Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Sketch of the laboratory solar reactor Figure Legend:

Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Experimental setup in the solar furnace of PSI Figure Legend:

Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Results of TG experiments for screening of carbon materials (molar ratio Cfix: ZnO=0.8:1) Figure Legend:

Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Micrographs of a beech charcoal ash sample (dark) during heating. Until the softening temperature of 1210°C is reached there is no change of shape. Between 1210°C and the fusion temperature of 1415°C strong deformation of the sample takes place. At 1415°C the ash is molten completely. Figure Legend:

Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Solar power input, product gas flow rates and reactor temperatures during a representative batch run of the reactor (500g mixture of beach charcoal powder and ZnO with molar ratio Cfix: ZnO=0.9:1) Figure Legend:

Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Overall reaction rate as a function of temperature for different carrier gas flows (Cfix: ZnO=0.9:1) Figure Legend:

Date of download: 7/6/2016 Copyright © ASME. All rights reserved. From: Solar Carbothermic Reduction of ZnO in a Two-Cavity Reactor: Laboratory Experiments for a Reactor Scale-Up J. Sol. Energy Eng. 2005;128(1):8-15. doi: / Mass change of separation wall materials used in solar reactor tests Figure Legend: