Quench water coolers Improve compressor capacity and reduce cooling water usage The capacity of the compressor stage depends linearly on the temperature of the entering gas. The lower the temperature, the smaller the gas volume and the higher the compressor capacity. This means the temperature of the gas exiting the quench tower should be as low as possible. Improved cooling in the second quench water cooler is a straightforward way of achieving this. Exchanging an existing shell-and-tube in this position for a compact heat exchanger dramatically increases cooling, provided there are no limitations in cooling-water supply. Example – second quench water cooler A shell-and-tube operating as second quench water cooler cools quench water from 51°C (124°F) to 41°C (106°F) using cool

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