High salt water zero discharge treatment system

A treatment system, zero-discharge technology, applied in the field of high salt water treatment, can solve problems such as large environmental pollution, and achieve the effect of stable treatment effect

Inactive Publication Date: 2017-11-03
苏州富特尼水务工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The other type of high-salt water is concentrated waste water discharged from industrial and mining enterprises after the implementation of waste water recycling. Once these high-salt waste water is discharged outside, it will cause great pollution to the environment.

Method used

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  • High salt water zero discharge treatment system
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Examples

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Embodiment

[0021] Example: such as figure 1 As shown, a high brine zero discharge treatment system includes a pH adjustment system, a forward osmosis concentration system and a draw solution regeneration system.

[0022] In this embodiment, the pH adjustment system is used for the treatment in the preceding step, that is, for adjusting the pH value in the liquid to be treated. In this embodiment, there is only one pre-processing process, which saves processing steps.

[0023] In this embodiment, the forward osmosis concentration system includes a forward osmosis membrane module 11 for receiving the concentrated draw solution and the liquid to be treated in the draw solution regeneration system, and obtain diluted draw solution and concentrated solution through osmosis treatment. The forward osmosis membrane module 11 is provided with three stages, and each stage of the forward osmosis membrane module 11 is provided with four branches. The liquid to be treated (that is, the mother liquo...

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Abstract

The invention discloses a high salt water zero discharge treatment system. The high salt water zero discharge treatment system includes a forward osmosis concentration system and a draw solution regeneration system. The forward osmosis concentration system includes a forward osmosis membrane component, which is used for receiving a concentrated draw solution of the draw solution regeneration system and a to-be-treated solution, and performing osmosis treatment to obtain a diluted draw solution and a concentrated solution. The draw solution regeneration system includes a high pressure reverse osmosis system, the forward osmosis membrane component is communicated with the high pressure reverse osmosis membrane component, the high pressure reverse osmosis system is used for providing the concentrated draw solution to the forward osmosis membrane component and receiving the diluted draw solution in the forward osmosis membrane component, the draw solution regeneration system also includes a sea water desalination system, which is assembled in the high pressure reverse osmosis system, and is used for treating the clear solution in the high pressure reverse osmosis system to obtain concentrated water and a final product and returning the concentrated water to the high pressure reverse osmosis system.

Description

technical field [0001] The invention relates to the field of high-salt water treatment and the like, in particular to a high-salt water zero-discharge treatment system. Background technique [0002] High salt water generally refers to natural water or industrial wastewater with high salinity, high COD, high hardness, and may even smell of heavy metals, such as groundwater, lakes, river. Due to the low annual precipitation and weak water circulation system in these areas, most rivers have been dry for a long time, resulting in very high salt content in groundwater, lakes, etc., which is called "brackish water" and cannot be drunk. High salt water also exists in China's coastal areas, such as sea estuaries, estuaries and other shallow sea areas. It is a classic sea salt water and has generally been seriously polluted. The other type of high-salt water is the concentrated waste water discharged from industrial and mining enterprises after the implementation of waste water rec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F101/30C02F103/08
CPCC02F1/441C02F1/442C02F1/445C02F1/66C02F9/00C02F2101/30C02F2103/08C02F2301/04C02F2301/08Y02A20/131
Inventor 陈琳
Owner 苏州富特尼水务工程有限公司
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