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Sewage treatment agent for oil production plant

A kind of sewage treatment agent, the technology of oil production plant, applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problems of slow sedimentation speed, high cost, poor effect, etc., and achieve the effect of low water content, excellent quality and rapid sedimentation

Active Publication Date: 2015-12-30
嘉兴沃特泰科环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a sewage treatment agent for oil production plants to solve the problems of poor treatment effect, slow settlement speed and high cost of the existing treatment agents for treatment of sewage in oil production plants.

Method used

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  • Sewage treatment agent for oil production plant

Examples

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Effect test

Embodiment 1

[0021] A sewage treatment agent for an oil production plant, which comprises the following raw materials in parts by weight: 40 parts of a demulsifier, 30 parts of a flocculant, 30 parts of a foaming agent, 20 parts of a flotation agent, 15 parts of a bactericide, and a corrosion inhibitor 10 parts, 10 parts of oxygen scavenger,

[0022] The demulsifier includes the following raw materials: 10 parts of fatty alcohol polyoxyethylene ether, 10 parts of polyethylene polyamine polyoxypropylene polyoxyethylene ether, 8 parts of secondary octylphenol polyoxyethylene ether, 6 parts of propylene oxide, 3 parts of ethylene oxide, 3 parts of potassium hydroxide;

[0023] The flocculant comprises the following raw materials: 12 parts of zirconium sulfate, 10 parts of aluminum sulfate, and 8 parts of alum;

[0024] The foaming agent comprises the following raw materials: 8 parts of sodium alkylpropanesulfonate, 8 parts of sodium alkylsulfonate, 4 parts of cetyltrimethylammonium nitrate, ...

Embodiment 2

[0030] A sewage treatment agent for an oil production plant, which comprises the following raw materials in parts by weight: 80 parts of demulsifier, 60 parts of flocculant, 60 parts of foaming agent, 50 parts of flotation agent, 35 parts of bactericide, anti-corrosion and scale inhibitor 20 parts, 20 parts of oxygen scavenger,

[0031] The demulsifier includes the following raw materials: 20 parts of fatty alcohol polyoxyethylene ether, 20 parts of polyethylene polyamine polyoxypropylene polyoxyethylene ether, 16 parts of secondary octylphenol polyoxyethylene ether, 12 parts of propylene oxide, 6 parts of ethylene oxide, 6 parts of potassium hydroxide;

[0032] The flocculant comprises the following raw materials: 30 parts of zirconium sulfate, 16 parts of aluminum sulfate, 14 parts of alum;

[0033] The foaming agent comprises the following raw materials: 16 parts of sodium alkylpropanesulfonate, 16 parts of sodium alkylsulfonate, 10 parts of cetyltrimethylammonium nitrate,...

Embodiment 3

[0039] A sewage treatment agent for an oil production plant, comprising the following raw materials in parts by weight: 60 parts of a demulsifier, 45 parts of a flocculant, 45 parts of a foaming agent, 35 parts of a flotation agent, 25 parts of a bactericide, and a corrosion inhibitor 15 parts, 15 parts of oxygen scavenger,

[0040] The demulsifier includes the following raw materials: 15 parts of fatty alcohol polyoxyethylene ether, 15 parts of polyethylene polyamine polyoxypropylene polyoxyethylene ether, 12 parts of secondary octylphenol polyoxyethylene ether, 8 parts of propylene oxide, 5 parts of ethylene oxide, 5 parts of potassium hydroxide;

[0041] The flocculant comprises the following raw materials: 20 parts of zirconium sulfate, 13 parts of aluminum sulfate, 12 parts of alum;

[0042] The foaming agent comprises the following raw materials: 12 parts of sodium alkylpropanesulfonate, 12 parts of sodium alkylsulfonate, 8 parts of cetyltrimethylammonium nitrate, and 1...

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Abstract

The invention discloses a sewage treatment agent for an oil production plant, belonging to the technical field of preparation of the sewage treatment agent. The sewage treatment agent for the oil production plant is prepared from the following raw materials in parts by weight: 40 to 80 parts of demulsifier, 30 to 60 parts of flocculant, 30 to 60 parts of foaming agent, 20 to 50 parts of flotation agent, 15 to 35 parts of fungicide, 10 to 20 parts of slow rot scale inhibitor, and 10 to 20 parts of deoxidant. The treatment agent provided by the invention for the oil production plant has the advantages of high deposition rate, good effluent quality, low treatment cost, no corrosive effect, nontoxicity, no pollution, safety in use, and the like; after oil production plant sewage is treated by adopting the treatment agent provided by the invention, the pH value basically reaches neutral pH, the SS removing rate can reach 99.09% to 99.27%, the COD removing rate can reach 99.02% to 99.11%, and the oil removing rate can reach 99.04% to 99.12%.

Description

【Technical field】 [0001] The invention relates to the technical field of preparation of sewage treatment agents, in particular to a sewage treatment agent for oil production plants. 【Background technique】 [0002] The chemical precipitation method is widely used in sewage treatment. It is to add some chemical agents to the waste water to make it chemically react with the pollutants in the waste water to form insoluble solid products, and then separate the solid and liquid to remove the water. A method of contamination. At present, in some industries, such as coal slime water, oil field wastewater, printing and dyeing wastewater, papermaking wastewater, etc., the chemicals used have poor treatment effects, slow sedimentation speed, high chemical costs, and some enterprises have caused serious corrosion of equipment. [0003] The produced water of the oil field oil production plant is extracted from the oil layer together with the crude oil. The wastewater not only carries cr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52
Inventor 石东秀
Owner 嘉兴沃特泰科环保科技股份有限公司
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