The Experts below are selected from a list of 228 Experts worldwide ranked by ideXlab platform
K Imada - One of the best experts on this subject based on the ideXlab platform.
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Kinetic evaluation of progress in Coal Liquefaction in the 1t/d PSU for the NEDOL process
Fuel, 2000Co-Authors: K. Ikeda, Kouji Sakawaki, Kenji Inokuchi, Yoshinobu Nogami, K ImadaAbstract:Abstract A kinetic analysis of Coal Liquefaction in flow reactors of the 1 t/d Process Supporting Unit (PSU) for the NEDOL Process is reported. The Coal Liquefaction section of the PSU consists of a preheater and three Liquefaction reactors in series. Progress of Coal Liquefaction in PSU has been investigated, focussing mainly on the changes in Coal derived insoluble components through the preheater and the reactors. Summing up those results, a reaction kinetic model of Coal Liquefaction with retrogressive reaction was established and a mechanism of Coal Liquefaction in the process was elucidated.
Kouji Sakawaki - One of the best experts on this subject based on the ideXlab platform.
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The Influence of Hydrodynamics on the NEDOL Coal Liquefaction Reaction
Energy & Fuels, 2003Co-Authors: Sadao Wasaka, Kouji Sakawaki, Kenji Inokuchi, Masumi Itonaga, Mochizuki Michiharu, Keith Clark, Hirokazu Oda, Toshimitsu SuzukiAbstract:In NEDOL's 1-ton-per-day process supporting unit, a plant designed to provide support data for the NEDOL Coal Liquefaction process which has been developed up to the 150-tons-per-day scale, the hydrodynamic behavior of Coal slurry in the Coal Liquefaction reactors was observed using neutron absorption tracer equipment. The results clarified that the three reactors installed in series in the plant performed in a complete mixing mode providing sufficient contact between the liquid and hydrogen gas. It was also found that the increase of the gas feed rate resulted in the increase of liquid-phase mean residence time (MRT). This increase of MRT resulted in a decrease in the Coal Liquefaction residue yield and an increase in the Coal Liquefaction oil yield. However, the increase of the MRT did not improve the naphtha (C 4 -493 K fraction) yield because of vaporization of the light oil (493-623 K fraction) in the Coal Liquefaction reactors.
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Kinetic evaluation of progress in Coal Liquefaction in the 1t/d PSU for the NEDOL process
Fuel, 2000Co-Authors: K. Ikeda, Kouji Sakawaki, Kenji Inokuchi, Yoshinobu Nogami, K ImadaAbstract:Abstract A kinetic analysis of Coal Liquefaction in flow reactors of the 1 t/d Process Supporting Unit (PSU) for the NEDOL Process is reported. The Coal Liquefaction section of the PSU consists of a preheater and three Liquefaction reactors in series. Progress of Coal Liquefaction in PSU has been investigated, focussing mainly on the changes in Coal derived insoluble components through the preheater and the reactors. Summing up those results, a reaction kinetic model of Coal Liquefaction with retrogressive reaction was established and a mechanism of Coal Liquefaction in the process was elucidated.
Kenji Inokuchi - One of the best experts on this subject based on the ideXlab platform.
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The Influence of Hydrodynamics on the NEDOL Coal Liquefaction Reaction
Energy & Fuels, 2003Co-Authors: Sadao Wasaka, Kouji Sakawaki, Kenji Inokuchi, Masumi Itonaga, Mochizuki Michiharu, Keith Clark, Hirokazu Oda, Toshimitsu SuzukiAbstract:In NEDOL's 1-ton-per-day process supporting unit, a plant designed to provide support data for the NEDOL Coal Liquefaction process which has been developed up to the 150-tons-per-day scale, the hydrodynamic behavior of Coal slurry in the Coal Liquefaction reactors was observed using neutron absorption tracer equipment. The results clarified that the three reactors installed in series in the plant performed in a complete mixing mode providing sufficient contact between the liquid and hydrogen gas. It was also found that the increase of the gas feed rate resulted in the increase of liquid-phase mean residence time (MRT). This increase of MRT resulted in a decrease in the Coal Liquefaction residue yield and an increase in the Coal Liquefaction oil yield. However, the increase of the MRT did not improve the naphtha (C 4 -493 K fraction) yield because of vaporization of the light oil (493-623 K fraction) in the Coal Liquefaction reactors.
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Kinetic evaluation of progress in Coal Liquefaction in the 1t/d PSU for the NEDOL process
Fuel, 2000Co-Authors: K. Ikeda, Kouji Sakawaki, Kenji Inokuchi, Yoshinobu Nogami, K ImadaAbstract:Abstract A kinetic analysis of Coal Liquefaction in flow reactors of the 1 t/d Process Supporting Unit (PSU) for the NEDOL Process is reported. The Coal Liquefaction section of the PSU consists of a preheater and three Liquefaction reactors in series. Progress of Coal Liquefaction in PSU has been investigated, focussing mainly on the changes in Coal derived insoluble components through the preheater and the reactors. Summing up those results, a reaction kinetic model of Coal Liquefaction with retrogressive reaction was established and a mechanism of Coal Liquefaction in the process was elucidated.
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Behavior of hydrogen at Coal Liquefaction of NEDOL process
Coal Science Proceedings of the Eighth International Conference on Coal Science, 1995Co-Authors: M. Mochizuki, K. Endo, Kenji InokuchiAbstract:Publisher Summary This chapter presents the experiment, result, and discussion on the Coal Liquefaction tests that were conducted on Wandoan, Illinois No.6, Wyoming and Tanito Harum Coal at the NEDOL Process Supporting Unit (PSU). The behavior of hydrogen and dehydrogeneity at Coal Liquefaction are investigated. Furthermore, the effect of fa (fraction of aromatic) of recycle solvent on the behavior of hydrogen is also studied. It concludes that the hydrogen supplied for the Coal Liquefaction is easily consumed to the gas in high N. S. content Coal such as Illinois No. 6 Coal and the degree of deheterogeneity is high. The hydrogen is consumed to the water in high oxygen content Coal such as Wyoming and Tanito Harum Coal. The hydrogen consumption at Coal Liquefaction depends on the properties of Coal under the various Liquefaction conditions.
Kinya Sakanishi - One of the best experts on this subject based on the ideXlab platform.
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Çatalysis in Coal Liquefaction
Advances in Catalysis, 1994Co-Authors: Isao Mochida, Kinya SakanishiAbstract:Publisher Summary Coal Liquefaction that can provide liquid fuels at the price of current petroleum (not cost but price) is one of the most important technologies that needs to be developed. The catalyst and control of its operating conditions are still key to technology for advanced Coal Liquefaction. The creative design of catalyst materials and reaction schemes is an important and challenging goal. Multistage Coal Liquefaction is proposed in the chapter that consist of the following stages: (1) Coal pretreatment, (2) Coal dissolution, (3) catalytic hydrocracking, and (4) catalytic upgrading and solvent regeneration. Solid/liquid separation is important at all stages and depends on the extent of Coal cleaning during pretreatment, depolymerization of Coal macromolecules at the dissolution stage, and catalyst durability through the catalytic process. Hence, the catalysts and catalyses of Coal Liquefaction are reviewed in the chapter.
Zhu Bin - One of the best experts on this subject based on the ideXlab platform.
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Making management mechanism for Yusheng Coal Liquefaction Project
Journal of Xi'an University of Architecture &technology, 2003Co-Authors: Zhu BinAbstract:Yusheng Coal Liquefaction Project is a supermacropattern heavy chemical industry base designed under the strategy to fasten China's western development. Through assaying the problems existing in operation mechanism of Chinese Coal Liquefaction projects, this paper proposes that in Yusheng Coal Liquefaction project's operation mechanism the four facets, operation object structure ,operation interest structure, property allocation structure and elements organization structure should be taken into account i.e., and theoretical reference resting on Coal Liquefaction area's integration organization operation of efficiency is to be afforded.
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Profeet Management Mode of Yusheng Coal Liquefaction Base
Journal of Xi'an University of Architecture &technology, 2003Co-Authors: Zhu BinAbstract:Analyzing the factors affecting management mode of the overall plan of Yusheng Coal Liquefaction Base, this paper expounds the management concept and suggests several ways in management: conglomerate mode in the overall management of the Base, the joint venture mode in the Coal Liquefaction factory and vertical function mode in none Coal Liquefaction system, which serve as the references for the efficient organization and operation of the Base.