Degradation of refractory organics in pre-coagulated leachate concentrate using the Fenton process: optimization through response surface methodology

2021 ◽  
Vol 234 ◽  
pp. 299-308
Author(s):  
Wenqiang Wang ◽  
Aili Wang ◽  
Fang Wang ◽  
Shubo Shang ◽  
Chunhui Li
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Process Optimization ◽  
Fenton Process ◽  
Refractory Organics

scholarly journals Removal of Mefenamic Acid from Aqueous Solution by Fenton Process: Optimization Using Response Surface Methodology with Central Composite Design

2021 ◽  
Vol 20 (5) ◽  
Author(s):  
R. Deepa ◽  
G. Madhu ◽  
Roy M Thomas ◽  
V. Sivanandan Achari
Keyword(s):  
Aqueous Solution ◽  
Response Surface Methodology ◽  
Central Composite Design ◽  
Response Surface ◽  
Process Optimization ◽  
Mefenamic Acid ◽  
Ph Value ◽  
Main Process ◽  
Fenton Process ◽  
Central Composite

In the present study, the three main process parameters in the Fenton process for the removal of pharmaceutical compound Mefenamic acid from an aqueous solution were optimized using response surface methodology (RSM). Central composite design (CCD) was used for process optimization. The primary and secondary interaction effects of the selected parameters such as H2O2, Fe2+ and pH on the removal of mefenamic acid were examined. A mathematical model for the removal process based on the selected variables was developed. The interaction effect between the chosen parameters shows that the removal of mefenamic acid was enhanced in the acidic pH range at a high concentration of H2O2 and in a medium concentration level of the catalyst Fe2+. The removal efficiency of 81.24% was obtained for mefenamic acid at the optimized condition of variables such as 9.36 mM H2O2, 0.058 mM Fe2+and at a pH value of 2.1.

scholarly journals Process Optimization and Modeling of Microwave Roasting of Bastnasite Concentrate Using Response Surface Methodology

ACS Omega ◽  
2021 ◽  
Author(s):  
Qiyuan Zheng ◽  
Yanhui Xu ◽  
Shengfeng Ma ◽  
Yu Tian ◽  
Weihua Guan ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Process Optimization ◽  
Microwave Roasting
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