石油与天然气化工2015，Vol.44Issue(6)：1-9,9.DOI:10.3969/j.issn.1007-3426.2015.06.001
天然气三甘醇脱水工艺的技术进展
Technical progress of TEG dehydration process in natural gas industry
摘要
Abstract
TEG dehydration is an important technology for natural gas exploitation . The developmental tendencies of TEG dehydration process were discussed in this article .Recently inert gas stripping is the most popular measure to concentrate TEG and can improve the purity of TEG to 99 .20% -99 .98% which correspond to the water dew point depression range of 55 -83 ℃ for dry gas .The improved Drizo process can reduce the mass concentration of water to lower than 1 × 10-6 , the dehydration efficiency may reach that of molecular sieve adsorption process .The TEG dehydration process can reduce BTEX/CO2 emission and recover aromatic ,which will decrease CAPEX and OPEX also .Especially ,Drizo process is suitable for FLNG engineering .At present brand-new equipments and materials are increasingly utilized in TEG dehydration unit ,such as high-efficiency structured packing ,electric gear pump ,energy exchange pump and welded plate heat exchanger etc .关键词
天然气/TEG/脱水/Drizo工艺/惰气气提/水露点/水含量Key words
natural gas/TEG/dehydration/Drizo process/inert gas stripping/water dew point/water content分类
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陈赓良..天然气三甘醇脱水工艺的技术进展[J].石油与天然气化工,2015,44(6):1-9,9.
