A Study on the Highly Effective Treatment of Spent Electroless Nickel Plating Solution by an Advanced Oxidation Process | Zendy

Minhye Seo | Zendy; Sungsu Cho | Zendy; Soo Young Lee | Zendy; Jin-Ho Kim | Zendy; Yong-Ho Kang | Zendy; Sunghyun Uhm | Zendy

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A Study on the Highly Effective Treatment of Spent Electroless Nickel Plating Solution by an Advanced Oxidation Process

Author(s) -

Minhye Seo,

Sungsu Cho,

Soo Young Lee,

Jin-Ho Kim,

Yong-Ho Kang,

Sunghyun Uhm

Publication year - 2015

Publication title -

applied chemistry for engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.144

H-Index - 11

eISSN - 2288-4505

pISSN - 1225-0112

DOI - 10.14478/ace.2015.1016

Subject(s) - hypophosphite , oxidizing agent , nickel , leaching (pedology) , rendering (computer graphics) , chemistry , nuclear chemistry , electroless nickel plating , metallurgy , materials science , inorganic chemistry , electroless plating , electroplating , organic chemistry , environmental science , computer science , computer graphics (images) , soil science , soil water , layer (electronics)

We develop advanced oxidation processes for the treatment of spent electroless nickel plating solution. Apart form recovering nickel by leaching and enrichment, more emphasis is placed on rendering the waste water recyclable via oxidizing phosphite and hypophosphite into phosphate which can then be precipitated easily. UV/H2O2 process is employed and the conversion efficiency of COD and PO4-P, and H2O2 consumption are analyzed. Furthermore, the UV/H2O2 process in conjunction with O3 generator enables us to not only save the treatment time by 6 hours but also reduce H2O2 consumption by 30%.

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