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Treatment system and treatment method of nickel-containing wastewater

A treatment system and treatment method technology, applied in the field of nickel-containing wastewater treatment system, can solve the problems of high cost and low resource recycling, and achieve the effect of increasing the oxidation rate

Inactive Publication Date: 2017-08-18
SUZHOU WINNER ENVIRONMENTAL TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the treatment and recovery methods of nickel-containing wastewater generally include: chemical precipitation method, chemical reduction method, electrolysis method, ion exchange method, extraction method, etc. These methods are high in cost and low in resource recovery and utilization.

Method used

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  • Treatment system and treatment method of nickel-containing wastewater

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Embodiment Construction

[0019] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for exp...

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Abstract

The invention provides a treatment system and a treatment method of nickel-containing wastewater. The treatment system of the nickel-containing wastewater comprises a reaction device, a heat supply device for heating the reaction device and a stirring device located in the reaction device. The treatment system of the nickel-containing wastewater is a reaction and sedimentation integrated intermittent treatment device and can increase the oxidation rate of hypophosphite; chemical nickel and phosphate are removed simultaneously.

Description

technical field [0001] The application relates to the field of waste water treatment, in particular to a treatment system and method for nickel-containing waste water. Background technique [0002] As a new type of surface treatment process, nickel plating has continuously expanded its application range and has penetrated into the chemical industry, automobile industry, electronics industry and other departments; however, both electroplating nickel-containing wastewater and electroless nickel plating wastewater COD etc. On the one hand, nickel-containing wastewater needs to be treated before it can be discharged or recycled to reduce environmental pollution; on the other hand, the nickel element in nickel-containing wastewater has a high recovery value. [0003] At present, the treatment and recovery methods of nickel-containing wastewater generally include: chemical precipitation method, chemical reduction method, electrolysis method, ion exchange method, extraction method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F101/20C02F103/16
CPCC02F9/00C02F2305/026C02F2301/08C02F2101/20C02F2103/16C02F1/722C02F1/66C02F1/56C02F1/5236
Inventor 林怡雯张永罗里平苏潜
Owner SUZHOU WINNER ENVIRONMENTAL TECH
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