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Removal of boron from saline water using alkalized NF membrane pretreatment

机译：使用碱化NF膜预处理去除盐水中的硼

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摘要

The removal of boron from saline water based (10) using alkalized NF membrane pretreatment (14) can be adopted at 90% recovery and pH 8-9.5 to produce softened and alkalized NF permeate having SDI1 with significant reduction in feed boron, TDS and scale-forming ions depending on the properties of the NF membrane polymer structure. NF process (14) acts as a partial desalination process, a softening process, as well as a boron removal process. An additional RO membrane alkalization (16) can be adopted at a wide range of RO feed at pH 8.5-10, resulting in production of desalinated water (18) with almost nil boron content.

机译：可采用碱化NF膜预处理（ 14 ）从盐水（ 10 ）中去除硼，回收率为90％，pH为8-9.5，从而产生软化和碱化SDI <1的NF渗透物，根据NF膜聚合物结构的性质，进料硼，TDS和结垢离子显着减少。 NF过程（ 14 ）充当部分淡化过程，软化过程以及除硼过程。在pH值为8.5-10的各种反渗透进料中，可以采用附加的反渗透膜碱化（ 16 ），从而生产出几乎为零的淡化水（ 18 ）硼含量。 展开▼

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公开/公告号US9090491B2

专利类型

公开/公告日2015-07-28

原文格式PDF

申请/专利权人 ABOU ELFETOUH ZAKI ABD ELLATIF;
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申请/专利号US201214342371

发明设计人 ABOU ELFETOUH ZAKI ABD ELLATIF;
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申请日2012-02-02

分类号B01D61/04;C02F1/44;B01D61/02;C02F1/66;C02F101/10;C02F103/08;C02F1/00;C02F1/52;C02F5/00;

国家 US

入库时间 2022-08-21 15:19:24

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