J
Jiawen Cai
Researcher at China University of Mining and Technology
Publications - 28
Citations - 594
Jiawen Cai is an academic researcher from China University of Mining and Technology. The author has contributed to research in topics: Coal & Spontaneous combustion. The author has an hindex of 10, co-authored 23 publications receiving 262 citations.
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Risk forecasting for spontaneous combustion of coals at different ranks due to free radicals and functional groups reaction
TL;DR: In this paper, the reaction mechanism of spontaneous coal combustion and the indicators for forecasting this risk, reaction characteristics of free radicals and functional groups during low-temperature oxidation of coal with different ranks were analyzed by electron spin resonance and Fourier transform infrared (FTIR) spectroscopy.
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The characterization of free radical reaction in coal low-temperature oxidation with different oxygen concentration
Buzhuang Zhou,Shengqiang Yang,Chaojie Wang,Xincheng Hu,Wanxin Song,Jiawen Cai,Qin Xu,Naiwen Sang +7 more
TL;DR: In this paper, the oxygen concentration of airflow was dynamically adjusted to simulate the natural oxidation of coal at different depths in goaf with the aid of a self-built simulation experiment system of low-temperature coal oxidation.
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Forecast of coal spontaneous combustion based on the variations of functional groups and microcrystalline structure during low-temperature oxidation
TL;DR: In this article, a low-temperature oxidation of coals with different metamorphic degrees was analyzed based on the gas chromatographic analysis of gas products and the FTIR determination of oxidized coal samples.
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Free Radical and Functional Group Reaction and Index Gas CO Emission during Coal Spontaneous Combustion
TL;DR: In this article, the authors explored the reaction mechanism of the low-temperature oxidation of coal and the law of active groups producing CO through oxygenolysis, and analyzed the reaction characteristics of free...
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Low-temperature oxidation of free radicals and functional groups in coal during the extraction of coalbed methane
TL;DR: In this paper, the low-temperature oxidation of coal in an air flow containing coalbed methane (CBM) was analyzed based on the oxidation reaction of free radicals and functional groups.