Decoloration Kinetics of Waste Cooking Oil by 60Co γ-ray/H2O2
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- 作者：Yulin Xiang ; Yuxiu Xiang ; Lipeng Wang
- 关键词：Waste cooking oil ; Decoloration kinetics ; 60Co γ ; ray/H2O2 ; Sensory evaluation ; Saponification ; Cost estimate
- 刊名：Journal of The Institution of Engineers (India): Series A
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：97
- 期：1
- 页码：27-32
- 全文大小：479 KB
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Yuxiu Xiang (1)
Lipeng Wang (1)
1. College of Chemistry and Chemical Engineering, Yulin University, Yulin, Shaanxi, China - 刊物主题：Civil Engineering;
- 出版者：Springer India
- ISSN：2250-2157
文摘
In order to decolorize, waste cooking oil, a dark red close to black solution from homes and restaurants, was subjected to 60Co γ-ray/H2O2 treatment. By virtue of UV/Vis spectrophotometric method, the influence of Gamma irradiation to decoloration kinetics and rate constants of the waste cooking oil in the presence of H2O2 was researched. In addition, the influence of different factors such as H2O2 concentration and irradiation dose on the decoloration rate of waste cooking oil was investigated. Results indicated that the decoloration kinetics of waste cooking oil conformed to the first-order reaction. The decoloration rate increased with the increase of irradiation dose and H2O2 concentration. Saponification analysis and sensory evaluation showed that the sample by 60Co γ-ray/H2O2 treatment presented better saponification performance and sensory score. Furthermore, according to cost estimate, the cost of the 60Co γ-ray/H2O2 was lower and more feasible than the H2O2 alone for decoloration of waste cooking oil.