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- W2356551893 abstract "The geometries of asphaltene model compound I and its double layer structure ID were calculated by the quantum chemical method on the density function theory(DFT).The viscosity reducer with sulfo group had been designed and the action mechanisms for lowering viscosity and pour point by it were studied.The distance of double layer structure ID calculated ranged from 0.4097 nm to 0.4258 nm,which was close to the measurements 0.3570-0.3590 nm.Interaction energy of intermolecular calculated was-67.6 kJ/mol.It was found by the calculation that the strong hydrogen bonds between viscosity reducer and asphaltene molecules formed.At the same time,the hydrogen bonds between asphaltene molecules were destroyed.The viscosity reducer could separate the lamellar structure of asphaltene molecules,and the viscosity-reducing effect was indicated.In addition,eutectic structure between alkyl of viscosity reducer and alkyl of asphaltene formed,which resulted in disorder of crystal grow for asphaltene,and pour point depressing effect was shown.The results of lowering viscosity and pour point by the viscosity reducer showed that the viscosity-reducing ratio reached 84.62% at 80℃ when 1000 mg/L viscosity reducer added into the vicious crude oil.Under the same concentration,the pour point reduced from 32℃ to 4℃.The experiments validated the action mechanism of lowering viscosity and pour point in theory excellently." @default.
- W2356551893 created "2016-06-24" @default.
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- W2356551893 date "2010-01-01" @default.
- W2356551893 modified "2023-09-25" @default.
- W2356551893 title "Theoretical and Experimental Research on the Action Mechanism for Lowering Viscosity and Pour Point by Oil-Soluable Viscosity Reducer" @default.
- W2356551893 hasPublicationYear "2010" @default.
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