catalytic oxidation
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2022 ◽  
Vol 228 ◽  
pp. 107159
Author(s):  
Chen Song ◽  
Fang Liu ◽  
Weiliao Kang ◽  
Jiangyuan Zhao ◽  
Li Yang ◽  
...  

Fuel ◽  
2022 ◽  
Vol 314 ◽  
pp. 123061
Author(s):  
Shiwei Ge ◽  
Xiaoqing Liu ◽  
Jun Liu ◽  
Hao Liu ◽  
Haiyan Liu ◽  
...  

Fuel ◽  
2022 ◽  
Vol 312 ◽  
pp. 122975
Author(s):  
Wei Liu ◽  
Wenjie Xiang ◽  
Xi Chen ◽  
Zhongxian Song ◽  
Chunxiang Gao ◽  
...  

2022 ◽  
Vol 116 ◽  
pp. 163-174
Author(s):  
Mingjie Zhang ◽  
Gang Yang ◽  
Shuai Liu ◽  
Jiahui Yu ◽  
Hongzhe Li ◽  
...  

2022 ◽  
Vol 429 ◽  
pp. 132219
Author(s):  
Shuaiqi Zhao ◽  
Peng Wu ◽  
Jiajin Lin ◽  
Yifei Li ◽  
Anqi Li ◽  
...  
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2022 ◽  
Vol 9 ◽  
Author(s):  
Shuai Zhang ◽  
Huixue Ren ◽  
Kaifang Fu ◽  
Wenqing Cheng ◽  
Daoji Wu ◽  
...  

The printing and dyeing wastewater produced by different dyes, as well as different printing and dyeing processes, have different components. These wastewater have high toxicity, high organic concentration, and deep chromaticity. Ozone catalytic oxidation is a very promising technical method for wastewater treatment. In this paper, Mn/Mg/Ce ternary catalyst was prepared, and the ozone catalytic oxidation treatment of actual and simulated printing and dyeing wastewater was performed to study the performance of four different carrier catalysts, namely, molecular sieve (MS), silica gel (SG), attapulgite (ATP), and nano alumina (Al2O3), by simulated dynamic test. The effects of reaction time, pH, and catalyst dosage on methyl orange degradation were studied. The results showed that under the optimum treatment conditions (120 min, pH 11, and 12.5 g/L catalyst dosage), the degradation rate of methyl orange reached 96% and the removal rate of the chemical oxygen demand of printing and dyeing wastewater reached 48.7%. This study shows that the treatment effect of ozone catalytic oxidation on printing and dyeing wastewater is remarkably improved after catalyst addition. This study provides a new choice of ozone catalyst for the degradation of printing and dyeing wastewaters in the future.


Author(s):  
Ralitsa Velinova ◽  
Bozhidar Grahovski ◽  
Hristo Kolev ◽  
Georgi Ivanov ◽  
Silviya Todorova ◽  
...  

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