引用本文:朱华东,王海洋,王宏莉,李永振,唐纯洁,蒲长胜. 浅谈天然气中硫化合物在线分析预处理技术[J]. 石油与天然气化工, 2022, 51(1): 104-109.
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浅谈天然气中硫化合物在线分析预处理技术
朱华东1,2,王海洋3,王宏莉1,2,李永振4,唐纯洁1,2,蒲长胜1,2
1.中国石油西南油气田公司天然气研究院 ;2.中国石油天然气集团公司天然气质量控制与能量计量重点实验室 ;3.中海福建天然气有限责任公司 ;4.中国石油西南油气田公司川西北气矿天然气净化厂
摘要:
目的 在天然气气质升级的新形势下,研究硫化合物在线分析预处理系统的适应性。方法 调研并总结了我国西南地区代表性天然气在线分析预处理配置及运行情况,并比对研究了现有预处理装置与钝化处理的天然气在线分析预处理系统的硫化合物吸附性能。结果 现有预处理装置基本满足硫化合物在线分析的需求,钝化处理的预处理系统抗硫吸附性能明显占优,抗硫吸附效率达到75%以上,经过2~3 h老化后可达到吸附平衡。结论 建议在日常生产质量控制及要求不高的情况下采用现有预处理装置,在具有争议的交接界面将钝化处理的预处理系统作为优选方案。 
关键词:  天然气  硫化氢  在线分析预处理  抗硫吸附
DOI：10.3969/j.issn.1007-3426.2022.01.017
分类号:
基金项目:中国石油西南油气田公司科学研究与技术开发项目“便携式LNG取样系统应用研究”(20210308-06)；中国石油天然气股份有限公司科技项目“天然气质量控制和能量计量实验新方法研究及运行管理”(2020D-5006-83)
Study on pretreatment technology for online analysis of sulfide in natural gas
Zhu Huadong1,2, Wang Haiyang3, Wang Hongli1,2, Li Yongzhen4, Tang Chunjie1,2, Pu Changsheng1,2
1. Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan, China;2. Natural Gas Quality Control and Energy Measurement Key Laboratory, CNPC, Chengdu, Sichuan, China;3. China Shipping Fujian Natural Gas Co., Ltd., Pu tian, Fujian, China;4. Natural Gas Purification Plant of Northwestern Sichuan Gas District, PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan, China
Abstract:
Objective The adaptability of pretreatment system for sulfide online analysis is studied under the situation of natural gas quality upgrade. Methods The pretreatment configuration and operation status of representative natural gas online analysis in Southwest China are investigated and summarized. The anti-sulfide adsorption performances of existing pretreatment device and passivated online analysis pretreatment system are comparatively researched. Results The anti-sulfur adsorption performance of the novel system is significantly improved, and the anti-sulfur adsorption efficiency reaches more than 75%, adsorption equilibrium can be reached after about 2 to 3 hours of aging. Conclusion sIt is recommended that the current pretreatment device should be used in daily production quality control, and the anti-sulfur adsorption pretreatment system is used as a preferred scheme at the controversial interface.
Key words:  natural gas  H2S  online analysis pretreatment  anti-sulfur adsorption