Cai-Di Qiu

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Activated sludge, as the adsorbent of humid acid in solution, was considered as an environment-friendly material. The effects of three categories of metal ions on sorption of humic acid by activated sludge were studied. The results indicated that the salts (Na+), hardness (Ca2+ , Mg2+) and hydrolyzing metal (Al3+, Fe3+) ions were able to increase the(More)
In order to speed up rural domestic refuse resources utilization, intermittent aeration and continuous aeration were applied to treat rural domestic refuse after anaerobic fermentation. Three kinds of refuse were selected on base of fermentative age, i.e. three months, five months and seven months. Results showed that aeration could remove water and organic(More)
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