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Biological tower,namely,tower biological filter,is the third sewage treatment operation for biological filter,belong to aerobic diposal way.it is entitled with following properties,highly in both waterpower load and organic load,endure upper impact load,adopting aeration naturally,saving the consuming of supply oxygen.occupy small space,management expediently.operation expanse low, comparing with active sludge,produce litte sludge and so on .
Improvement greatly in filteration materials in r...
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Process introduction
At present, urban waste treatment is mostly used in the form of sanitary landfill and waste incineration. However, the water in the landfill leachate of the urban waste incineration plant and the waste water generated by waste degradation are much lower than the landfill seepage from most of the natural precipitation. The filtrate has higher indicators of organic matter, salts, heavy metals and other pollutants, making it more difficult to process.
At present, the tech...
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