Feasibility of Combining Reverse Osmosis-Ferrite Process for Reclamation of Metal Plating Wastewater and Recovery of Heavy Metals
- Authors
- Chung, Seungjoon; Kim, Seungjin; Kim, Jong-Oh; Chung, Jinwook
- Issue Date
- Oct-2014
- Publisher
- AMER CHEMICAL SOC
- Citation
- INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, v.53, no.39, pp.15192 - 15199
- Indexed
- SCIE
SCOPUS
- Journal Title
- INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
- Volume
- 53
- Number
- 39
- Start Page
- 15192
- End Page
- 15199
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/158991
- DOI
- 10.1021/ie502421b
- ISSN
- 0888-5885
- Abstract
- The feasibility of reverse osmosis (RO) separation combined with ferrite reaction was investigated for the reclamation and recovery of heavy metals from metal plating wastewater. Disc tube-type RO modules were used for simultaneous purification and concentration of wastewaters containing zinc and chromium ions. A subsequent ferrite reaction was performed to recover zinc ions from RO concentrates. The operating conditions of the RO and ferrite reaction were determined in several lab-scale experiments with several types of model wastewater. Pilot-scale RO test results revealed that the zinc plating wastewater treated by one-pass RO and the chrome plating wastewater treated by two-pass RO were acceptable for preplating rinsewater. After ferrite reaction, 99.7% of zinc ions were recovered from the second-stage RO concentrate in the form of zinc ferrite, while significant amounts of chromium ions were retained in the concentrate. As a result of economic analysis, we suggested a retrofitting option, including a combined RO and ferrite process, for a wastewater treatment facility in a local metal plating company.
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