TEA+DETA混合胺液脱除天然气中H2S性能优选

doi:10.7623/syxb201508012

石油学报 ›› 2015, Vol. 36 ›› Issue (8): 1004-1011,1017.DOI: 10.7623/syxb201508012

TEA+DETA混合胺液脱除天然气中H₂S性能优选

唐建峰¹, 李晶¹, 陈杰², 花亦怀², 张新军¹, 姜雪¹, 徐明海¹, 青霞¹

1. 中国石油大学储运与建筑工程学院山东青岛 266580;
2. 中海石油气电集团有限责任公司技术研发中心北京 100027

出版日期:2015-08-25 发布日期:2015-08-06
作者简介:唐建峰,男,1973年4月生,1996年获石油大学(华东)石油天然气油气储运工程专业学士学位,2011年获中国石油大学(华东)油气储运工程专业博士学位,现为中国石油大学(华东)储运与建筑工程学院燃气工程系主任、教授,主要从事天然气预处理、LNG关键技术等研究工作。Email:tangpaper@126.com
基金资助:
国家高技术研究发展计划(863)项目"海上天然气液化存储关键技术研究"(2013AA09A216)和中央高校基本科研业务费专项资金项目(14CX05033A)资助。

Optimization on the performance of H₂S removal from natural gas by TEA+DETA mixed amine solution

Tang Jianfeng¹, Li Jing¹, Chen Jie², Hua Yihuai², Zhang Xinjun¹, Jiang Xue¹, Xu Minghai¹, Qing Xia¹

1. School of Pipeline and Civil Engineering, China University of Petroleum, Shangdong Qingdao 26658, China;
2. Research & Development Center, CNOOC Gas & Power Group, Beijing 100027, China

Online:2015-08-25 Published:2015-08-06

摘要/Abstract

摘要：

运用小型反应釜及再生实验装置对三乙醇胺(TEA)+二乙烯三胺(DETA)混合胺液与N-甲基二乙醇胺(MDEA)+DETA混合胺液进行天然气中H₂S吸收、再生实验,并对不同配比的TEA+DETA混合胺液进行实验。通过分析吸收负荷、吸收速率、再生率指标优选出较优的脱H₂S胺液配比,并将其运用到工艺实验装置中。结果表明:TEA+DETA混合胺液与传统的MDEA+DETA混合胺液相比具有更优的H₂S脱除性能与胺液再生性能;在3种不同摩尔配比中,配比为2.4:0.6的TEA+DETA混合胺液为最优的胺液配比;配比为2.4:0.6的TEA+DETA混合胺液在工艺实验装置中表现出了良好的脱H₂S性能与胺液再生性能。

关键词: 三乙醇胺, 二乙烯三胺, N-甲基二乙醇胺, 混合胺液, 天然气, H₂S

Abstract:

Small reaction kettles and regeneration experimental devices were applied for the absorption and regeneration experiments of H₂S from natural gas using triethylamine (TEA)+diethylenetriamine (DETA) mixed amine solution and methyldiethanolamine (MDEA)+DETA mixed amine solution. Moreover, experiments were carried out on TEA+DETA mixed amine solution with different proportions. Through analyzing the indices, such as absorption load, absorption rate and regeneration rate, the amine solution with optimal proportion for H₂S removal was obtained and applied to devices for the outdoor acid-removal experiment using amination method. The results show that the TEA+DETA mixed amine solution has better H₂S removal performance and amine solution regeneration performance than the traditional MDEA+DETA mixed amine solution. Among three kinds of TEA+DETA mixed amine solutions with different molar ratios, the solution in the proportion of 2.4:0.6 is optimal, and has favorable H₂S removal performance and amine solution regeneration performance in the outdoor acid-removal experimental device.

Key words: triethylamine, diethylenetriamine, methyldiethanolamine, mixed amine solution, natural gas, hydrogn sulfide

中图分类号:

TE644

唐建峰, 李晶, 陈杰, 花亦怀, 张新军, 姜雪, 徐明海, 青霞. TEA+DETA混合胺液脱除天然气中H₂S性能优选[J]. 石油学报, 2015, 36(8): 1004-1011,1017.

Tang Jianfeng, Li Jing, Chen Jie, Hua Yihuai, Zhang Xinjun, Jiang Xue, Xu Minghai, Qing Xia. Optimization on the performance of H₂S removal from natural gas by TEA+DETA mixed amine solution[J]. Acta Petrolei Sinica, 2015, 36(8): 1004-1011,1017.

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TEA+DETA混合胺液脱除天然气中H₂S性能优选

Optimization on the performance of H₂S removal from natural gas by TEA+DETA mixed amine solution

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