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Seawater desalination system for removing boron by using electrodeionization

An electrodeionization and desalination system technology, applied in the field of seawater desalination, can solve the problems of large area occupied by seawater desalination boron removal process, complex operation and maintenance of equipment, and high operating costs, so as to reduce energy consumption, chemical consumption and operating costs, and save The process occupies an area and the effect of simplifying operation and maintenance

Inactive Publication Date: 2012-09-26
NANCHANG UNIV
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  • Abstract
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Problems solved by technology

However, the seawater desalination and boron removal process of the existing reverse osmosis combined technology has disadvantages such as large area occupation, high energy consumption and chemical consumption, complex operation and maintenance of equipment, and high operating costs.

Method used

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  • Seawater desalination system for removing boron by using electrodeionization
  • Seawater desalination system for removing boron by using electrodeionization

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Embodiment Construction

[0011] Such as figure 1 As shown, the present invention is achieved in this way, a seawater desalination system using electrodeionization to remove boron, which includes a water delivery pipe 12, a seawater pretreatment system 20, a seawater reverse osmosis desalination desalination desalination system 21, an electrodeionization desalination system Boron removal system 13 , seawater advanced treatment system 23 , seawater pretreatment system 20 , seawater reverse osmosis desalination desalination desalination system 21 , electrodeionization desalination desalination system 13 and seawater advanced treatment system 23 are connected in series on water pipe 12 in sequence. The seawater pretreatment system 20: it is composed of a raw water tank 1, a filter 24, a submersible pump 2, a mechanical filter 3, an active carbon filter 4, a security filter 5, and a pressure storage tank 6. The raw water tank 1 is provided with The filter 24 is used to initially flow the sediment, suspende...

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Abstract

The invention relates to a seawater desalination system for removing boron by using electrodeionization, comprising a water pipe, a seawater pretreatment system, a seawater reverse osmosis desalting and boron-removing desalination system, an electrodeionization boron-removing desalination system and a seawater deep treatment system, wherein the seawater pretreatment system, the seawater reverse osmosis desalting and boron-removing desalination system, the electrodeionization boron-removing desalination system and the seawater deep treatment system are sequentially connected in series to the water pipe. The seawater desalination system is characterized in that a reverse osmosis technology and an electrodeionization technology are jointly used to remove boron in seawater with high efficiency and low consumption; with the adoption of the technologies, more than 99% of salt and more than 92% of boron in the seawater can be removed, so that produced water reaches Sanitary Standard for Drinking Water (GB5749-2006). The seawater desalination system for removing boron by using the electrodeionization has the advantages of small space occupation, low energy and agent consumption, low operation cost, safety and reliability for equipment operation and simplicity in maintenance.

Description

technical field [0001] The invention relates to the field of seawater desalination, in particular to a seawater desalination system using electrodeionization to remove boron. Background technique [0002] In the 21st century, water shortage has become a problem of sustainable social development faced by the whole world. Water resources are becoming a precious and scarce resource. The issue of water resources is not only a resource issue, but also a major strategic issue related to national economic and social sustainable development and long-term stability. Known as the "water polo", 70% of the earth's surface area is covered by oceans. Compared with the shortage of fresh water, seawater is almost an "inexhaustible" natural resource. 70% of the world's population lives within 120km of the sea. If seawater can be used as the basic water source for drinking water, the crisis of water resources will be fundamentally resolved. Therefore, seawater desalination will be an impor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08C02F1/469C02F1/32C02F1/44C02F103/08
CPCY02A20/131
Inventor 欧阳二明胡兆吉王白杨朱衷榜蔡勇
Owner NANCHANG UNIV
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