Coal gasification by the coal/CH4-ZnO-Zn-H2O solar energy conversion system

M. Tsuji; Y. Wada; Y. Tamaura; A. Steinfeld; P. Kuhn; R. Palumbo

doi:10.1016/0196-8904(95)00339-8

Coal gasification by the coal/CH₄-ZnO-Zn-H₂O solar energy conversion system

M. Tsuji
, Y. Wada
, Y. Tamaura
, A. Steinfeld
, P. Kuhn
, R. Palumbo

Mechanical & Industrial Engineering

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The coal/CH₄-ZnO-Zn-H₂O system has been proposed for the 2-step efficient chemical conversion system of the fossil fuels using a solar energy as the process heat and fossil fuel/ZnO redox system. The overall reaction is represented by CH_x(coal) + CH4 + 2H₂O(g) = 2CO + (4 + x/2)H₂ The complete coal gasification to H₂/CO gas mixture with the coal/ZnO redox system could be demonstrated with zero CO₂ emissions at 1000-1100°C, eliminating the need to separate, while the steam gasification efficiency of coal remained 47% on a carbon basis. Zn-H₂O reaction was conducted to generate H₂ gas successfully. In the overall reaction, the product gas of the H₂/CO mole ratio 2 could be obtained and can be directly used for synthesis of methanol and other chemicals.

Original language	English (US)
Pages (from-to)	1315-1320
Number of pages	6
Journal	Energy Conversion and Management
Volume	37
Issue number	6-8
DOIs	https://doi.org/10.1016/0196-8904(95)00339-8
State	Published - 1996

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy
SDG 13 Climate Action

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10.1016/0196-8904(95)00339-8

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Cite this

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title = "Coal gasification by the coal/CH4-ZnO-Zn-H2O solar energy conversion system",

abstract = "The coal/CH4-ZnO-Zn-H2O system has been proposed for the 2-step efficient chemical conversion system of the fossil fuels using a solar energy as the process heat and fossil fuel/ZnO redox system. The overall reaction is represented by CHx(coal) + CH4 + 2H2O(g) = 2CO + (4 + x/2)H2 The complete coal gasification to H2/CO gas mixture with the coal/ZnO redox system could be demonstrated with zero CO2 emissions at 1000-1100°C, eliminating the need to separate, while the steam gasification efficiency of coal remained 47\% on a carbon basis. Zn-H2O reaction was conducted to generate H2 gas successfully. In the overall reaction, the product gas of the H2/CO mole ratio 2 could be obtained and can be directly used for synthesis of methanol and other chemicals.",

author = "M. Tsuji and Y. Wada and Y. Tamaura and A. Steinfeld and P. Kuhn and R. Palumbo",

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doi = "10.1016/0196-8904(95)00339-8",

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TY - JOUR

T1 - Coal gasification by the coal/CH4-ZnO-Zn-H2O solar energy conversion system

AU - Tsuji, M.

AU - Wada, Y.

AU - Tamaura, Y.

AU - Steinfeld, A.

AU - Kuhn, P.

AU - Palumbo, R.

PY - 1996

Y1 - 1996

N2 - The coal/CH4-ZnO-Zn-H2O system has been proposed for the 2-step efficient chemical conversion system of the fossil fuels using a solar energy as the process heat and fossil fuel/ZnO redox system. The overall reaction is represented by CHx(coal) + CH4 + 2H2O(g) = 2CO + (4 + x/2)H2 The complete coal gasification to H2/CO gas mixture with the coal/ZnO redox system could be demonstrated with zero CO2 emissions at 1000-1100°C, eliminating the need to separate, while the steam gasification efficiency of coal remained 47% on a carbon basis. Zn-H2O reaction was conducted to generate H2 gas successfully. In the overall reaction, the product gas of the H2/CO mole ratio 2 could be obtained and can be directly used for synthesis of methanol and other chemicals.

AB - The coal/CH4-ZnO-Zn-H2O system has been proposed for the 2-step efficient chemical conversion system of the fossil fuels using a solar energy as the process heat and fossil fuel/ZnO redox system. The overall reaction is represented by CHx(coal) + CH4 + 2H2O(g) = 2CO + (4 + x/2)H2 The complete coal gasification to H2/CO gas mixture with the coal/ZnO redox system could be demonstrated with zero CO2 emissions at 1000-1100°C, eliminating the need to separate, while the steam gasification efficiency of coal remained 47% on a carbon basis. Zn-H2O reaction was conducted to generate H2 gas successfully. In the overall reaction, the product gas of the H2/CO mole ratio 2 could be obtained and can be directly used for synthesis of methanol and other chemicals.

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VL - 37

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