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Treatment system of shale gas fracturing flowback fluid

A treatment system and flowback liquid technology, applied in sedimentation treatment, multi-stage water treatment, water/sewage treatment, etc., can solve the problems of low treatment efficiency, poor effluent quality, etc., achieve short treatment process, easy automatic control, The effect of improving the effect of concentration treatment

Inactive Publication Date: 2017-05-31
宜宾华洁环保工程有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved and the technical task proposed by the present invention are to improve the existing technology, provide a shale gas fracturing flowback fluid treatment system, and solve the traditional shale gas fracturing flowback fluid treatment device in the current technology Low treatment efficiency and poor effluent quality

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  • Treatment system of shale gas fracturing flowback fluid
  • Treatment system of shale gas fracturing flowback fluid
  • Treatment system of shale gas fracturing flowback fluid

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] The shale gas fracturing flowback fluid treatment system disclosed in the embodiment of the present invention has high treatment efficiency, good effluent quality, short process, small equipment occupation volume, low manufacturing cost, low operating cost, strong site adaptability, and skid-mounted integration Structure, good mobility, can be flexibly converted and used between multiple platforms.

[0030] The present invention adopts the method of che...

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Abstract

The invention discloses a treatment system of a shale gas fracturing flowback fluid. The treatment system is characterized by comprising a reaction tank, a tubular microfiltration membrane system, a nanofiltration system and a reverse osmosis system, wherein a chemical agent is added to the reaction tank; chemical precipitation treatment is performed on waste water entering the reaction tank; a treated supernate is conveyed to the tubular nanofiltration system; treated fresh water is conveyed to the reverse osmosis system for treatment. The treatment system of the shale gas fracturing flowback fluid is compact in structure, small in floor area, short in treatment process, high in treatment efficiency, good in outlet water quality, low in power consumption, low in operating cost, convenient in automatic control, and high in economic benefit.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a shale gas fracturing flowback liquid treatment system. Background technique [0002] As an important unconventional natural gas resource, shale gas has become a new highlight in the exploration and development of global oil and gas resources, but its special drilling and production technology may bring new environmental pollution problems, especially in the process of shale gas fracturing A large amount of fracturing flowback wastewater will be produced, which contains formation groundwater, waste fracturing fluid and drilling cuttings brought out along with the flowback wastewater, and has high salt, high salinity, high chroma, and toxic Hazardous substances, poor biodegradability and intractable characteristics. The current concentration process for treating shale gas fracturing flowback fluid wastewater is softening + ultrafiltration + reverse osmosis concentration...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10C02F101/30C02F103/36
CPCC02F1/04C02F1/441C02F1/442C02F1/444C02F1/5236C02F1/56C02F1/58C02F1/66C02F9/00C02F2001/007C02F2101/30C02F2103/365C02F2301/046C02F2301/08
Inventor 邓超钟祥谢茂奇
Owner 宜宾华洁环保工程有限责任公司
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