引用本文:胡天友,岑嶺,何金龙,常宏岗,岑兆海,倪伟,等. 加氢尾气深度脱硫溶剂CT8-26的研究[J]. 石油与天然气化工, 2016, 45(2): 7-12.
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加氢尾气深度脱硫溶剂CT8-26的研究
胡天友1,2,岑嶺3,何金龙1,2,常宏岗1,2,岑兆海4,倪伟4,赵国星1,2,彭修军1,2
1.中国石油西南油气田公司天然气研究院;2.国家能源高含硫气藏开采研发中心 ;3.中国石油西南油气田公司重庆天然气净化总厂 ;4.中国石油西南油气田公司开发部
摘要:
针对硫磺回收装置加氢尾气的气质特点,研发出了对H2S具有良好脱除效果的配方脱硫溶剂CT8-26。室内试验表明,与MDEA相比,CT8-26可使脱硫后的净化尾气中H2S质量浓度降低70%以上。在天然气净化厂硫磺回收装置加氢尾气的气质条件下,采用CT8-26溶剂体系可使净化尾气中的H2S质量浓度＜30 mg/m3；在炼厂硫磺回收加氢尾气的典型气质条件下,采用CT8-26可使净化尾气中的H2S质量浓度＜10 mg/m3。 
关键词:  加氢尾气  配方溶剂  深度脱除H2S溶剂 
DOI：10.3969/j.issn.1007-3426.2016.02.002
分类号:TE624.4+31
基金项目:中国石油天然气股份有限公司科研项目“含硫天然气高效处理新技术与集输管道新材料研究及应用”(2014D-1908)
Development of H2S deep removal solvent CT8-26 for hydrogenation process tail gas
Hu Tianyou1,2, Cen Ling3,He Jinlong1,2, Chang Honggang1,2, Cen Zhaohai4, Ni Wei4, Zhao Guoxing1,2, Peng Xiujun1,2
(1. Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu 610213, China;2. National Energy R&D Center of High Sulfur Gas Exploitation, Chengdu 610213, China;3. Chongqing Natural Gas Purification Plant General, PetroChina Southwest Oil & Gasfield Company, Chongqing 401259, China;4. Development Department of PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)
Abstract:
Based on the composition of hydrogenation process tail gas for the sulfur recovery unit, the compound solvent CT8-26 with outstanding H2S removal ability was developed. The results of laboratory tests showed that the H2S concentration in purified gas reduced over 70% after using CT 8-26 solvent, compared with MDEA. By using the CT8-26 solvent system, the H2S mass concentration in purified tail gas can be reduced to less than 30 mg/m3 or 10 mg/m3 for the hydrogenation process tail gas of sulfur recovery unit in natural gas purification plants and in refineries, respectively.
Key words:  hydrogenation process tail gas  compound solvent  H2S deep removal solvent