发明名称 |
PERFEZIONAMENTO NEI PROCEDIMENTI DI RIMOZIONE DEI FOSFATI DA ACQUE DI RIFIUTO CON FABBISOGNO BIOLOGICO DI OSSIGENO BOD |
摘要 |
<p>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.</p> |
申请公布号 |
IT1066302(B) |
申请公布日期 |
1985.03.04 |
申请号 |
IT19760051915 |
申请日期 |
1976.10.27 |
申请人 |
UNION CARBIDE CORPORATION |
发明人 |
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分类号 |
C02F3/30;C02F3/12;C02F3/26;(IPC1-7):C02F/ |
主分类号 |
C02F3/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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