Coal is the dominant primary energy source in China and the major source of greenhouse
gases and air pollutants. To facilitate the use of coal in an environmentally satisfactory and …

Catalytic upgrading of coal pyrolysis tar was investigated in a dual-stage reactor over char
and metal-impregnated char (Co-char, Ni-char, Cu-char, Zn-char). The catalytic upgrading …

Thermochemical conversion of fuels via pyrolysis/carbonization, cracking, gasification and
combustion has to involve a number of individual reactions called attribution reactions to …

The catalytic gasification of char from co-pyrolysis of coal and wheat straw was studied.
Alkali metal salts, especially potassium salts, are considered as effective catalysts for carbon …

Coal pyrolysis tar was in-site upgraded in a fixed-bed reactor over char and activated carbon
(AC) catalysts, and the effects of catalysts and temperature on tar upgrading were examined …

To utilize the coal direct liquefaction residue (DLR) and improve the tar yield and quality,
experimental studies on co-pyrolysis of lignite and DLR were conducted with a fixed-bed …

通过煤热解技术获取紧缺的油气资源是低阶煤清洁利用的有效途径之一. 针对煤热解工艺存在
焦油产率与品质难以控制以及焦油中粉尘含量高等关键技术问题, 从煤的热解反应机理出发 …

Several reactions parallel happened during co-pyrolysis of coal and biomass, such as
primary volatiles of coal and biomass will contact and react with the nascent char from coal …

HY zeolite is modified by hydrothermal and HNO 3 treatment and used as the catalyst to
upgrade Baiyinghua pyrolysis volatiles on a fixed-bed reactor at 600° C. The results show …

Coal topping gasification refers to a process that extracts the volatiles contained in coal into
gas and tar rich in chemical structures in advance of gasification. The technology can be …