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So that it could reach the standard of agricultural use (GB 4284—84) in B process. A demonstrate scale experiment was used for researching how to effectively removed heavy metal during adsorption process and optimized operational parameter in adsorption and biodegradation (AB) process. The results showed that the removal rate of Cu2+, Pb2+, Zn2+, Ni2+ can reach 90.3%, 91.1%, 86.2%, 89.5% respectively,...
In order to use biodegradable organics, produced from excess activated sludge (EAS) hydrolysis and acidification, as carbon source for nitrogen and phosphorus removal, chemical pretreatment by adding NaOH was used in this study to enhance the hydrolysis efficiency of the EAS. Batch experiments were conducted at ambient temperature, the effect of sludge characteristics, initial pH, and MLSS on the...
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