EG聚醚与助剂复配破乳剂的破乳性能.pdf

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1、第45卷第4期当代化工Vo1．45，No．42016年4月ContemporaryChemicalIndustryApirl，2016EG聚醚与助剂复配破乳剂的破乳性能张瑾，张谋真，刘丽，刘启瑞，席凡，付豪杰，李七一，权乐乐，杜科科(陕西省化学反应工程重点实验室，延安大学，化学与化工学院，陕西延安716000)摘要：为解决陕北原油采出液现用破乳剂用量大、脱水率低、污水含油和悬浮物多、中间层厚的问题，用聚醚EG与多种助剂复配，对陕北子长和河庄坪原油进行脱水试验，并测定净化油的含盐量、含水量及污水含油量

2、。实验结果表明：对子长原油，破乳剂总用量200mg-L～，脱水温度65℃，脱水时间6h时，EG与R18CJL复配脱水率最高，达到98．3％，净化油含盐量0．2807mg·L～，净化油含水量0．00mg·L～，污水含油量339．3mg·L～；对河庄坪原油，EG单剂用量为100mg·L。。，脱水温度55℃，脱水时间6h时，脱水率达98．7o／o．净化油含盐量0．2674mg·L～，净化油含水量O．00mg·L～，污水含油量28．0mg·L～。且两种原油脱水后均悬浮物少，界面齐。关键词：原油；复配破乳剂；

3、助剂；陕北油田中图分类号：0647文献标识码：A文章编号：1671—0460(2016)04—0665～03DemulsifyingAbilityofCombinationalDemulsifiersofEGandAdditivesZHANGJinZHANGMou-zhen．LIULi．LIUQt一}{．ⅪFanFUHao-jie．L1Qi-yi,QUANLe—le．DUKe—Ice(ShaanxiKeyLaboratoryofChemicalReactionEngineering，Collegeo

4、fChemistryandChemicalEngineering，Yan’anUniversity,ShaanxiYah’an716000。China)Abstract：SeveralnewcombinationaldemulsifierscombiningpolyetherEGwithvariousadditivesareusedtosolvetheproblemsthatdemulsifieruse1evelishigh．dehydrationrateislow,thecontentofOi1a

5、ndsuspendedmatterislargeinsewageandmiddleoil—wateremultionlayeristhickfortheexistingdemulsitiersforproducedliquidofNorthShaanxioilfields．DehydrationexperimentsofthecombinationaIdemulsifierswereconductedat55℃in6handdemulsifierconcentrationwas100mg·LforH

6、ezhuangpingcrudeoil．anddemulsifierconcentrationwas200mg·L。at65℃in6hforZichangcrudeoilinNorthShaanxibybottletest．saltandwatercontentinpurifiedoi1andoilcontentinsewageweremeasuredatsametime．Asaresult，forZichangcrudeoil，thedehydrationrateofcombinationalde

7、mulsifiersis98．3％．saltcontentinpurifedoi1is0．2807mg·L～．watercontentinpurifiedoilis0．00mgLandoilcontentinsewageis339．3mgLI1whenusingEGcombinedwithR18CJL；andforHezhuangpingcrudeoil．thedehydrationrateofcombinationaldemulsifiersis98．7％whenonlyusingEGTherei

8、s0．2647mg·Lsaltcontentinpurifiedoi10．00mg·Lwatercontentinpurifiedoil_28．0mg·L-1oilcontentinsewage．Andthereisnosuspendedmatter；interfacebetweenwater-oilishomogeneousforthetwokindsofcrudeoil．Keywords：Crudeoils；Combinationaldemulsificatior