天然气工业2009，Vol.29Issue(10)：107-110,4.DOI:10.3787/j.issn.1000-0976.2009.10.033
MDEA/DEA脱硫脱碳混合溶液在长庆气区的应用
Application of the mixed MDEA/DEA desulphurization and decarbonization solution in some gas fields of Changqing Gas Zone
李亚萍 1赵玉君 1呼延念超 1杨鹏 2陈强 2王遇冬1
作者信息
- 1. 中国石油长庆油田公司科技工程有限责任公司
- 2. 中国石油长庆油田公司第一采气厂
- 折叠
摘要
Abstract
With the continuous development of Jingbian and other gas fields, the properties of the produced natural gas there have become greatly different, among which the content of H_2S increases up to 1000 mg/m~3 and the volume fraction of CO_2 in the gas has risen to 4.5% - 6.0%. Therefore, only the MDEA solution, which was commonly used in gas purification process before, can no longer meet the needs of desulphurization and decarbonization for the produced natural gas now in this area. Therefore, we performed tests on decarburization and desulfurization by the mixed MDEA/DEA solutions with different volume ratios. The results showed that, under the same testing condition, the mixed solution, in which the mass fraction of amine is 40%, the volume ratio of DEA and MDEA is 1:6, has the best desulphurization and decarbonization property. Besides, the H_2S load and CO_2 load of this mixed solution are the highest. Then we applied this mixed solution in four production facilities and found out that when the mixed solution is applied in the treatment of sweet gas with high carbon content, the sour gas load of the solution is higher and the effect of desulphurization and decarbonization is better; in addition, the corrosion is slight; and the natural gas purification facility runs smoothly with favorable energy-saving and economical performance.关键词
气田/酸性天然气/高含硫/高含碳/混合醇胺溶液/脱硫脱碳/酸气负荷/节能Key words
Jingbian gas field/sour natural gas/high sulfur content/high carbon content/the mixed MDEA/DEA solution/desulphurization and decarbonization/sour gas load/energy saving分类
能源科技引用本文复制引用
李亚萍,赵玉君,呼延念超,杨鹏,陈强,王遇冬..MDEA/DEA脱硫脱碳混合溶液在长庆气区的应用[J].天然气工业,2009,29(10):107-110,4.
