Petroleum Refinery Engineering ›› 2021, Vol. 51 ›› Issue (7): 9-13.

• PROCESSING • Previous Articles     Next Articles

Effect of blending furfural extract oil into vacuum residue on propane deasphalting process

Shan Shufeng1,3, Xie Ying1, Yang Hailan2, Chen Hong1, Chen Feifei1, Fan Qinzhen1, Yu Wei4   

  1. 1. College of Chemical Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000;
    2. SINOPEC Maoming Petrochemical Company, Maoming, Guangdong 525000;
    3. Key Laboratory of Inferior Crude Oil Processing of Guangdong Provincial Higher Education Institutes, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000;
    4. The University of Auckland, Auckland 1010, New Zealand
  • Received:2021-02-12 Revised:2021-06-01 Online:2021-07-15 Published:2021-11-16

减压渣油混炼糠醛抽出油对丙烷脱沥青工艺的影响*

单书峰1,3, 谢颖1**, 杨海兰2, 陈宏1, 陈菲菲1, 范钦臻1, 于巍4   

  1. 1.广东石油化工学院化学工程学院,广东省茂名市 525000;
    2.中国石油化工股份有限公司茂名分公司,广东省茂名市 525000;
    3.广东石油化工学院劣质油加工广东省普通高校重点实验室,广东省茂名市 525000;
    4.奥克兰大学,新西兰奥克兰 1010
  • 通讯作者: **谢颖,教授。联系电话:13926701766, E-mail:mmcxieying@163.com。
  • 作者简介:单书峰,讲师,博士,从事石油加工工艺研究。联系电话:18038957980, E-mail:shanshufeng1@163.com。
  • 基金资助:
    *国家自然科学基金项目(21961160741);广东石油化工学院人才引进项目(2017rc02);中国石油化工股份有限公司茂名分公司科技计划项目(MPBB170013YJK402 );广东石油化工学院青年创新人才培育项目(2017qn25);茂名市科技计划项目(2018022 & 2019400);广东省普通高校青年创新人才项目(2018KQNCX158);广东省基础与应用基础研究基金(2020A1515110729);广东石油化工学院实验课题研究项目(219010);广东省低碳化学与过程节能重点实验室开放基金;广东省基础与应用基础研究基金项目(2020A1515010478)。

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Abstract: In order to improve the yield of bright stock, a method of blending furfural extract oil (FEO) into vacuum residue (VR) to enhance propane deasphalting process is proposed. Two VRs, two FEOs and VRs blended with FEO are analyzed by four fractions, Conradson carbon residue and viscosity. A pilot test of propane deasphalting of VRs blended with different FEO ratios is carried out. The results show that blending FEO affected the physical properties and composition of VR. Blending FEO 1/FEO 2 into Oman VR (Feed 1) can increases the yield of light deasphalted oil (LDAO), while the LDAO yield with blending FEO 1/FEO 2 into Saudi Arabia VR (Feed 2) is reduced or slightly increased. This may be due to the lower colloidal stability of Feed 1 compared to Feed 2. The viscosity and colloidal stability of VR jointly determine the yield of LDAO and HDAO (heavy deasphalted oil). In addition, compared with the yield of raffinate oil from furfural refining of LDAO (9.00%) obtained from Feed 1, the yield of LDAO (10.66 %)obtained from Feed 1 blended with 20 % FEO 2 is improved. Under certainprocess conditions, the optimal ratio of blending FEO into Feed 1 is determined.

Key words: propane deasphalting, vacuum residue, extract oil from furfural refining, colloidal stability, deasphalted oil yield

摘要： 为提高光亮油产率,提出了一种掺入糠醛抽出油FEO以强化丙烷脱沥青过程的方法。对两种减压渣油(VR)、两种FEO及掺入FEO的VR进行了四组分、康氏残炭及黏度性质分析。对掺入不同比例FEO的VR进行了丙烷脱沥青中试试验,研究结果表明,FEO的掺入影响了VR的密度、黏度、残炭值及组成。对于阿曼减渣(Feed 1),掺入FEO 1/FEO 2均可提高轻脱沥青油(LDAO)收率;对于沙轻减渣(Feed 2),掺入FEO 1/FEO 2降低或者略微增大了LDAO收率。这可能是由于相比于Feed 2,Feed 1的胶体稳定性较低,VR的黏度和胶体稳定性共同决定了LDAO,HDAO的收率。此外,相比于Feed 1所得LDAO的糠醛精制油收率(9.00%),Feed 1掺入质量分数20% FEO 2所得LDAO的糠醛精制油收率有所提高。在一定的工艺条件下,确定了Feed 1掺入FEO的最佳掺入比。

关键词: 丙烷脱沥青, 减压渣油, 糠醛抽出油, 胶体稳定性, 脱沥青油收率