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The main subject of the Workshop was the new developments about the cost effective treatment techniques for better removal efftciencies and dis cussion of policies for pollution control. Although effluent water quality requirements differ from one country to another, their application will be an efficient mean for water pollution control. Specific promotion should be provided for polluters to meet the effluent water quality requirements. Results of pilot scale studies demonstrate the applicability of and ad vantages of sequenching batch reactor technology for pretreatment of in dustrial wastewaters Fixed film biological reactors offer the possibility to enrich slow growing specialized microorganisms by developing biofilms on support materials. Physical chemical processes are used for the treatment of unusual and difficult industrial wastewaters and membrane technologies for the con centration and recovery of raw materials and by-products, in industries where the conventional treatment technologies are inappropriate or uneco nomic~ Physical chemical processes give higher efficiencies when polymers are applied but the composition of these long chain chemicals is an im portant consideration; Most developing countries suffer from severe environmental problems and shortage of energy and resources. These countries urgently need simple, inexpensive and integrated environmental protection system, which combine wastewater treatment with recovery and reuse. Anaerobic treatment offer many advantages in this respect. Because recovery of substances from wastes serves twofold purpose of recyle and pollution control, it must be applied where possible.
Sommario
Effluent Water Quality Requirements.- Pretreatment of Industrial Wastewater.- Biofilm Reactors for Final Treatment of Industrial Wastewater.- Application of Modern High Rate Anaerobic Treatment Processes for Wastewater Treatment.- Papermills Effluent Treatment up to Closed Water Systems.- A Laboratory Study of Biological Treatment of Industrial Wastewaters Containing High Sulfides.- Polymer Application Examples in Industrial Wastewater Treatment.- Sequenching Batch Reactor Technology for Biological Treatment of Industrial Wastewaters.- Cost Effective Treatment of Textile Mill Effluents by Water Reuse.- Modern Methods for Wastewater Analysis.- Physical Chemical Treatment of Industrial Wastewaters.- Oil-Water Separations: Oil Recovery and Oily Wastewater Treatment.- Recovery of Polyvinyl Alcohol from Textile Wastewaters: A Case Study.- Evaluation of a Magnetite-Based Adsorption Process for the Recovery of Metals from Industrial Wastewaters.- Differential Precipitation Applications for Metals Separation and Recovery.- State of the Art Regarding Industrial Wastewater in Denmark: Emissions, Toxicity and Wastewater Treatment.- List of Key Speakers.
Riassunto
Proceedings of the NATO Advanced Research Workshop, Izmir, Turkey, October 29-November 5, 1989
