含汞气田低压闪蒸气脱汞试验宋晓俊王洪松潘旭尹红卫刘文超马超中国石油塔里木油田公司摘要:目的筛选出适用于含汞天然气处理站低压闪蒸气的脱汞吸附剂。方法通过VMGSim软件模拟汞在天然气处理站中的分布,选取西部某含汞气田天然气处理站作为试验场地,设计建设了1套低压闪蒸气脱汞试验装置,并通过现场试验的方法测试了4种常用高压脱汞吸附剂在低压闪蒸系统中的脱汞效果。结果①采用VMGSim模拟软件模拟汞在天然气处理工艺中的分布结果与实测结果接近,对含汞天然气的设计及生产管理具有一定的指导作用;②用于高压天然气脱汞的吸附剂能满足低压闪蒸气脱汞达标排放的要求;③金属硫化物吸附剂脱汞效果明显优于活性炭吸附剂。结论筛选出了适用于低压闪蒸气脱汞的国产吸附剂,形成了低压闪蒸气脱汞工艺技术,可为低压闪蒸气脱汞工艺提供指导和借鉴。关键词:天然气;脱汞;低压闪蒸气;吸附剂;VMGSim;汞分布;金属硫化物;活性炭DOI:10.3969/j.issn.1007-3426.2023.04.002引用格式:宋晓俊,王洪松,潘旭,等.含汞气田低压闪蒸气脱汞试验[J].石油与天然气化工,2023,52(4):9-13.SONGXJ,WANGHS,PANX,etal.Experimentofmercuryremovalfromlowpressureflashvaporinmercury-containinggasfield[J].ChemicalEngineeringofOil&Gas,2023,52(4):9-13.Experimentofmercuryremovalfromlowpressureflashvaporinmercury-containinggasfieldSongXiaojun,WangHongsong,PanXu,YinHongwei,LiuWenchao,MaChaoPetroChinaTarimOilfieldCompany,Korla,Xinjiang,ChinaAbstract:ObjectiveTheaimistoscreenoutlowpressureflashvapormercuryremovaladsorbentsuitableformercury-containingnaturalgastreatmentstation.MethodsThedistributionofmercuryinnaturalgasprocessingstationwassimulatedbyVMGSimsoftware.Anaturalgastreatmentstationofamercury-containinggasfieldinwesternChinawasselectedasthetestsiteandasetofmercuryremovaltestequipmentwasdesignedandconstructed.Themercuryremovaleffectoffourkindsofcommonhighpressuremercuryremovaladsorbentsinthelow-pressureflashsystemwastestedbyfieldtest.Results(1)ThedistributionofmercurysimulatedbyVMGSimsimulationsoftwarewasclosetothemeasuredresultsinthenaturalgastreatmentprocess,whichhasacertainguidingroleforthedesignandproductionmanagementofmercury-containingnaturalgas.(2)Theadsorbentusedforhighpressurenatu...