Treatment of nickel-containing electroplating wastewater by micro-filtration membrane and amidocyanogen-phosphonic acid resin
Received date: 2001-08-19
Online published: 2010-10-01
The technique of treating nickel containing electroplating wastewater by micro filtration membrane and amidocyanogen phosphonic acid resin is introduced: inorganic membrane is used to prefiltrate to prevent impurity and oil from entering resin before Ni2+ is high efficiently recycled with it.The process is characterized by its simplicity,stability and lower cost.The concentration and purity of Ni2+ recycled is so high that it can reuse in manufacture process.The main technical parameters are determined:0.8 μm of inorganic micro filtration pore size,5.2 m/h of exchanging velocity,4%～5% H 2SO 4 concentration,3～3.5BV of regeneration fluid,1～2 BV/ h of regenerating velocity,regenerating in the same direction.The result shown in practice is good.
Key words： micro filtration; resin; electroplating wastewater
SHI Hongwen, Li Xiaoxiang, XIA Changbin, FENG Jingyuan . Treatment of nickel-containing electroplating wastewater by micro-filtration membrane and amidocyanogen-phosphonic acid resin[J]. Industrial Water Treatment, 2002 , 22(3) : 53 -55 . DOI: 10.11894/1005-829x.2002.22(3).53
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