DANBURY, Conn.--(BUSINESS WIRE)--Praxair, Inc. (NYSE:PX) today announced the introduction of its patented OPTIMELTTM thermochemical regenerator system. The company’s technology productively recovers waste energy from furnace flue gases, reducing emissions and improving the energy efficiency of glass production. Through the process, incoming natural gas is heated and reacted with a portion of waste flue gas to produce a hot syngas fuel that captures both the heat and chemical potential of the wa
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