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Low Temperature Waste Energy Recovery at Chemical Plants and Refineries
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Technologies to economically recover low-temperature waste energy in chemical plants and refineries are the holy grail of industrial energy efficiency. Low temperature waste energy streams were defined by the Texas Industries of the Future Chemical and Refining Sectors Advisory Committee as streams with a temperature below 400 degrees F. Their waste energy streams were also characterized as to state, flow rate, heat content, source and temperature. These criteria were then used to identify potential candidates of waste heat recovery technologies that might have an application in these industries. Four technologies that met the criteria of the Advisory Committee included: organic rankine cycle (ORC), absorption refrigeration and chilling, Kalina cycle, and fuel cell technologies. This paper characterizes each of these technologies, technical specifications, limitations, potential costs/ payback and commercialization status as was discussed in the Technology Forum held in Houston, TX in May 2012 (TXIOF 2012).
Ferland, K.; papar, R.; Quinn, J.; Kumar, S. (2013). Low Temperature Waste Energy Recovery at Chemical Plants and Refineries. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from