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Natural gas processing technology sweetening processes
The document discusses hydrogen sulfide (H2S) concentration and toxicity levels at different ppm concentrations. It then discusses requirements for gas entering LNG plants and different sweetening processes used to remove sour gases like H2S and CO2. The amine sweetening process is described in detail, including major equipment used like absorbers, strippers, heat exchangers. Different amines used and their properties are also discussed. Mercury and nitrogen removal processes are briefly covered.
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