The production of Zn from ZnO in a high-temperature solar decomposition quench process - I. The scientific framework for the process

Robert D Palumbo; J. Lédé; O. Boutin; E. Elorza Ricart; A. Steinfeld; S. Möller; A. Weidenkaff; E. A. Fletcher; J. Bielicki

doi:10.1016/S0009-2509(98)00063-3

The production of Zn from ZnO in a high-temperature solar decomposition quench process - I. The scientific framework for the process

Robert D Palumbo, J. Lédé, O. Boutin, E. Elorza Ricart, A. Steinfeld, S. Möller, A. Weidenkaff, E. A. Fletcher, J. Bielicki

Mechanical & Industrial Engineering

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

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Abstract

We present a theoretical and experimental study of a solar decomposition process for producing Zn and O₂ from ZnO(s). The decomposition step occurs at temperatures near 2000 K, and the gaseous products are quenched. A numerical model that uses the latest kinetic data for the decomposition and reoxidation reactions suggests that Zn conversions as high as 80% can be obtained with solar flux densities of 2 MW m^-2. The decomposition and quench were effected in a solar furnace and in a solar furnace simulator. Zn yields were as high as 90% depending in part on the dilution ratio and quenching surface's temperature.

Original language	English (US)
Pages (from-to)	2503-2517
Number of pages	15
Journal	Chemical Engineering Science
Volume	53
Issue number	14
DOIs	https://doi.org/10.1016/S0009-2509(98)00063-3
State	Published - Jul 15 1998

Bibliographical note

Funding Information:
We gratefully acknowledge the financial support of the Bundesamt fuer Energiewirschaft for supporting this work at the Paul Scherrer Institute. We also are grateful for the experimental and theortical advice we received from Prof. M. Ferrer. Finally we thank Prof D. Petitjean for performing the X-ray diffraction analysis for the CNRS experiments.

Keywords

Decomposition
Quench
Solar chemistry
Solar energy
Solar fuel
Zinc
Zinc oxide

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title = "The production of Zn from ZnO in a high-temperature solar decomposition quench process - I. The scientific framework for the process",

abstract = "We present a theoretical and experimental study of a solar decomposition process for producing Zn and O2 from ZnO(s). The decomposition step occurs at temperatures near 2000 K, and the gaseous products are quenched. A numerical model that uses the latest kinetic data for the decomposition and reoxidation reactions suggests that Zn conversions as high as 80% can be obtained with solar flux densities of 2 MW m-2. The decomposition and quench were effected in a solar furnace and in a solar furnace simulator. Zn yields were as high as 90% depending in part on the dilution ratio and quenching surface's temperature.",

keywords = "Decomposition, Quench, Solar chemistry, Solar energy, Solar fuel, Zinc, Zinc oxide",

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note = "Funding Information: We gratefully acknowledge the financial support of the Bundesamt fuer Energiewirschaft for supporting this work at the Paul Scherrer Institute. We also are grateful for the experimental and theortical advice we received from Prof. M. Ferrer. Finally we thank Prof D. Petitjean for performing the X-ray diffraction analysis for the CNRS experiments. ",

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T1 - The production of Zn from ZnO in a high-temperature solar decomposition quench process - I. The scientific framework for the process

AU - Palumbo, Robert D

AU - Lédé, J.

AU - Boutin, O.

AU - Ricart, E. Elorza

AU - Steinfeld, A.

AU - Möller, S.

AU - Weidenkaff, A.

AU - Fletcher, E. A.

AU - Bielicki, J.

N1 - Funding Information: We gratefully acknowledge the financial support of the Bundesamt fuer Energiewirschaft for supporting this work at the Paul Scherrer Institute. We also are grateful for the experimental and theortical advice we received from Prof. M. Ferrer. Finally we thank Prof D. Petitjean for performing the X-ray diffraction analysis for the CNRS experiments.

PY - 1998/7/15

Y1 - 1998/7/15

N2 - We present a theoretical and experimental study of a solar decomposition process for producing Zn and O2 from ZnO(s). The decomposition step occurs at temperatures near 2000 K, and the gaseous products are quenched. A numerical model that uses the latest kinetic data for the decomposition and reoxidation reactions suggests that Zn conversions as high as 80% can be obtained with solar flux densities of 2 MW m-2. The decomposition and quench were effected in a solar furnace and in a solar furnace simulator. Zn yields were as high as 90% depending in part on the dilution ratio and quenching surface's temperature.

AB - We present a theoretical and experimental study of a solar decomposition process for producing Zn and O2 from ZnO(s). The decomposition step occurs at temperatures near 2000 K, and the gaseous products are quenched. A numerical model that uses the latest kinetic data for the decomposition and reoxidation reactions suggests that Zn conversions as high as 80% can be obtained with solar flux densities of 2 MW m-2. The decomposition and quench were effected in a solar furnace and in a solar furnace simulator. Zn yields were as high as 90% depending in part on the dilution ratio and quenching surface's temperature.

KW - Decomposition

KW - Quench

KW - Solar chemistry

KW - Solar energy

KW - Solar fuel

KW - Zinc

KW - Zinc oxide

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The production of Zn from ZnO in a high-temperature solar decomposition quench process - I. The scientific framework for the process

Abstract

Bibliographical note

Keywords

UN SDGs

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