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Method for concentrating saline water and separating organic matters by using extract liquor

A technology for extracting liquid and organic matter, which is applied in the field of environmental protection technology and water desalination treatment

Pending Publication Date: 2021-05-18
江苏普利瑞科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are currently no applications utilizing this method to remove organic matter

Method used

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  • Method for concentrating saline water and separating organic matters by using extract liquor
  • Method for concentrating saline water and separating organic matters by using extract liquor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: use extraction solution P230 (polyethylene glycol monolaurate with a molecular weight of about 2300) to concentrate the sulfate solution and separate the organic matter Congo red.

[0021] While extracting the water in the brine, the extractant extracts other organic molecules dissolved in the brine (Congo red as a possible other organic molecule): Congo red organic molecules are dissolved in 10wt% magnesium sulfate solution, and the solution is dye-specific of red. After the solution is mixed with the extract and statically separated, the water in the brine solution is extracted into the extract, the brine is highly concentrated, and the brine layer loses the unique color of the dye. However, the extract is diluted and has the color of the dye, indicating that the extract is also extracting the dye while extracting water. Through ultraviolet-visible spectroscopic analysis, the concentration of Congo red in the extract layer is 134ppm (as attached figur...

Embodiment 2

[0024] Embodiment 2: using extract P230 (polyethylene glycol monolaurate with a molecular weight of about 2300) to concentrate the sulfate solution and separate the organic matter carotene.

[0025] While extracting the water in the brine, the extract extracts other organic molecules dissolved in the brine (carotene as a possible other organic molecule): carotene organic molecules are dissolved in 10% magnesium sulfate solution, and the solution is dye-specific of yellow. After the solution is mixed with the extract and statically separated, the water in the brine solution is extracted into the extract, the brine is highly concentrated, and the brine layer loses the unique color of the dye. However, the extract is diluted and has the color of the dye, indicating that the extract is also extracting the dye while extracting water. After ultraviolet-visible spectrum analysis, the concentration of carotene in the extract layer is 89ppm, while the concentration of carotene in the ...

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Abstract

The invention provides a method for concentrating saline water and separating organic matters by using extract liquor. The extract liquor is used for extracting water in the saline water and removing the organic matters in the saline water at the same time. According to the technical scheme, water in the saline water is extracted, and other organic matters in the saline water are removed at the same time, so that the cost of wastewater desalination and the influence of the organic matters in the saline water on the desalination process are reduced, in addition, the organic matters separated from the saline water can be independently treated, and the influence of high-concentration saline water on the treatment of the organic matters is also avoided.

Description

technical field [0001] The invention relates to the technical fields of environmental protection technology and water desalination treatment, in particular to a method for concentrating brine and separating organic matter by using an extract. Background technique [0002] In the process of water treatment, it is often necessary to remove a large amount of salt in water (such as concentrating brine) to reduce discharge or recycle, such as industrial wastewater treatment, seawater desalination, etc. Commonly used methods are evaporation, reverse osmosis, chemical precipitation, and electrodialysis. [0003] In the traditional concentration method, if the brine contains organic matter, the organic matter will be concentrated together with the salt and cannot be removed from the brine. Organic matter can also cause damage to the concentration equipment during the brine concentration process. For high-concentration brine, the method of pretreatment to remove organic matter is l...

Claims

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Application Information

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IPC IPC(8): B01D11/04
CPCB01D11/04Y02A20/131
Inventor 王浩戎
Owner 江苏普利瑞科技有限公司