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Waste liquid treatment process and system thereof

A waste liquid treatment and process technology, applied in the direction of filtration treatment, special treatment targets, multi-stage water treatment, etc., can solve the problems of no research on comprehensive treatment, achieve the effect of overcoming inability to deal with and reducing treatment costs

Inactive Publication Date: 2018-07-17
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above is limited to a certain component in waste liquid and wastewater, and there is no research on comprehensive treatment

Method used

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  • Waste liquid treatment process and system thereof

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Embodiment Construction

[0035] Embodiments of the present invention will be described in detail below in conjunction with examples, but those skilled in the art will understand that the following examples are only for illustrating the present invention, and should not be considered as limiting the scope of the present invention. Those who do not indicate the specific conditions in the examples are carried out according to the conventional conditions or the conditions suggested by the manufacturer. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased from the market.

[0036] The following is a specific description of a waste liquid treatment process and system according to the embodiment of the present invention:

[0037] In practice, various process production or chemical inspection laboratories often produce a large amount of difficult-to-treat wastewater / waste liquid, which usually requires specialized institutions...

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Abstract

The invention relates to a waste liquid treatment process and a system thereof, which belong to the field of chemical industry. The waste liquid treatment process is used for processing high-density inorganic waste liquid prepared through laboratory examination, especially the vanadium-containing waste liquid; the waste liquid treatment process uses a combination technology of neutralization, filtering, resin desalination, freezing crystallization, and evaporative crystallization for processing waste liquid and recovering vanadium, and the processed waste liquid can reach the zero discharge effect. The evaporative crystallization solves the problems of pollution of waste water and waste liquid, recovers the vanadium in the waste liquid, reduces the risk and treatment cost while processingby outer mechanisms, integrates waste water processing of a whole research institute, reaches the effect of no external discharge of the waste water, and has large environmental protection benefit andeconomic benefit.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a waste liquid treatment process and system. Background technique [0002] In recent years, with the development of my country's science and technology and the strengthening of supervision and testing of various production and products, various research and development laboratories and testing laboratories have sprung up, resulting in various laboratory waste liquids Wastewater increased rapidly. [0003] Laboratory waste is mainly produced in various research and development experiments, inspection and testing processes. Because of its special properties—such as low discharge, many types, complex components, etc.—the treatment of laboratory wastewater is extremely difficult. [0004] The current reality is that many laboratories do not have relevant waste liquid treatment processes, and untreated waste liquid is discharged directly, becoming a serious source of water pollution. ...

Claims

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Application Information

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IPC IPC(8): C02F9/10C22B34/22C22B7/00
CPCC02F1/001C02F1/04C02F1/22C02F1/28C02F1/56C02F1/58C02F1/62C02F1/64C02F1/66C02F9/00C02F2301/08C02F2303/16C22B7/006C22B34/22Y02P10/20
Inventor 张小龙黎建明杨珍邱正秋王建山
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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