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Device and method for recycling treatment of amino containing waste water

A technology for recycling and treatment of wastewater, applied in water/sludge/sewage treatment, osmotic/dialysis water/sewage treatment, chemical instruments and methods, etc., can solve the problem of unsatisfactory effect, waste of amine solution, and troublesome treatment of amine-containing wastewater and other problems, to achieve the effect of easy cleaning and replacement, increasing concentration ratio, and convenient assembly.

Inactive Publication Date: 2014-12-24
王建军
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Problems solved by technology

Due to the high COD value of amine liquid, the treatment of amine-containing wastewater is more troublesome, the effect is not very satisfactory, and it also causes waste of amine liquid
At present, there is no method and device for recovering amine liquid in this waste water

Method used

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  • Device and method for recycling treatment of amino containing waste water

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Embodiment Construction

[0029] The specific embodiment of the present invention will be described in detail in conjunction with the accompanying drawings.

[0030] Such as figure 1 As shown, it is a system flow chart of the present invention, and the recovery and treatment device of the amine-containing wastewater includes a first recovery tank 1, a second recovery tank 2, a first booster pump 3, a second booster pump 4, and a nanofiltration membrane module 5. Cleaning water tank 6, cleaning water pump 7, cleaning filter 8 and valves and pipelines, etc., the first recovery pool 1 is connected with the first booster pump 3 through pipelines and valves, and the second recovery pool 2 is connected with the first pressure pump 3 through pipelines and valves. Two booster pumps 4 are connected, and then the first booster pump 3 and the second booster pump 4 are connected in parallel through pipelines and valves, and then connected with the nanofiltration membrane module 5, and the concentrated water outlet...

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Abstract

The invention relates to a device and a method for recycling treatment of amino containing waste water and belongs to the field of alcohol-amine desulfurization liquid purification. The recycling treatment device mainly comprises a recycling tank, a pressurizing pump and a nano-filtration membrane assembly, wherein the recycling tank, the pressurizing pump and the nano-filtration membrane assembly are sequentially connected through pipelines and valves, a concentrated water outlet of the nano-filtration membrane assembly is connected to the recycling tank through a pipeline, and a yield water outlet of the nano-filtration membrane assembly is connected to a waste water treatment system through a pipeline. Planer nano-filtration membranes are used for filtering, are convenient to assemble and easy to wash and exchange, the waste water circulation cross section area is large, blockage cannot easily occur, and different number of membranes can be assembled according to waste water properties and waste water quantity. Cross-flow filtration is adopted in the invention, part of amine fluid can be refluxed, the pollution of waste water to the nano-filtration membranes can be reduced, and the concentrating rate can be improved.

Description

technical field [0001] The invention relates to a recovery and treatment device and method for amine-containing waste water, in particular to a recovery device and method for sweetened amine liquid waste water, and belongs to the field of purification of sweetened amine liquid. The nanofiltration membrane filtration method is used to treat and recover the amine in the amine-containing wastewater, which avoids the pollution of the amine-containing wastewater to the environment and the impact on the downstream advanced wastewater treatment device. Background technique [0002] Alcohol amine desulfurization and decarburization is the most important method in the gas purification process of oil and gas processing. At present, in the field of sweetening amine liquid purification, it is common to use filtration and ion exchange methods to remove impurities in amine liquid. The use of ion exchange resins The treatment of recycled wastewater is also a difficult problem to solve. Wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44C02F101/38
Inventor 王建军朱学军商剑峰
Owner 王建军
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