Preparation method of forward osmosis emergency drinking water bag prepared based on layer-by-layer self-assembly method

Preparation method of forward osmosis emergency drinking water bag prepared based on layer-by-layer self-assembly method

The invention relates to a preparation method of a forward osmosis emergency drinking water bag prepared based on a layer-by-layer self-assembly method, wherein the drinking water bag is prepared by sealing two forward osmosis membranes, the water bag formed by the forward osmosis membranes is fille...

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Hauptverfasser: LIU LEI, YANG ZHAOXIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator LIU LEI
YANG ZHAOXIAN
description The invention relates to a preparation method of a forward osmosis emergency drinking water bag prepared based on a layer-by-layer self-assembly method, wherein the drinking water bag is prepared by sealing two forward osmosis membranes, the water bag formed by the forward osmosis membranes is filled with an absorbing liquid, the forward osmosis membrane is prepared by using a layer-by-layer self-assembly method, the outer side of the water bag is a forward osmosis membrane active layer, and the inner side of the water bag is a support layer, and inwards contacts the absorbing liquid. According to the present invention, the drinking water meeting the drinking standard is prepared only by using the driving force provided by the transmembrane osmotic pressure difference, such that the methodis energy-saving and economic, the water production is stable on the premise of the effective interception of organic pollutants and heavy metal ions, and the water flux can achieve 1.7-3.5 L/(m .h); and the method provides
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According to the present invention, the drinking water meeting the drinking standard is prepared only by using the driving force provided by the transmembrane osmotic pressure difference, such that the methodis energy-saving and economic, the water production is stable on the premise of the effective interception of organic pollutants and heavy metal ions, and the water flux can achieve 1.7-3.5 L/(m .h); and the method provides</description><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjcsKwjAQRbtxIeo_jB8QaCk-tlIUV-LCfZm2kxrMi0yg5u8NpR_g5j7gcu66-D4DeQwYlbNgKL7dAE6CdGHCkCMbx4qBDIWRbJ9gCMp-lB1hwkgBOhzBzwgacuGsGaQxURBdEnMAJi0FMpPpdFpetsVKombaLb4p9rfrq7kL8q4l9tiTpdg2j6oqD8e6PJ8u9T-bHwf-RrI</recordid><startdate>20191213</startdate><enddate>20191213</enddate><creator>LIU LEI</creator><creator>YANG ZHAOXIAN</creator><scope>EVB</scope></search><sort><creationdate>20191213</creationdate><title>Preparation method of forward osmosis emergency drinking water bag prepared based on layer-by-layer self-assembly method</title><author>LIU LEI ; YANG ZHAOXIAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN110563087A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>LIU LEI</creatorcontrib><creatorcontrib>YANG ZHAOXIAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIU LEI</au><au>YANG ZHAOXIAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Preparation method of forward osmosis emergency drinking water bag prepared based on layer-by-layer self-assembly method</title><date>2019-12-13</date><risdate>2019</risdate><abstract>The invention relates to a preparation method of a forward osmosis emergency drinking water bag prepared based on a layer-by-layer self-assembly method, wherein the drinking water bag is prepared by sealing two forward osmosis membranes, the water bag formed by the forward osmosis membranes is filled with an absorbing liquid, the forward osmosis membrane is prepared by using a layer-by-layer self-assembly method, the outer side of the water bag is a forward osmosis membrane active layer, and the inner side of the water bag is a support layer, and inwards contacts the absorbing liquid. 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subjects CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Preparation method of forward osmosis emergency drinking water bag prepared based on layer-by-layer self-assembly method
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