Desulfuration and decarburization coupling acid gas enrichment was posed an advancing and promising process for sour natural gas with high carbon/sulfur ratio. Though an example of high carbon/sulfur ratio sour natural gas, the PROMAX and AMISIM were used to simulate the process and analyze the parameters. The results showed that the flow rate of flash gas, tail gas from 2nd absorber and the H2S concentration of acid gas was higher and the energy consumption was lower than traditional process at the flash pressure of 300 kPa and the temperature of 118℃. Also, the new process not only was satisfied with the specification of sales gas but also enriched the H2S concentration of acid gas from 20.65vol% to 30.16vol%, which can enhance the stability operation, decrease the investment and the operating cost.
Huimin LIU Lin ZHU Chenyang YU Wenhao CAO Jianliang CHEN
. Desulfuration and decarbonization coupling acid gas enrichment process[J]. The Chinese Journal of Process Engineering, 2018
, 18(4)
: 879
-885
.
DOI: 10.12034/j.issn.1009-606X.218136
[1]李劲，雷萌，唐浠.对中低含硫天然气脱硫技术的认识[J].石油与天然气化工, 2013, 43(3):227-233 [2]梁严.天然气脱硫技术研究与展望[J].当代化工, 2017, 46(8):1687-1689 [3] Zhenguang Liu, Xiuhua Gao, Linxiu Dua, Jianping Lia, Ping Li, Chi Yu, R.D.K. Misra, Yuxin Wang. Comparison of corrosion behaviour of low-alloy pipeline steel exposed to H2S/CO2-saturated brine and vapour-saturated H2S/CO2 environments [J].Electrochimica Acta, 2017, 232(/):528-541 [4]陈昌介, 何金龙, 温崇荣.高含硫天然气净化技术现状及研究方向[J].天然气工业, 2013, 33(1):112-115 [5]刘震, 姬忠礼, 吴小林, 赵峰霆.高含硫天然气过滤单元性能优化[J].天然气工业, 2016, 36(3):87-92 [6]辜小花, 邱奎, 李太福, 王坎, 唐海红, 商剑峰.基于大数据的高含硫天然气脱硫工艺优化[J].天然气工业, 2016, 36(9):107-114 [7]宋彬, 李金金, 龙晓达.天然气净化厂尾气排放治理工艺探讨[J].天然气工业, 2017, 3(1):137-144 [8]常宏岗, 熊钢.大型高含硫安全开采及硫磺回收技术[J].天然气工业, 2012, 32(12):85-91 [9]徐波, 何金龙, 黄黎明, 刘其松, 孙茹.天然气生物脱硫技术及其研究进展[J].天然气工业, 2013, 33(1):116-121 [10]孙姣, 孙兵, 姬春彦, 魏月友, 陈文义.天然气脱硫过程的胺液污染问题及胺液净化技术研究进展[J].化工进展, 2014, 3(10):271-277 [11]陈颖, 杨鹤, 梁宏宝, 张静伟.天然气脱硫脱碳方法的研究进展[J].石油化工, 2011, 40(5):565-570 [12]王开岳.天然气脱硫脱碳工艺发展进程的回顾[J].天然气与石油, 2011, 29(1):15-21 [13] Alireza Afsharpour.Modeling of H2S solubility in aqueous MDEA solution using electrolyte SRK plus association equation of state[J].Petroleum Science And Technology, 2017, /(35):292-298 [14] Fabio Ruggeri, Maria Sudiro, Inida Papa, Alessia Gallio, Alberto Bertucco, Marco Fontana.New Process Concept for H2S Capture from Syngas[J].Energy & Fuels, 2017, /(/):/-/ [15] F Maxime Hervy, Doan Pham Minh, Claire Gérente, Elsa Weiss-Hortala, Ange Nzihou, Audrey Villot, Laurence Le Coq.H2S removal from syngas using wastes pyrolysis chars[J].Chemical Engineering Journal, 2018, /(/):2179-2189 [16] Matteo C.Romano, PaoloChiesa, GiovanniLozza. Pre-combustion CO2 capture from natural gas power plants, with ATR and MDEA processes [J].International Journal of Greenhouse Gas Control, 2010, /(/):785-797 [17] F F.Banat, O. Younas, I. Didarul. Energy and exergical dissection of a natural gas sweetening plant using methyldiethanol amine (MDEA) solution[J].Journal of Natural Gas Science and Engineering, 2014, /(/):1-7 [18] Farhang Abdollahi, Ian GC Craig, Mania Neisiani.CO2 Capture from Sulphur Recovery Unit Tail Gas by Shell Cansolv Technology [J].Energy Procedia, 2017, /(/):6266-6271 [19] Natthakkan Thanakunpaisit, Niramol Jantarachat, Usa Onthong.Removal of Hydrogen Sulfide from Biogas using Laterite Materials as an Adsorbent [J].Energy Procedia, 2017, /(/):1134-1139
