With increasing international competition and the formation of the common market, a large chemical company producing chlorine and soda decided that it was imperative to reduce to a minimum the costs of its electricity and steam requirements without loss of reliability of supplies. After several schemes had been carefully costed it was concluded that a total energy scheme using packaged ags turbines, burning an economic oil fuel particularly suitable for high temperature machines should be adopted. The gas turbines exhaust through natural circulation heat recovery boilers to produce sufficient steam to meet all the process requirements. This paper reviews the uses of gas turbines in total energy systems, describes the actual fuel adopted, and gives a comprehensive description of the particular plant installed. Some notes on the plant performance up to the time of the submission of the paper are also included.

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