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Reference type: Journal
Authors: Huo HY, Su HJ, Jiang W, Tan TW
Article Title: Effect of trace Ag+ adsorption on degradation of organic dye wastes.
Publication date: 2009
Journal: Biochemical Engineering Journal
Volume: 43
Issue: (1)
Page numbers: 2-7.
DOI: 10.1016/j.bej.2008.07.012
Alternative URL: http://www.sciencedirect.com/science/article/B6V5N-4T5CH08-1/2/6e75cfea0f707c119706b80289444064

Abstract: By the introduction of Ag+, the molecular imprinting technology and photocatalysis technology were associated with each other and the Ag+-imprinted biosorbent (Ag-IB) was prepared. Ag-IB could first adsorb Ag+ and then degraded Methyl Orange (MO). Firstly the influences of the ionic strength and pH value in solution on adsorption capacity for Ag+ were studied, and then the effects of Ag+ adsorption capacity on degradability for MO were investigated. The maximal degradation ratio of MO reached over 93% at Ag+ adsorption capacity of 78.0mg/g after 5.0h. In contrast to MO, Methylene Blue (MB) and Sunset Yellow (SY) were studied and the degradation ratios could be about 70% and 98% at Ag+ adsorption capacity of 36.9mg/g, respectively. And XPS analysis showed that Ag+ was reduced to Ag on Ag-IB surface. Furthermore, the mechanism for photocatalytic degradation of MO dye was primarily researched
Template and target information: Silver ion, Ag+
Author keywords: molecular imprinting, Ag+, adsorption, separation, degradation, Waste-water treatment


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