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Petroleum Science and Technology Volume 34, 2016 - Issue 21
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Original Articles

Solvent deasphalting of Saudi residue to produce 30# hard asphalt

Yujun TongState Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, China
,
Benxian ShenState Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, ChinaCorrespondence[email protected]
,
Jichang LiuState Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai, China
&
Aimin NingFushun Research Institute of Petroleum and Petrochemicals, SINOPEC, Fushun, China
Pages 1777-1782 | Published online: 06 Dec 2016
 
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ABSTRACT

30# asphalts produced directly by de-oiled asphalt (DOA) showed poor ductility at low temperature and deasphalted oil (DAO) yield was below 17.6%. Combination technology of solvent deasphalting and blending was investigated to produce 30# asphalt and results demonstrated that the 30# blended asphalt with Saudi residue and DOA prepared under conditions of temperature of 105°C, pressure of 4.0 MPa, and solvent/VR ratio of 5 conformed to GB/T 15180–2010 and its asphalt mixture had excellent rutting resistance and water stability performance; meanwhile, DAO yield reached 42.7% and good quality DAO satisfied the feedstock requirement for catalytic cracking process.

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