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Micro Chemical and Thermal Systems (MICRO-CATSĒ) Develops micro devices including heat exchangers, heat pumps, gas absorbers, liquid-liquid extractors, chemical reactors, combustors, enzymatic reactors, and microactuators for pumps, valves and compressors More information is available at www.pnl.gov/microcats Department of Energy (DOE)-Pacific Northwest National Laboratory (PNNL) Microtechnology greatly increases heat and mass transfer rates. This results in highly efficient devices for chemical and thermal systems. These devices can be mass-produced to produce very efficient, compact, and cost-effective systems. The laboratory is making microchannel heat exchangers, heat pumps, gas absorbers, gas adsorbers, liquid-liquid extractors, chemical reactors, combustors, catalytic reactors, enzymatic reactors, and microactuators for pumps, valves and compressors. In addition to its "sheet architecture", the laboratory has pioneered microfabrication methods for these microdevices. The laboratoy use state-of-the-art technology in conventional machining (slitting saw), photolithography, non-reactive ion etching and chemical etching, electrodischarge machining (EDM), and photoablation by excimer laser. It makes microdevices using copper, aluminum, stainless steel, high-temperature alloys, plastics, and ceramics. Micro Chemical and Thermal Systems (MICRO-CATS) offer a number of benefits: Lightweight and compact Rapid heat and mass transport Extremely precise control of process conditions High performance (i.e., high throughput per unit hardware volume) Cost economies through mass production Available for distributed or mobile applications Short lead times for development and deployment Just as rapid advances in microelectronics have revolutionized computers, appliances, communication systems and many other devices, PNNL's efforts in creating MICRO-CATS will revolutionize heat exchangers, heat pumps, combustors, gas absorbers, solvent extractors, fuel processors, and many other devices. These lightweight, compact and high-performance systems will have many important applications in transportation, buildings, military, environmental restoration, space exploration, carbon management, and industrial chemical processing. Examples of microdevices developed: Heat Exchangers Microchannel Heat Exchangers Heat Pumps Absorption Heat Pumps Compact Heat Pump for Automotive Air Conditioning Compact Heat Pump for Man-Portable Cooling and Distributed Space Conditioning Reactors Microscale Reactors Microchannel Combustor Bench-Scale Microchannel Gasoline Vaporizer Full-Scale Microchannel Gasoline Vaporizer Microchannel Reactor with Embedded Heat Exchangers Full-Scale Microchannel Methanol Vaporizer Compact Integrated Fuel Processor for Fuel Cells Compact Fuel Processors for Automotive Fuel Cells Compact Fuel Processors for Portable or Miniature Fuel Cells Enzymatic Reactors Enzymatic Microreactors Gas Absorbers Microscale Absorber Gas Absorber Unit Gas Adsorbers Microscale Adsorber Adsorption Heat Pump Solvent Extractors Microscale Chemical Separations Solvent Extraction Unit Keywords: Chemistry-General; Manufacturing and Industrial Technology-General Resource tags: Expertise; Federal laboratories, centers, and facilities
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