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The development of pollution control technology in coal combustion in China

XU Xuchang, ZHANG Hu, ZHUO Yuqun, TONG Huiling, WANG Shujuan, LI Yan

《能源前沿（英文）》 2007年第1卷第1期页码 9-15 doi: 10.1007/s11708-007-0002-1

摘要： The recent development of coal combustion pollution control technologies in China, including desulphurization, denitrification, particulate matters and heavy metals emission control technologies, have been reviewed. The development histories and the advantages of China s self-developed technologies have been introduced in detail. The key points of future research and development in coal combustion pollution control, e.g., combined emission control and CO emission control technologies, have also been discussed.

关键词： development CO emission desulphurization future research emission

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Sulfidation/regeneration multicycle testing of nickel-modified ZnFe

Wei LI, Jinju GUO, Jiejie HUANG, Jiaotao ZHAO

《化学科学与工程前沿（英文）》 2010年第4卷第4期页码 435-440 doi: 10.1007/s11705-010-0506-9

摘要： A commercial metal oxide sorbent for the desulphurization of coal-derived gas requires high desulphurization reactivity, mechanical strength, ability to regenerate, and stability to endure many sulfidation-regeneration cycles. In this paper, the sulfur capacity and multiple cycles of a nickel-modified ZnFe O sorbent prepared by the sol-gel auto-combustion method were measured in a fixed-bed reactor at middle temperature of 300°C (sulfidation temperature) and 500°C (regeneration temperature). Also, the BET surface area, pore volume, average pore diameter and X-ray diffraction (XRD) patterns of the sorbent through multicycles were studied. Multicycle runs indicate that the sulfidation reactivity decreases slightly during the second cycle and keeps steady in the following cycles. The results indicate that the nickel-modified ZnFe O keeps high reactivity and structural stability in the multicycle testing of sulfidation/regeneration.

关键词： hot gas desulphurization nickel-modified ZnFe₂O₄ sulfidation/regeneration