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In order to fully explore and comprehensive utilization the resource of Dictyoploca japonica, the pupa protein was extracted form pupa of Dictyoploca japonica by sodium hydroxide in this study. The pH of the solubility of protein had been determined. The best condition of extracting pupa protein: the concentration of NaOH is 1.5%, with the temperature 70??, the time 3 h and the pupa powder should...
The effects of pH on the hydrolysis and acidification from WAS in mesophilic and thermophilic anaerobic fermentation was investigated in this study. Both the mesophilic and thermophilic waste activated sludge (WAS) hydrolysis were improved significantly at alkaline pHs than at other pHs. Themophilic conditions improved the WAS hydrolysis compared to that mesophilic ones. The accumulation of short-chain...
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,...
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