Ferrite materials prepared from two industrial wastes: Electroplating sludge and spent pickle liquor

Chen, Dan, Hou, Jun, Yao, Li-hua, Jin, Hong-ming, Qian, Guang-Ren and Xu, Zhi Ping (2010) Ferrite materials prepared from two industrial wastes: Electroplating sludge and spent pickle liquor. Separation and Purification Technology, 75 2: 210-217. doi:10.1016/j.seppur.2010.07.009


Author Chen, Dan
Hou, Jun
Yao, Li-hua
Jin, Hong-ming
Qian, Guang-Ren
Xu, Zhi Ping
Title Ferrite materials prepared from two industrial wastes: Electroplating sludge and spent pickle liquor
Journal name Separation and Purification Technology   Check publisher's open access policy
ISSN 1383-5866
1873-3794
Publication date 2010-10
Sub-type Article (original research)
DOI 10.1016/j.seppur.2010.07.009
Volume 75
Issue 2
Start page 210
End page 217
Total pages 8
Place of publication Oxford, United Kingdom
Publisher Pergamon
Collection year 2011
Language eng
Formatted abstract
Simultaneous treatment of two industrial wastes, i.e. the electroplating sludge and the spent pickling liquor, to produce valuable spinel ferrite with high crystallinity and high saturation magnetization through the hydrothermal process has been investigated. After the hydrothermal treatment, the electroplating sludge can only produce poorly crystallized ferrite with high content of impurities. However, co-hydrothermal treatment of the electroplating sludge and the spent pickle liquor in a suitable mixing ratio results in a well crystallized ferrite product, with all heavy metals being fixed into the ferrite lattice. In order for the ferrite product to have a maximum saturation magnetization (41.42 emu g-1 in this research), the response surface methodology (RSM) has been employed to derive the optimal experiment condition, e.g. hydrothermal treatment at 300 °C for 6 h with the initial pH adjusted to 10. This optimal experimental condition has been further proven valid when applied to a different kind of electroplating sludge. In addition, the magnetization of ferrite products can be further enhanced to 58.34 emu g -1 by acid washing to remove the impurity (calcite). This research thus shows an effective way to transfer two common industrial wastes into valuable ferrite materials. © 2010 Elsevier B.V. All rights reserved.
Keyword Electroplating sludge
Spent pickling liquor
Hydrothermal treatment
Spinel ferrite
Response surface methodology (RSM)
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
Versions
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 14 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 16 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Sun, 14 Nov 2010, 00:00:27 EST