Title:
WASTEWATER TREATMENT APPARATUS AND TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2022/160482
Kind Code:
A1
Abstract:
A wastewater treatment apparatus and a wastewater treatment method. The wastewater treatment apparatus comprises: a microfiltration unit (11) configured to receive wastewater and filter the wastewater to obtain a solution; a membrane salt separation unit (12) configured to receive the solution and separate monovalent ions and ions having two or more valences in the solution to obtain a first solution containing the monovalent ions and a second solution containing the ions having two or more valences; a first evaporative crystallization unit (13) configured to perform crystallization treatment on the first solution to form a monovalent salt; and a second evaporative crystallization unit (14) configured to perform crystallization treatment on the second solution to form carnallite, wherein the microfiltration unit (11) is connected to the membrane salt separation unit (12), and the first evaporative crystallization unit (13) and the second evaporative crystallization unit (14) are both directly connected to the membrane salt separation unit (12). By means of the wastewater treatment apparatus, standard discharge of wastewater can be realized.
Inventors:
HU YIPENG (CN)
ZHANG BIN (CN)
DENG RUWEI (CN)
LIANG RENGANG (CN)
ZHANG BIN (CN)
DENG RUWEI (CN)
LIANG RENGANG (CN)
Application Number:
PCT/CN2021/088994
Publication Date:
August 04, 2022
Filing Date:
April 22, 2021
Export Citation:
Assignee:
JEREH ENVIRONMENTAL PROTECTION TECH CO LTD (CN)
International Classes:
C02F9/10; C02F5/02; C02F101/10; C02F101/12; C02F103/10
Foreign References:
| CN107915360A | 2018-04-17 | |||
| CN106430771A | 2017-02-22 | |||
| CN207330611U | 2018-05-08 | |||
| CN109081488A | 2018-12-25 | |||
| GB2395946B | 2006-01-18 |
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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