINIUM ANODISING BATHS......Page 228 FLOC STRENGTH MEASUREMENTS GIVING EXPERIMENTAL SUPPORT FOR A FOUR LEVEL HYDROXYDE FLOC STRUCTURE......Page 236 MEASUREMENT OF THE CHARGE DENSITY OF POLYELECTROLYTES BY A DIFFERENTIAL CONDUCTOMETRIC METHOD......Page 250 THE INVESTIGATION OF APPLICATION OF DISSOLVED AIR PRECIPITATE FLOTATION IN THE ABSENCE OF COLLECTOR AND FROTHER FOR THE PURIFICATION OF WASTEWATER CONTAINING METALIONS......Page 260 HOT WATER PROCESSING OF U.S. TAR SANDS-WATER RECYCLE AND TAILINGS DISPOSAL......Page 268 THE ROLE OF DILUENT IN OILY WATER TREATMENT IN BED COALESCERS......Page 284 SATURATION PROFILES IN COALESCENCE BED......Page 300 CHAPTER IV. PHYSICO-CHEMICAL TREATMENT: ADSORPTION......Page 310 THEORETICAL FOUNDATIONS OF SOLUTE ADSORPTION FROM DILUTE SOLUTIONS ON SOLIDS......Page 312 SPECIFIC ADSORFTION OF ORGANIC MICROPOLLUTANTS ONTO ACTIVATED CARBON: A STUDY OF ELECTROKINETIC PHENOMENA DUE TO MULTICOMPONENT SYSTEMS......Page 328 FURTHER STUDIES ON THE USE OF CHEMICALS TO REGENERATE EXCHAUSED ACTIVATED CARBON......Page 344 ON UNIT PROCESSES DURING INFILTRATION......Page 358 CHAPTER V. PHYSICO-CHEMICAL TREATMENT: ION EXCHANGE......Page 366 NEW FIBROUS ION EXCHANGERS FOR PURIFICATION OF LIQUIDS AND GASES......Page 368 SELECTIVE COLLECTION OF SELENIUM (IV) FROM ENVIRONMENTAL WATER BY FUNCTIONALIZED ION-EXCHANGE RESIN......Page 380 REMOVAL OF ARSENIC FROM NATURAL WATERS......Page 388 PRECONCENTRATION AND SEPARATION OF Cr(III) AND Cr (VI) FROM AQUEOUS SOLUTIONS BY COMPLEX FORMATION-ION EXCHANGE......Page 396 THE USABILITY OF POLYSULFONE MEMBRANES FOR REMOVAL OF ORGANIC DYES FROM AQUEOUS SOLUTIONS......Page 402 CHAPTER VI. PHYSICO-CHEMICAL TREA TMENT: OXIDATION......Page 412 INTENSIFICATION OF THE OXYGENATION PROCESS WITH THE USE OF POLYMERIC DIFFUSERS......Page 414 OXIDATION AND COAGULATION OF WASTEWATER EFFLUENT UTILIZING FERRATE (VI) ION......Page 422 THERMODYNAMIC CRITERIA FOR THE OPTIMIZATION OF IRON AND MANGANESE REMOVALS IN EXPERIMENTAL PROCEDURES......Page 436 IDENTIFICATION OF TIN FROM TIN-SMELTING REFRACTORY-WASTE AFTER ALKALINE SOLVATION......Page 442 THE TREATMENT DETERGENTS IN INDUSTRIAL WASTEWATERS ON A PILOT-PLANT SCALE BY CATALYTIC OXIDATION......Page 452 ENHANCEMENT OF NITROGEN OXIDES ABSORPTION FROM WASTE GASES USING OZONE......Page 460 ELECTROCHEMICAL OXIDATION OF ROKAPHENOL N-6 A FLOW ELECTROLYZER......Page 466 REMOVAL OF POLLUTANTS FROM THE AQUATIC ENVIRONMENT BY PHOTOOXIDATION......Page 472 MODELING OF IMMERGED FILTERS IN THE CASE OF AERATED FILTERS......Page 478 CHAPTER VII. RECYCLING OF WASTE MATERLALS AND POLLUTION FREE TECHNOLOGIES......Page 498 WASTE-FREE METHOD OF CADMIUM CARBONATE PRODUCTION......Page 500 RECLAMATION OF CHROMIUM FROM WASTES......Page 506 APPLICATIONS OF SELECTIVE ION EXCHANGE TO RECOVER MgNH,PO, FROM SEWAGE......Page 528 REMOVAL OF SILVER FROM PHOTOGRAPHIC SOLUTIONS......Page 540 CHAPTER VIII. PHYSICO-CHEMICAL ASPECTS OF BIOLOGICAL TREATMENT......Page 550 MICROBIAL SULPHATE REDUCTION......Page 552 EFFECT OF SOME PHYSICAL PARAMETERS ON COMPOSITING RATE AND YIELD......Page 568 TREATMENT OF HIGH STRENGTH WASTEWATERS BY AN ANAEROBIC FLUIDISED BED PROCESS......Page 574 A RESPIROMETRIC STUDY OF THE INFLUENCE OF ALIPHATIC ALCOHOLS ON ACTIVATED SLUDGES......Page 584 CHAPTER IX. AIR POLLUTION......Page 598 AIRBORNE POLLUTION PROBLEMS IN SANTIAGO, CHILE......Page 600 FLUE GAS DESULPHURISATION USING LIME WASTE......Page 604 DESULPHURIZATION OF GAS BY SORPTION OF SO2 ON CUPRIC OXIDE DEPOSITED ON ALUMINA PARTICLES IN A FLUIDIZED BED REACTOR......Page 612 NITROGEN OXIDES EMMISION CONTROL CDL/VITOK ENHANCED ABSORPTION PROCESS......Page 620 CHAPTER X. PANEL DISCUSSION......Page 628 POSSIBLE DIRECTION OF RESEARCH AND DEVELOPMENT RELATING TO CHEMISTRY FOR THE PROTECTION OF THE ENVIRONMENT......Page 630 Author Index......Page 636 Subject Index......Page 638