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Removal of the South China Sea crude oil extraction process of naphthenic acid

0wawenumbem-Figure 6 IR 35003000250020001500w naphthenate straight uenu commercial port nbeDd Figure 7 IR naphthenate can be seen from Figure 6, in 1707cmI1 Department has a strong absorption peak for the carboxylic acid carbonyl absorption; in Figure 7 1707cmI1 at the carboxylic acid carbonyl absorption peaks almost disappeared, while at the 1740cm carbonyl carboxylates has strong absorption peak, 1456cm and 1435cm at the absorption peak of the methylene deformation vibration peak. Illustrate the material for the naphthenic acid,GHD glätteisen günstig, and high purity, processed refined, higher purity of naphthenic acid can be obtained . 3 Conclusions (1) In a typical experiment,ugg stiefel, the LES acid extraction test device off with the LES-I extractant can be high acid crude oil acid value dropped to the South China Sea 0.5mgKOH / g less, and can be extracted from crude oil naphthenic acid by-products, the acid in the 150mgKOH / g or so. (2) extractant can be recycled, even after repeated extraction deacidification good, there are good prospects. References 1 Wang Huidong, PROJECTILES pull. Straight-run oil in the oil separation and recovery process of acid research [J]. Petroleum Processing and Petrochemicals, 1995,26 (2) :25-282 Lu Dongmei. Atmospheric and vacuum distillation unit by the second and third line of the pump and improvement of the corrosion [J]. Petrochemical Corrosion and Protection. 1999.16 (4) :12-203 Cui Yi, Huang Xinlong, Wang Longyan and so on. Low-grade gas oil refining process and the inhibition of the oxidation of furfural method [J]. Petroleum refining and chemical industry. 2002,ugg botas,33 (10); II a 154 Hu Yang, Xue Guangting. High-acid crude oil processing equipment Advances for Corrosion and Protection [J]. Petrochemical Corrosion and Protection, 2OO4,ugg boots sale, 21 (4): 5 -85JanSkippins. Corrosion-mitigationprogramimpmv ~ economicsforprocessingnaphthenicetudes. oil & GasJoumal, 2OOO, 98 (37): 646 Ren Xiaoguang, Qi Liang, Yong-Ji Song and so on. Ammonia complex solvent extraction of naphthenic acids in crude oil with high acid value of laboratory research [J]. Petroleum Processing and Petrochemicals, 2O04, 35 (11) :37-417 Liu Yang Long, Song-Bai Tian. Fan Xue Zhi and so on. Penglai initial boiling point of 350 ℃ oil fractions of petroleum acids in the structure and composition [J]. Petroleum Technology. 2003. 19 (6) :40-45ProcessResearchforRemovingNaphthenicAcidfromNanhaiCrudebyExtractionWangGuibin,ghd styler, WangGuoliang, JiangKaiCollegeofChemicalandEnvironmentalScienceofHenanNormalUniversity (Xinxiang, Henan453002) WangGuoliang. 'AnLuoyangPetrochemicalEngineeringCorporation (Luoyang, Henan471003) Abstract: TheprocessforremovingacidfromNanhalCrudeusingLES a 1extractionsolventisstudiedonLESextractionpilotplant. Thetestsresultshaverevealedthat, undertypicalprocessconditions, theacidvalueofhighacidiccrudeCallbereducedtolessthan0 .5mgKOH/gfrom2.80mgKOH/g. Theextxaetionsolventcanberecycledafterdistillationandcrudenaphthenieacidisproduceda8by-product. Keywords: Acidremovalbyextraction, crudeoii, naphthenicacid, extractionsolvent
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