Petrochem Carless says its Harwich, U.K., refinery is saving thousands of watts of energy with new compressors that are energy efficient and reliable. Reliability of its compressed air supply is important to keeping the plant up and running smoothly 24 hours day, seven days a week, Brian Tinham writes. "The exercise confirmed the estimated annual saving of more than 430,000 kW/h, and compressor performance has continued to deliver the reliability paramount at the Harwich operation," Petrochem engineering manager Andy Lee said.

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