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Ion interchange regeneration system

A regeneration system and ion exchange technology, applied in the field of metal recovery, can solve the problems of complicated operation and unsatisfactory regeneration effect, and achieve the effect of high operation efficiency, good regeneration effect and simplified equipment operation.

Inactive Publication Date: 2008-09-03
SHANGHAI LIGHT IND RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the unsatisfactory regeneration effect and complicated operation of the regeneration part in the traditional recovery equipment, it is necessary to make improvements to meet the needs of centralized regeneration

Method used

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  • Ion interchange regeneration system
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Embodiment Construction

[0023] Please refer to Fig. 1, the ion exchange regeneration system of the present invention generally includes: a set of storage devices 1 for providing various regenerants required for regeneration, a group of feed control valve groups 2, an exchanger assembly 3, an A set of discharge control valves 4, an eluent storage tank 6, and a control device 14. Specifically, the regenerating agent storage device 1 is further divided into a mechanical solution tank 101, an acid solution tank 102, an alkali solution tank 103, and a pure water tank 104. Among them, the nickel content of the previous regenerated reflux is lower than a certain standard in the mechanical application tank. Apply the solution. Acid solution tank 102, lye tank 103 and pure water tank 104 store acid solution, lye and pure water respectively, and acid solution is for example sulfuric acid (H 2 SO 4 ) or hydrochloric acid (HCl), the concentration is 1.5-4.0N (normal concentration); the lye is, for example, sod...

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Abstract

The invention relates to an ion exchange regeneration system used for the automatic ion exchange regeneration. The system utilizes a series of store tanks, pipelines, valves and sensors, which are required in the regeneration process, and a control device for controlling the valves and the sensors according to the regeneration process, so as to achieve the automation of the regeneration process and simplification of equipment and operation. Additionally, the system facilitates the optimum design and control of the process transitions during the ion exchange regeneration.

Description

technical field [0001] The invention relates to a technology for recovering metals from waste water, in particular to an ion exchange regeneration system. Background technique [0002] In water treatment technology, the ion exchange resin method is commonly used to treat electroplating wastewater. The simple process is that the plated parts are first dipped in the recovery tank during the nickel plating production process, and then cleaned in the rinse tank. The recovery tank contains a relatively high concentration of nickel ions brought out from the nickel plating tank, and these nickel ions are brought into the rinse tank with the plated parts, and the waste water in the rinse tank can be pumped to a nickel-plating wastewater recovery device, and the nickel ions are absorbed by the ions in the rinse tank. The exchange resin is adsorbed and recovered, and the waste water after metal recovery is reused as cleaning water. [0003] The equipment for recovering nickel-plating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J49/00C02F1/42B01J49/60
Inventor 王维平付丹
Owner SHANGHAI LIGHT IND RES INST