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Microscopic experimental study on the effects of NaCl concentration on the self-preservation effect of methane hydrates under 268.15 K
《Chinese Journal of Chemical Engineering》2024年第9期1-14,共14页Yu-Jie Zhu Yu-Zhou Chen Yan Xie Jin-Rong Zhong Xiao-Hui Wang Peng Xiao Yi-Fei Sun Chang-Yu Sun Guang-Jin Chen 
financial support received from the Basic Research Program of Qinghai Province(2023-ZJ-703);the National Natural Science Foundation of China(22178379,42206223);the National Key Research and Development Programof China(2021YFC2800902)is gratefully acknowledged.
It is known that salt ions are abundant in the natural environment where natural gas hydrates are located;thus,it is essential to investigate the self-preservation effect of salt ions on methane hydrates.The dissociat...
关键词：Gas hydrate SELF-PRESERVATION SALINITY In situ Raman spectroscopy Endothermic behavior DISSOCIATION 
Experimental and modeling study of the kinetics of methane hydrate formation and dissociation被引量：1
《Chinese Journal of Chemical Engineering》2021年第1期365-374,共10页Vafa Feyzi Vahid Mohebbi 
In this work,several experiments were conducted at isobaric and isothermal condition in a CSTR reactor to study the kinetics of methane hydrate formation and dissociation.Experiments were performed at five temperature...
关键词：Methane hydrate KINETICS FORMATION DISSOCIATION Mass transfer 
Metastable state of gas hydrate during decomposition: A novel phenomenon被引量：2
《Chinese Journal of Chemical Engineering》2020年第4期949-954,共6页Ronghui Sun Zhen Fan Lei Yang Yuanping Li Xin Lü Yang Miao 
supported by the National Key R&D Program of China(Grant Nos.2018YFC0310006 and 2017YFC0307300);the National Natural Science Foundation of China(Grant Nos.51806027 and 51890911);PetroChina Innovation Foundation。
Natural gas hydrates are solid compounds with cage-like structures formed by gas and water.An intriguing phenomenon that gas hydrates can dissociate at a low rate below the ice freezing point has been viewed as the me...
关键词：HYDRATES DISSOCIATION METASTABILITY SELF-PRESERVATION SUPERSATURATION 
Evidence for pore-filling gas hydrates in the sediments through morphology observation
《Chinese Journal of Chemical Engineering》2019年第9期2081-2088,共8页Wenxiang Zhang Shuanshi Fan Yanhong Wang Xuemei Lang Kai Guo Jianbiao Chen 
Supported by the National Key Research and Development Program(2016YFC0304006,2017YFC0307302,2017YFC0307303);the National Natural Science Foundation of China(51576069,51876069);the China Postdoctoral Science Foundation(2018M633052);the Fundamental Research Funds for the Central Universities(D2182630)
To provide an evidence of natural gas hydrate occurrence state,a series of experiments on multiple growth and dissociation of 90.0%methane/10.0%propane hydrates at 1.3 MPa and 270.15 K were carried out in two sediment...
关键词：Gas HYDRATE SEDIMENTS Growth DISSOCIATION Pore-filling 
Dissociation characteristics of methane hydrate using depressurization combined with thermal stimulation被引量：6
《Chinese Journal of Chemical Engineering》2019年第9期2089-2098,共10页Mingjun Yang Zhanquan Ma Yi Gao Lanlan Jiang 
Supported by the National Natural Science Foundation of China(51436003,51822603,51576025);the National Key Research and Development Program of China(2017YFC0307303,2016YFC0304001);the Fok Ying Tong Education Foundation for Young Teachers in the Higher Education Institutions of China(161050);the Fundamental Research Funds for the Central Universities of China(DUT18ZD403)
Methane hydrate is considered as a potential energy source in the future due to its abundant reserves and high energy density.To investigate the influence of initial hydrate saturation,production pressure,and the temp...
关键词：METHANE HYDRATE DEPRESSURIZATION Thermal STIMULATION DISSOCIATION characteristics 
Methane hydrate formation and dissociation behaviors in montmorillonite被引量：4
《Chinese Journal of Chemical Engineering》2019年第5期1212-1218,共7页Kefeng Yan Xiaosen Li Zhaoyang Chen Yu Zhang Chungang Xu Zhiming Xia 
Supported by the Key Program of National Natural Science Foundation of China(51736009);the Natural Science Foundation of Guangdong Province of China(2017A030313301);the Special project for marine economy development of Guangdong Province(GDME-2018D002);the National Key R&D Program of China(2016YFC0304002,2017YFC0307306);the Science and Technology Apparatus Development Program of the Chinese Academy of Sciences(YZ201619);the National Natural Science Foundation of China(51476147,51879254);the Frontier Sciences Key Research Program of the Chinese Academy of Sciences(QYZDJ-SSW-JSC033)
The methane hydrate formation and the methane hydrate dissociation behaviors in montmorillonite are experimentally studied. Through the analyses of the microstructure characteristic, the study obtains the porous chara...
关键词：METHANE HYDRATE POROUS media Formation/dissociation behavior Molecular dynamics simulation 
Reaction mechanism of methyl nitrite dissociation during co catalytic coupling to dimethyl oxalate:A density functional theory study被引量：5
《Chinese Journal of Chemical Engineering》2016年第1期132-139,共8页Chen Fan Man Luo Wende Xiao 
Supported by the National Natural Science Foundation of China(21303102);China Postdoctoral Science Foundation funded project(2012M520900 and 2013T60449)
Dissociation of methyl nitrite is the first step during CO catalytic coupling to dimethyl oxalate followed by hydrogenation to ethyl glycol in a typical coal to liquid process. In this work, the first-principle calcul...
关键词：Methyl nitrite Catalytic Non-catalytic Dissociation Density functional theory 
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