A system for removing nickel and phosphorus from chemical nickel wastewater

The nickel and phosphorus removal system for chemical nickel wastewater utilizes the oxidation reaction of permanganate and ferrate combined with flocculant precipitation separation to solve the problem of efficient removal of nickel and phosphorus from chemical nickel wastewater, reducing costs and meeting stringent emission standards.

CN224394726UActive Publication Date: 2026-06-23GUANGDONG SHUIQING ENVIRONMENTAL PROTECTION TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG SHUIQING ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-06-12
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing technologies are insufficient for efficiently removing nickel and phosphorus from electroless nickel plating wastewater, especially from electroless nickel plating wastewater generated from circuit board electroplating. Traditional methods are costly and ineffective.

Method used

A nickel and phosphorus removal system for chemical nickel wastewater is adopted, which uses a combination of equalization tank, pH adjustment tank, reaction tank, flocculation tank and sedimentation tank for treatment. It utilizes permanganate and ferrate for oxidation reaction, combined with flocculant for precipitation separation, to achieve efficient removal of nickel and phosphorus.

Benefits of technology

The cost of pH adjustment agents was reduced, phosphorus removal efficiency was improved, and agent consumption was reduced, achieving efficient removal of nickel and phosphorus and meeting stringent emission standards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of chemical nickel wastewater nickel removal phosphorus removal system, belong to wastewater treatment technical field.The chemical nickel wastewater nickel removal phosphorus removal system, including the communication of adjusting pool, first pH adjustment pool, primary reaction pool, secondary reaction pool, second pH adjustment pool, coagulation tank, flocculation tank, sedimentation tank, effluent monitoring pool in order;Wherein, acid adding device is provided on the first pH adjustment pool;Permanganate adding device is provided on the primary reaction pool;Ferrate adding device is provided on the secondary reaction pool;Alkali adding device is provided on the second pH adjustment pool;First flocculant adding device is provided on the coagulation tank;Second flocculant adding device is provided on the flocculation tank.The chemical nickel wastewater nickel removal phosphorus removal system of the utility model can efficiently remove nickel and phosphorus.
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