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Patent Searching and Data


Title:
WASTEWATER TREATMENT METHOD, WASTEWATER TREATMENT SYSTEM, MOLECULAR SIEVE MANUFACTURING METHOD AND MANUFACTURING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/071116
Kind Code:
A1
Abstract:
A wastewater treatment method comprises: performing an electrodialysis process on wastewater to obtain a diluted solution containing a decreased amount of ammonium ions and an alkaline solution containing organic ammonium ions. Electrodialysis equipment employed in the electrodialysis process comprises at least one membrane unit. At least a part of the membrane unit comprises an anion exchange membrane (1). The recycled alkaline solution and the obtained diluted solution can be recycled for subsequent use. Also disclosed are a wastewater treatment system, molecular sieve manufacturing method and manufacturing system.

Inventors:
LIU ZHONGQING (CN)
LUO YIBIN (CN)
ZHOU LINA (CN)
SHU XINGTIAN (CN)
Application Number:
PCT/CN2016/000593
Publication Date:
May 04, 2017
Filing Date:
October 28, 2016
Export Citation:
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Assignee:
CHINA PETROLEUM & CHEM CORP (CN)
RES INST PETROLEUM PROCESSING SINOPEC (CN)
International Classes:
C02F1/469; C01B39/04; C01B39/08; C02F9/06
Foreign References:
CN105540943A2016-05-04
CN105540944A2016-05-04
CN105540945A2016-05-04
CN105540743A2016-05-04
CN105540762A2016-05-04
CN104030499A2014-09-10
CN104370293A2015-02-25
CN103771434A2014-05-07
CN103771436A2014-05-07
JP2006212526A2006-08-17
Other References:
See also references of EP 3369710A4
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD (CN)
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