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《溢油分散剂对原油指纹影响的t检验分析.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2016年1月西安石油大学学报(自然科学版)Jan.2O16第3l卷第1期JournalofXiallShiyouUniversity(NaturalScienceEdition)V01.31No.1文章编号:DOI:10.3969/j.issn.1673-064X.2016.O1.018中图分类号:X55文章编号:16734)64X(2016)01-0110-06文献标识码:A溢油分散剂对原油指纹影响的t检验分析王巧敏,孙冰,初庆娣,严志宇,刘慧,朱小梅,于颖(大连海事大学环境科学与工程学院,辽宁大连11
2、60~)摘要:以海鸥4号分散剂和华北原油的混合物为对象,采用t检验比较法研究基于诊断比值的油指纹鉴别,旨在考察溢油分散剂对原油指纹的影响。首先,对分散荆及4个油样的GC—FID气相谱图进行比较,表明分散剂的加入会影响原油的谱图;然后,对油样中正构烷烃(包括姥鲛烷和植烷)的相对含量分布进行研究,结果显示分散剂的加入改变了原油中正构烷烃(包括姥鲛烷和植烷)相对含量的分布,且影响明显;最后,采用t检验法对两两油样进行鉴别比较,发现添加不同量分散剂的原油与初始原油之间及它们彼此之间的指纹均不一致。诊断比Cl7/Pr
3、和Cl8/Ph受分散剂的影响最大,Pr/Ph和C。,/Ct8受分散荆影响较小,而(c23+C25+C27+C29)/(C24+C26+C28+C3o)和(Cl94-C20)/(CI9+C加+C2I+C笠)受分散荆影响最小。因此,溢油指纹鉴定需要考虑分散剂的影响。关键词:溢油分散剂;油指纹;t检验T-testAnalysisofCrudeOilFingerprintImpactedbyDispersantWANGQiaomin,SUNaing,CHUQii,YANZldyu,LIUHui,ZHUXiaomei
4、,YUYing(CollieofEitalScienceandEIIgjn啦,DalianMaritimeUniversity,Dalianl16026,ti~oning,China)Abstract:Theresearch0bjeclsarethemixtureofHuabeicrudeoilwithIhiou4#dispersant,andtheiroilfingerprintidentificationbasedondiagnosisratiosWaSfinishedbyt-t~tanalysisto
5、studytheefectofthedispersantonerodeoilfingerprint.Firstly,GC—F1Dchro~ofdispersantand4oilsamplesarecImlpaIed,andthecomparisonresultshowsthattheadditionofdispersantwillinflu—e眦ethechro~of删deoil.Secondly,therelativeemllentofthen-alkanes(includingpristaneandph
6、ytane,PrandPh)in4oilsamplesisstudied,andtheresultindicatesthattheadditionofthedispersantwillcha~etheginalrelativecontentdistributionofthefI.alkalies(includingPrandrh)incrudeoil,andtheinfluenceisextraordinarilyobvious.Finally,eachtwosamplesarecomparedbyt—te
7、st,armtheresultsmanifestethatthefingerprintsof4oilsamples~adingdiferentamountofdispersantarediferenteachother,andtheyarediferentfromthe血学砷ofHuabeicrudeoil.TheeffectsofthedispersantonCI7/PrandCI8/Pharethegreatest,theinflu一咖cesofitonPr/l~andCI7/CI8aregreater
8、,anditsinfluencesOil(C+C25+C27十C凹)/(C24+C26+c28+C30)and(Cl9+C如)/(Cl9+c加++c丑)aretheleast.Therefore,theefectofdispersantonoilspillfingerprintidentificationneedstobeconsidered.K呵words:oilspilldispersant;oilfinge
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