October 2000

Columns

HP Water Management: What is the best water treatment program for waste-heat boilers?

Waste-heat boilers (WHBs) are found in many applications including petrochemical and ammonia manufacturing. Heat recovery steam generator (HRSG) is a special type of WHB; it uses the ho..

Huchler, L. A., MarTech Systems, Inc.

Waste-heat boilers (WHBs) are found in many applications including petrochemical and ammonia manufacturing. Heat recovery steam generator (HRSG) is a special type of WHB; it uses the hot exhaust from the gas turbine as a heat source. Often, HRSG units have multiple steam drums that operate at different pressures. The low-pressure circuit may serves as the feedwater source for the higher-pressure circuit, thus making it very difficult to use a single chemical feedpoint in the feedwater circuit. The deaerator may be integral to the low-pressure boiler or centralized in the utility department. Some WHBs have both a ste

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