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W pracy scharakteryzowano metody neutralizacji odcieków ze składowisk odpadów komunalnych, takie jak recyrkulacja odcieków na składowisku, odprowadzanie do kanalizacji miejskiej, oczyszczanie metodami chemicznymi oraz biologicznymi w warunkach tlenowych, beztlenowych i tlenowo-beztlenowych, a także rozwiązania hybrydowe.
In this article, removal efficiencies of BOD and COD of landfill leachate was investigated using supercritical water oxidation (SCWO) process. Under different circumstances -high pressure, high temperature, wet air oxidation (WAO), sub-critical water and SCWO- experimental results were obtained. Organic compounds were almost completely removed when the pressure was above 30 Mpa, and temperature was...
Three kinds of electrochemical methods, electro-flocculation, indirect electro-oxidation and electro-Fenton were examined as pre-treatment processes for fresh dyestuff wastewater with high salinity and non-biodegradable organic concentration. The efficiency of each technique was evaluated according to the reduction levels of COD and toxicity, as well as biodegradability improvement. The results indicate...
The ozonation of synthetic wastewater containing Bomaplex Red CR-L dye has been realized in a semi-batch reactor. In this study, the dye and COD removal from synthetic textile wastewater has been studied by ozonation as functions of initial dye concentration (400, 600, 800 and 1000mgL −1 ), temperature (18, 40 and 70°C), ozone–air flow rate (5, 10 and 15Lmin −1 ), pH (3, 6, 9.3 and...
This study was designed to use both artificial and real textile secondary effluents to evaluate (1) the COD and color removal efficiencies for ferrous coagulation and Fenton's coagulation, and (2) the feasibility of using hydrogen peroxide to improve ferrous coagulation to meet more stringent effluent standards. The results indicate that the optimum pHs for both ferrous coagulation and Fenton's preoxidation...
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