Technical review on flexible processing middle distillate for achieving maximum profit in China

IF 0.125 Applied Petrochemical Research Pub Date : 2017-11-13 DOI:10.1007/s13203-017-0187-0

Zhanquan Zhang, Wei Zhang, Yalin Zhang, Dewei Ji, Haiyan Jin, Gang Wang, Zhihua Zhang

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引用次数: 6

Abstract

Currently, refining business is?experiencing a transformation from refining to chemical business, or integration of refining and chemical business due to the slow economic growth, and decreased demand of clean fuels, particularly diesel product. Diesel products are over-supplied based on the consumption data in China. Refineries are pursuing technologies that could reduce diesel output, particularly the inferior light cycle oil (LCO) fraction. Herein, this article mainly describes the industrialized technologies for LCO processing such as LCO upgrading, LCO blending into available?plants such as fluid catalytic cracking (FCC), and hydro-refining/treating unit, LCO moderate hydrocracking, and LCO to aromatics and gasoline with the integration of selective hydro-refining and optimized FCC. It is figured out that the LCO moderate hydrocracking can provide more gasoline at the expense of high H₂ consumption, while LCO to aromatics and gasoline (LTAG) technology needs more steps for clean fuel production and retrofitting of FCC plant. Based on the analyses of current technologies, it is suggested that implementation of such technologies should consider the configuration of refineries, as well as the benefit of employed technologies instead of realizing the target for decreasing diesel product unilaterally.

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国内实现利润最大化的中间馏分柔性加工技术综述

目前，炼油业务是?由于经济增长缓慢，清洁燃料特别是柴油产品的需求减少，正在经历从炼油业务向化工业务的转型，或炼油和化工业务的整合。从中国的消费数据来看，柴油产品是供过于求的。炼油厂正在寻求能够减少柴油产量的技术，特别是劣质轻循环油(LCO)馏分。本文主要介绍了LCO的工业化加工技术，如LCO升级、LCO掺入可用的?催化裂化装置(FCC)、加氢精制/处理装置、LCO中度加氢裂化装置、选择性加氢精制和优化FCC相结合的LCO制芳烃和汽油装置。结果表明，LCO中速加氢裂化可以以较高的H2消耗为代价提供更多的汽油，而LCO制芳烃和汽油(LTAG)技术在清洁燃料生产和FCC装置改造方面需要更多的步骤。在对现有技术进行分析的基础上，建议在实施这些技术时应考虑炼油厂的配置以及所采用技术的效益，而不是单方面实现减少柴油产品的目标。

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来源期刊

Applied Petrochemical Research ENGINEERING, CHEMICAL-

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Applied Petrochemical Research is a quarterly Open Access journal supported by King Abdulaziz City for Science and Technology and all the manuscripts are single-blind peer-reviewed for scientific quality and acceptance. The article-processing charge (APC) for all authors is covered by KACST. Publication of original applied research on all aspects of the petrochemical industry focusing on new and smart technologies that allow the production of value-added end products in a cost-effective way. Topics of interest include: • Review of Petrochemical Processes • Reaction Engineering • Design • Catalysis • Pilot Plant and Production Studies • Synthesis As Applied to any of the following aspects of Petrochemical Research: -Feedstock Petrochemicals: Ethylene Production, Propylene Production, Butylene Production, Aromatics Production (Benzene, Toluene, Xylene etc...), Oxygenate Production (Methanol, Ethanol, Propanol etc…), Paraffins and Waxes. -Petrochemical Refining Processes: Cracking (Steam Cracking, Hydrocracking, Fluid Catalytic Cracking), Reforming and Aromatisation, Isomerisation Processes, Dimerization and Polymerization, Aromatic Alkylation, Oxidation Processes, Hydrogenation and Dehydrogenation. -Products: Polymers and Plastics, Lubricants, Speciality and Fine Chemicals (Adhesives, Fragrances, Flavours etc...), Fibres, Pharmaceuticals.