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The river watershed is one of the main drinking water resources. In addition it provides many recreational usages. Knowledge about the composition of waste water is of paramount importance viewing the fact that these wastes are generally discharged into the rivers. Algae which thrive well in wastes not only reduce the pollution potential of the waste water by cleaning nutrients but also constitute...
Up to now, there is no effective industrial treatment method for waste emulsion generated in copper processing industry. The process of demulsification - membrane concentration - filtration - activated carbon adsorption technology and demulsification - membrane concentration - filtration - micro-filtration - reverse osmosis are adopted for treatment of waste emulsion. The results of laboratory tests...
O-nitrobenzaldehyde (ONBA) manufacturing wastewater not only contains significant amount of oil-like substance, but also high salinity, total nitrogen (TN) content and concentration of dissolved organics resulting in high COD load. Oil-like substance could be removed from the wastewater by physical methods. However, dissolved COD compounds and TN could only be removed by biological or chemical treatments...
This paper uses the closed circulatory coal gas of coking plant to replace water vapour of the traditional ammonia stripping method to treat coking wastewater containing ammonia. The removing rate of NH3-N is 99.57% in the intermittent experimentation, the target of NH3-N can reach the national discharging second standard. On the basis of this, by simulating industrialization continuous experimentation,...
The purpose of this study was to choose a fine chemical to efficiently remove ammonia nitrogen from the ammonia water in AS Process, which provides a new available approach to treat coking wastewater. The experiment adopted "Air Stripping and Adsorption" to remove ammonia nitrogen from the ammonia water, and studied the reaction temperature T, pH, the time of stripping t, the dosage of the...
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