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1、第45卷第4期當代化工Vo1．45，No．42016年4月ContemporaryChemicalIndustryApirl，2016EG聚醚與助劑復(fù)配破乳劑的破乳性能張瑾，張謀真，劉麗，劉啟瑞，席凡，付豪杰，李七一，權(quán)樂樂，杜科科(陜西省化學(xué)反應(yīng)工程重點實驗室，延安大學(xué)，化學(xué)與化工學(xué)院，陜西延安716000)摘要：為解決陜北原油采出液現(xiàn)用破乳劑用量大、脫水率低、污水含油和懸浮物多、中間層厚的問題，用聚醚EG與多種助劑復(fù)配，對陜北子長和河莊坪原油進行脫水試驗，并測定凈化油的含鹽量、含水量及污水含油量
2、。實驗結(jié)果表明：對子長原油，破乳劑總用量200mg-L～，脫水溫度65℃，脫水時間6h時，EG與R18CJL復(fù)配脫水率最高，達到98．3％，凈化油含鹽量0．2807mg·L～，凈化油含水量0．00mg·L～，污水含油量339．3mg·L～；對河莊坪原油，EG單劑用量為100mg·L。。，脫水溫度55℃，脫水時間6h時，脫水率達98．7o／o．凈化油含鹽量0．2674mg·L～，凈化油含水量O．00mg·L～，污水含油量28．0mg·L～。且兩種原油脫水后均懸浮物少，界面齊。關(guān)鍵詞：原油；復(fù)配破乳劑；
3、助劑；陜北油田中圖分類號：0647文獻標識碼：A文章編號：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．a(chǎn)nddemulsifierconcentrationwas200mg·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
