Abstract:
:In this study, sugar cane residue or bagasse was used for removal of toxic metal ions from wastewater of an electroplating factory located in northeast Brazil. Prior acid treatment increased the adsorption efficacies in batch wise experiments. The microstructure of the material before and after the treatment was investigated by X-ray diffraction, infrared spectroscopy and scanning electron microscopy. Column operations showed that removals of Cu(2+), Ni(2+) and Zn(2+) from wastewater (in the absence of cyanide) were 95.5%, 96.3.0%, and 97.1%, respectively. Regeneration of the adsorbent obtained in acid indicated that the efficiencies decreased only after the fourth cycle of re-use. Acid-treated sugar cane bagasse can be considered a viable alternative to common methods to remove toxic metal ions from aqueous effluents of electroplating industries.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Sousa FW,Sousa MJ,Oliveira IR,Oliveira AG,Cavalcante RM,Fechine PB,Neto VO,de Keukeleire D,Nascimento RFdoi
10.1016/j.jenvman.2009.05.016subject
Has Abstractpub_date
2009-08-01 00:00:00pages
3340-4issue
11eissn
0301-4797issn
1095-8630pii
S0301-4797(09)00166-2journal_volume
90pub_type
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