Synergistic effects, gas evolution and ash interaction during isothermal steam co-gasification of biomass with high-sulfur petroleum coke

被引：19

作者：

Yu, Xin ^{[1
]}

Yu, Dunxi ^{[1
]}

Liu, Fangqi ^{[1
]}

Han, Jingkun ^{[1
]}

Wu, Jianqun ^{[1
]}

Xu, Minghou ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, State Key Lab Coal Combust, 1037 Luoyu Rd, Wuhan 430074, Peoples R China

来源：

ENERGY | 2022年 / 240卷

基金：

中国国家自然科学基金;

关键词：

Co-gasification; Biomass; High-sulfur petroleum coke; Synergistic effects; ELECTRICITY-GENERATION; COKE/BIOMASS BLENDS; ENERGY-SOURCES; WOODY BIOMASS; REACTIVITY; KINETICS; TECHNOLOGY; COMBUSTION; WASTES; FUEL;

D O I：

10.1016/j.energy.2021.122840

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This work investigated the co-gasification behavior of rice straw (RS) and a high-sulfur petroleum coke (PC). An isothermal gasification experiment under a steam atmosphere was conducted on a self-designed thermogravimetry (TG) coupled with mass spectrometry (MS). The results indicate that the high sulfur content in PC seem to have no significant effect on co-gasification. RS showed obvious catalytic effect only after it was completely gasified into ash. Affected by the high concentration of steam, the main components of synthesis gas are H-2 and CO2. The RS ash presents a violent melting state, and the lower RS addition ratio only shows a strong catalytic effect in the initial stage of the reaction. The high addition ratio makes the ash particles in the liquid phase contact and react well with the PC particles, and will not inhibit the gasification of the PC particles before the PC particles are completely wrapped. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：10

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