Application of carbon foam for heavy metal removal from industrial plating wastewater and a toxicity evaluation of the adsorbent

Title
Application of carbon foam for heavy metal removal from industrial plating wastewater and a toxicity evaluation of the adsorbent
Authors
류재천이상협박찬혁최재우송미경이창구
Keywords
Carbon foam; Sorption capacity; Toxicity test; Heavy metal removal; Industrial plating wastewater; Pilot plant test
Issue Date
2016-06
Publisher
Chemosphere
Citation
VOL 153, 1-9
Abstract
Electroplating wastewater contains various types of toxic substances, such as heavy metals, solvents, and cleaning agents. Carbon foam was used as an adsorbent for the removal of heavy metals from real industrial plating wastewater. Its sorption capacity was compared with those of a commercial ion-exchange resin (BC258) and a heavy metal adsorbent (CupriSorb™) in a batch system. The experimental carbon foam has a considerably higher sorption capacity for Cr and Cu than commercial adsorbents for acid/alkali wastewater and cyanide wastewater. Additionally, cytotoxicity test showed that the newly developed adsorbent has low cytotoxic effects on three kinds of human cells. In a pilot plant, the carbon foam had higher sorption capacity for Cr (73.64 g kg(-1)) than for Cu (14.86 g kg(-1)) and Ni (7.74 g kg(-1)) during 350 h of operation time. Oxidation pretreatments using UV/hydrogen peroxide enhance heavy metal removal from plating wastewater containing cyanide compounds.
URI
http://pubs.kist.re.kr/handle/201004/59144
ISSN
00456535
Appears in Collections:
KIST Publication > Article
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