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Efficient demulsifier

A demulsifier and high-efficiency technology, applied in the field of high-efficiency demulsifier, can solve the problems of complex composition and preparation method, etc.

Active Publication Date: 2020-10-20
北部湾海洋新材料研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention: Aiming at the disadvantages of complex preparation methods or complex composition of demulsifiers in the prior art, the present invention provides a high-efficiency demulsifier, which has excellent demulsification and water absorption effects when filtering high-concentration samples

Method used

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Embodiment 1

[0028] A high-efficiency demulsifier, composed of anhydrous sodium sulfate, anhydrous calcium chloride, polyaluminum chloride, glycerin-stearate, diethylenetriaminepentamethylenephosphonic acid, according to the ratio of 1:1:1:0.008-0.015 : A mixture made with a mass ratio of 0.008-0.015.

Embodiment 2

[0030] A high-efficiency demulsifier, composed of anhydrous sodium sulfate, anhydrous calcium chloride, polyaluminum chloride, glycerin-stearate, diethylenetriaminepentamethylenephosphonic acid, according to the ratio of 1:1:1:0.008-0.015 : A mixture made with a mass ratio of 0.008-0.015.

Embodiment 3

[0032] A high-efficiency demulsifier, composed of anhydrous sodium sulfate, anhydrous calcium chloride, polyaluminum chloride, glycerin-stearate, diethylenetriaminepentamethylenephosphonic acid, according to the ratio of 1:1:1:0.01-0.012 : A mixture made with a mass ratio of 0.01-0.012.

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Abstract

The invention discloses an efficient demulsifier, which is a mixture prepared from anhydrous sodium sulfate, anhydrous calcium chloride, polymeric aluminum chloride, glycerol-stearate and diethylene triamine penta(methylene phosphonic acid) according to a mass ratio of 1: 1: 1: (0.008 to 0.015): (0.008 to 0.015). When a high-concentration sample is filtered, the demulsification and water absorption effects are excellent.

Description

【Technical field】 [0001] The invention relates to the technical field of sewage treatment, in particular to a high-efficiency demulsifier. 【Background technique】 [0002] The oil contained in sewage and domestic wastewater has always polluted the environment. The situation cannot be underestimated. With the development of the economy, my country has issued a series of testing standards for oil in water. According to the "Montreal Convention on Environmental Protection" signed by Montreal, Canada, on January 1, 2019, my country officially abolished the standard for extracting oil in water with carbon tetrachloride as the extraction agent, and at the same time updated the extraction agent in the standard to tetrachloroethylene Incidentally, due to the chemical properties of tetrachlorethylene itself, severe emulsification will inevitably occur in high-concentration oils during the extraction process, but the new standard does not clearly mention when emulsification occurs time s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/40C02F1/52
CPCC02F1/40C02F1/5236Y02W10/10
Inventor 卻林张芳梁坤国包泳先王基成
Owner 北部湾海洋新材料研究院
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