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1.
公开(公告)号:US11034932B2
公开(公告)日:2021-06-15
申请号:US15822280
申请日:2017-11-27
申请人: CHINA PETROLEUM & CHEMICAL CORPORATION , Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
发明人: Huijie Gao , Danfeng Sun , Zhihua Guo , Mingxiang Chen
IPC分类号: C12N1/20 , C02F3/30 , C12N1/38 , C02F101/16
摘要: The present invention relates to the field of biotechnology, and discloses a composition capable of promoting the growth of denitrifying microorganisms and uses thereof. The composition contains a glycolipid, an alditol, and a salt of organic acid, wherein the glycolipid is at least one of trehalose glycolipid, sophorolipid and rhamnolipid. The composition provided in the present invention can promote the growth of denitrifying microorganisms, and thereby improve the denitrification activity of the denitrifying microorganisms, promote a smooth denitrification process, and shorten the processing time.
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公开(公告)号:US10669168B2
公开(公告)日:2020-06-02
申请号:US15807252
申请日:2017-11-08
申请人: CHINA PETROLEUM & CHEMICAL CORPORATION , Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
发明人: Huijie Gao , Danfeng Sun , Zhihua Guo , Mingxiang Chen
IPC分类号: C02F1/44 , C02F1/58 , C02F5/00 , C02F9/00 , C02F1/469 , C02F1/72 , C02F1/52 , C02F101/12 , C02F103/36 , C02F3/34 , C02F1/04 , C02F3/12 , C02F1/22
摘要: The present invention relates to a method for zero-release treatment of brine waste water, comprising: (1) pretreatment; (2) reverse osmosis treatment; (3) advanced oxidation treatment; (4) biochemical treatment; (5) electrodialysis concentration; (6) circulating crystallization. Compared with the prior art, the method for zero-release treatment of brine waste water provided in the present invention realizes zero release or near zero release of waste water, improves salt recovery efficiency, can recover high-quality sodium sulfate, mirabilite and sodium chloride, and turns crystalline salts into a resource; the membrane treatment unit can operates stably in the process for a long operation period at a low cost, and the entire process has high economic efficiency.
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