Chemical nickel plating wastewater treatment equipment

Chemical nickel plating wastewater treatment equipment

The utility model discloses chemical nickel plating wastewater treatment equipment. The chemical nickel plating wastewater treatment equipment sequentially comprises a pretreatment device, an electrodialysis device, a tubular microporous filtering device and a metal recovery device. The equipment co...

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Hauptverfasser: FU XIAOJING, HU JIANGENG, JIN KEYONG, JIN SHUIYU
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator FU XIAOJING
HU JIANGENG
JIN KEYONG
JIN SHUIYU
description The utility model discloses chemical nickel plating wastewater treatment equipment. The chemical nickel plating wastewater treatment equipment sequentially comprises a pretreatment device, an electrodialysis device, a tubular microporous filtering device and a metal recovery device. The equipment combines homogeneous membrane electrodialysis and electrocatalytic oxidation technologies. In the electrodialysis process, anions and cations in a solution are enriched in an electrodialysis concentrated chamber, and nickel ions serving as cations are continuously enriched in an electrodialysis concentrated water chamber and are close to an anion membrane. A nickel reduction catalyst is compounded on one side, facing the concentrated water chamber, of the negative membrane, so that nickel ions aresubjected to a cathode reduction reaction to generate nickel powder, the nickel powder circularly flows out of the electrodialyzer through electrodialysis, electrodialyzed fresh water is recycled, and metal nickel powder is
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Chemical nickel plating wastewater treatment equipment
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