A new waste heat recovery system at POET Biorefining – Caro has brought significant natural gas and water savings for the 53 million-gallon-per-year ethanol plant.

The plant’s system recycles heat from the process, replacing about 10 percent of the facility’s natural gas needs. Water that is condensed in the system is re-used, which reduces overall water use by 5 percent.

Because less live steam is running through the process, the waste heat recovery system also decreases by almost 50 percent the amount of time the plant is shut down for cleaning.

“The waste heat recovery system has been a phenomenal addition to the Caro facility,” General Manager David Gloer said. “We are using less natural gas and less water, which is great for the environment, and this new system reduces our operating cost, making us much more cost competitive. The employees have embraced the new system and have become very proficient in operating the new equipment in a very short time frame.”

About POET
POET, the largest ethanol producer in the world, is a leader in biorefining through its efficient, vertically integrated approach to production. The 23-year-old company produces more than 1.7 billion gallons of ethanol and 9 billion pounds of high-protein animal feed annually from 27 production facilities nationwide. POET also operates a pilot-scale cellulosic ethanol plant, which uses corn cobs as feedstock, and will commercialize the process in Emmetsburg, Iowa. For more information, visit http://www.poet.com.

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