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Improvement in the treatment process of water discharge with activated sludge to remove phosphate from water containing BOD discharge
Improvement in the treatment process of water discharge with activated sludge to remove phosphate from water containing BOD discharge
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机译:改进活性污泥废水处理工艺以去除含BOD废水中的磷酸盐
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摘要
Activated sludge wastewater treatment process for removing phosphate from BOD-containing wastewater in which phosphate-enriched sludge formed in the aeration zone is settled in a phosphate stripping zone under anaerobic conditions to cause release of phosphate from the sludge solids. The released phosphate is countercurrently stripped from the sludge in the stripping zone by a low phosphate, low solids stripping medium to provide phosphate-lower sludge for recirculation to the aeration zone.
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