{"title":"Preparation and Application of New Demulsifier for Dirty Oil Sludge","authors":"Li Wu, Lihua Li, Yinglu Yang, Cong Sheng, Xian Wu","doi":"10.3969/J.ISSN.1006-396X.2021.04.005","DOIUrl":null,"url":null,"abstract":"In this study, a demulsifier DW1 was prepared by emulsion copolymerization.The demulsifier DW1 was characterized by FT-IR spectroscopy, gel permeation chromatography (GPC), 1H-NMR, 13C-NMR and particle size analysis.The demulsification experiment using DW1 as demulsification system was carried out with Xinjiang sludge as the target treatment object, and the sludge before and after treatment was analyzed by Scanning electron microscopy.The results showed that the synthetic demulsifier DW1 had weight-average molecular weights (Mw) of rang from 454319 to 1388086 and number-average molecular weights (Mn) of 801880, molecular weight distribution index of 1.73104, D50 of 26.00 µm, average particle size of 25.00 µm, non-uniform particle size distribution, and good stability of DW1.The demulsification experiment shows that the oil removal rate of DW1 on a Xinjiang oil field can reach 99.55%.","PeriodicalId":39257,"journal":{"name":"Shiyou Huagong Gaodeng Xuexiao Xuebao/Journal of Petrochemical Universities","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Shiyou Huagong Gaodeng Xuexiao Xuebao/Journal of Petrochemical Universities","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.3969/J.ISSN.1006-396X.2021.04.005","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Energy","Score":null,"Total":0}
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Abstract
In this study, a demulsifier DW1 was prepared by emulsion copolymerization.The demulsifier DW1 was characterized by FT-IR spectroscopy, gel permeation chromatography (GPC), 1H-NMR, 13C-NMR and particle size analysis.The demulsification experiment using DW1 as demulsification system was carried out with Xinjiang sludge as the target treatment object, and the sludge before and after treatment was analyzed by Scanning electron microscopy.The results showed that the synthetic demulsifier DW1 had weight-average molecular weights (Mw) of rang from 454319 to 1388086 and number-average molecular weights (Mn) of 801880, molecular weight distribution index of 1.73104, D50 of 26.00 µm, average particle size of 25.00 µm, non-uniform particle size distribution, and good stability of DW1.The demulsification experiment shows that the oil removal rate of DW1 on a Xinjiang oil field can reach 99.55%.
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