supported by the National Natural Science Founda-tion of China(Nos.51776073,51906083);Key Research&Develop-ment program of Henan Province(No.162102210233);North China University of Water Resources and Electric Power Innovative Project(Nos.2019XA014,2019XB058);Scientific Research&Development Project of Ji-Yan Energy Science and Technology Research Institute(NKY2020-05).
Calcium sulfate(CaSO_(4))has been verified as a promising oxygen carrier(OC)in the chemical looping combustion(CLC)for its high oxygen capacity,abundant reserve and low cost,but its low reactivity and deleterious sulf...
Financial support for this project were provided by National Natural Science Foundation of China(No.21666016);National Key Research and Development Program of China(2018YFC1900200);State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering(2021-K39)。
Phosphogypsum(PG)is a solid waste produced in the wet process of producing phosphoric acid.Lignite is a kind of promising chemical raw material.However,the high sulfur of lignite limits the utilization of lignite as a...
supported by the National Natural Science Foundation of China(21536009);Science and Technology Plan Projects of Shaanxi Province(2017ZDCXL-GY-10-03)。
The structure and composition of coal determine its fast pyrolysis characteristics,and the study of the relationship between them can play an important role in the efficient and clean utilization of coal.So,in this wo...
Supported by the Key Project of Joint Fund from National Natural Science Foundation of China and the Government of Xinjiang Uygur Autonomous Region(U1503293);the National Key Research and Development Program of China(2018YFB0604602);the Priority Academic Program Development of Jiangsu Higher Education Institutions.
Soluble portions(SPs) 1-4(SP1-SP4) were afforded from sequentially dissolution and alkanolyses of Baiyinhua lignite(BL) in cyclohexane,CH3OH,CH3CH2OH,and(CH3)2CHOH at 300℃.They were analyzed with a gas chromatograph/...
Supported by the Innovation Reasearch Groups of the National Natural Science Foundation of China(51621005);EPSRC from the UK.
The yield of tar and syngas has been investigated by catalytic pyrolysis of Pingzhuang lignite(PZL)over Ca(OH)2 catalyst in temperature range of 600℃-1000℃in a tube furnace.The results show that the yield of volatil...
Supported by the National Natural Science Foundation of China(51704292,51774285);the China Postdoctoral Science Foundation(2016M601919);the National Key R&D Program of China(2016YFB0600401);the Fundamental Research Funds for the Central Universities(2017QNA25,CPEUKF1704)
The drying processes are always applied prior to the transportation or utilization of lignite, and result in notable changes in the stabilities of lignite. In this paper, the study on the effects of nitrogen and MTE d...
Supported by the National Natural Science Foundation of China(51621005);the Fundamental Research Funds for the Central Universities(2017FZA4013)
The surface functional groups and pyrolysis characteristics of lignite irradiated by microwave were comparatively studied to evaluate the feasibility of using industrial 915 MHz for lignite drying. The drying kinetics...
Supported by the Fundamental Research Funds for the Central Universities(2017XKQY066)
The aim of this paper is to analyze the change in the active structure of lignite during the process of lowtemperature oxidation by constructing a molecular structure model for lignite. Using quantum computation combi...
Supported by the National Natural Science Foundation of China(51204179,51204182);the Natural Science Foundation of Jiangsu Province,China(BK20141242)
This work aimed at studying the feasibility of calculating the coal-oxygen diffusion properties during the low temperature oxidation process of lignite so as to predict its spontaneous combustion process. Coal samples...
Supported by the National Science Foundation of China(Nos.21566029,21566028and 21266017)
The effect of pyrolysis on the microstructure and moisture adsorption of lignite was investigated with low field nuclear magnetic resonance spectroscopy. Changes in oxygen-containing groups were analyzed by Fourier tr...