Upgrading petroleum residue by two-stage hydrocracking

被引：1

作者：

Guan, CS ^{[1
]}

Wang, ZX ^{[1
]}

Yu, SQ ^{[1
]}

Guo, AJ ^{[1
]}

Que, GH ^{[1
]}

机构：

[1] Univ Petr, State Key Lab Heavy Oil Proc, Dongying 257061, Shandong, Peoples R China

来源：

FUEL PROCESSING TECHNOLOGY | 2004年 / 85卷 / 2-3期

关键词：

hydrocracking; residue; suspended bed; two-stage reaction; model compound;

D O I：

10.1016/S0378-3820(03)00156-5

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Two-stage hydrocracking of petroleum residue consisting of hydrogenation (at low temperature) and thermocracking (at high temperature) has been investigated. Compared with one-stage reaction, two-stage reaction seems to have the following advantages: lower coke formation, higher cracking and higher removal of heteroatoms. Anthracene had been regarded as the model compound of coke precursor. After two-stage hydrocracking, about 51% of anthracene was hydrogenated at a low temperature (416 degreesC), and about 10% of the hydrogenated compound (9,10-dihydroanthracene) released the activated hydrogen which could prevent the residue from coke formation and removed the heteroatoms (i.e. sulfur and nitrogen) at a high temperature (436 degreesC). Comparison of two kinds of reactions showed that the two-Stage reaction was superior to the one-stage reaction. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：165 / 172

页数：8

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