ECS-B Mini Photothermal Solid-Gas Reactor (Max. 300°C, 0.3 MPa), EBMPTSGR
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A Photothermal Solid-Gas Reactor is a specialized system designed to harness light energy to drive chemical reactions between a solid catalyst and gaseous reactants. Unlike traditional thermal reactors that rely on bulk heating (furnaces), photothermal systems use high-intensity light to generate localized "hot spots" on the catalyst surface, often leading to higher reaction rates and unique selectivity.
The architecture of a photothermal reactor must balance light delivery, gas-tightness, and precise thermal sensing. (1) Optical Window: Normally the high-purity fused silica (Quartz) or Sapphire windows are used to allow maximum transmission of UV-Vis-NIR light while maintaining high pressure and temperature seals. (2) Light Sources: Usually high-power Xenon lamps (simulating solar spectrum), tunable LEDs, or lasers. The light is often focused via parabolic reflectors or fiber optics to maximize power density (W/cm2). (3) Reaction Chamber: Typically constructed from 316L stainless steel or specialized alloys. The interior is often polished to reflect stray light back onto the catalyst bed, or "blackened" if the chamber itself needs to contribute to the thermal load. (4) Catalyst Bed: The solid catalyst is often supported on a porous ceramic or metal mesh. In some designs, a "fluidized" bed is used to ensure every catalyst particle is exposed to the light flux.
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