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Zheng Chen,Gama Yang,Tingzhen Mu,Maohua Yang,Nadia A. Samak,Sumit Peh,Yunpu Jia,Xuemi Hao,Xuhao Zhao,Jianmin Xing 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.110 No.-
The highly efficient performance of H2S absorption is the crucial indicator for haloalkaliphilic biologicaldesulfurization (HBDS) because it immediately concerns the H2S removal efficiency and pH change ofalkaline solutions. Therefore, we investigated the effect of operating parameters on the H2S absorption’sperformance under haloalkaline conditions. The gas–liquid ratio and packing height significantly improveH2S removal efficiency, from 80% to 90% and 66% to 99%, respectively. The absorption temperature had atrivial impact on the H2S removal efficiency, and the maximum value appeared at 45 C. Additionally, alloperating parameters caused pH changes that varied in the acceptable range (0.1 to 0.5) during theabsorption process. A rate-based model was successfully developed to predict the haloalkaliphilic H2Sabsorption process accurately. Moreover, this model could be implemented to effectively evaluate theHBDS system’s stability and provide reliable theoretical guidance for the industrial HBDS process toensure good process stability.