Zeeco’s Ryan Tate discusses the basic theory of indirect or extractive heat recovery in thermal oxidizers. Includes practical ideas for operators and how heat recovery for hydrocarbons, BTEX, hydrogen sulfide, and other waste gas destruction enhances the efficiency of processing plants and minimizes operating costs.
As environmental regulations continue to grow more stringent, gas processing plants must continuously adapt to the requirements of the current regulatory environment. In an effort to keep up with emissions regulations, thermal oxidisers are being applied in a wider role. The majority of gas plants utilise regenerative chemical solvents in an absorption column to sweeten the gas stream. Elevated temperatures are used to regenerate these solvents. Heat recovery in the form of hot oil is a logical addition to many thermal oxidiser systems and one that can reduce the overall operating cost of solvent regeneration without introducing unnecessary complexity in overall plant operation.
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