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Crude oil demulsification method

A crude oil and sewage treatment technology, which is applied to the dehydration/demulsification of hydrocarbon oil, chemical instruments and methods, dehydration/demulsification by mechanical methods, etc., can solve problems such as difficulty, high price, and poor versatility

Inactive Publication Date: 2015-04-29
KESHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, conventional oily sewage treatment methods generally need to be used in conjunction with chemical agents, but the chemical agents used are various, expensive, and not universal, which brings many difficulties and problems to the oilfield sewage treatment work. The present invention aims at all Existing problems. Developed a physical method without using chemical agents to treat crude oil-containing sewage

Method used

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Examples

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Embodiment

[0006] Firstly, treat crude oil-containing sewage into the sewage source tank, open the gate valve and filter through 10μ filter and 5μ filter, and then use high-pressure pump to pump the sewage into 5-10 organic polymer composite diaphragms made of scroll type in the reverse osmosis membrane tube. When the sewage passes through the membrane surface, the hydrophilic and lipophilic balance of various particles is destroyed, and the sewage is carried out in the membrane tube, and at the same time, the emulsion particles are demulsified, re-aggregated, coarse-grained, and then separated.

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Abstract

The invention relates to a crude oil wastewater treatment method. The method comprises steps as follows: oil and water of a water source are separated by the aid of a filter, a high-pressure pump and a reverse osmosis membrane tube, when wastewater passes through surfaces of membranes, the hydrophily, the lipophilicity and the balance of various particles are damaged, the wastewater advances in the membrane tube, meanwhile, demulsification of emulsion particles is finished, aggregation and coarse graining are conducted, and the separated state is realized. The method is used for replacing a conventional method for treating the wastewater through cooperation of chemical agents, is applicable to all kinds of crude-oil-containing wastewater treatment, simple and convenient to construct, convenient to operate and high in oil-water separation efficiency, and has the significant economic benefit.

Description

technical field [0001] The invention relates to a method for treating sewage containing crude oil, in particular to treating sewage containing crude oil by adopting reverse osmosis membrane technology. Background technique [0002] At present, conventional oily sewage treatment methods generally need to be used in conjunction with chemical agents, but the chemical agents used are various, expensive, and not universal, which brings many difficulties and problems to the oil field sewage treatment work. The present invention aims at all Existing problems. A method of treating crude oil-containing sewage by physical methods without using chemical agents has been developed. Contents of the invention [0003] The purpose of the present invention is to develop a method for the treatment of crude oil-containing sewage. In this method, the sewage source is separated from oil and water after entering the reverse osmosis membrane through a filter twice, a high-pressure pump, and the...

Claims

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Application Information

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IPC IPC(8): C10G33/00C10G33/06
CPCC02F9/00C10G33/00C10G33/06
Inventor 曹惠忠李卓坪
Owner KESHENG ENVIRONMENTAL PROTECTION TECH CO LTD