Sulphur Recovery Systems
3Pages

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Catalog excerpts

Sulphur Recovery Systems - 2

Reaction furnaces Acid gas (main) burners In-line heaters Tail gas incinerators Waste heat boilers (Kettle and Steam Drum circulation types) Packaged units are available complete with controls and burner management control systems > Several technologies exist for removal of sulphur compounds from acid or sour gases which arise in the oil refining, gas processing and other process industries. The sour feed gas is treated in an amine scrubber in which the acid gases are absorbed in a basic amine solution to produce sweet (sulphur free) sales gas and an off gas stream (tail gas) rich in...

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Sulphur Recovery Systems - 3

Operates at sub-stoichiometric conditions Forced draught or natural draught burners High intensity burner Incineration temperature typically Optimum H2S/SO2 ratio of 2 controlled by air flow 650 C to 900 C Minimum reaction furnace temperature ~ 1100C Residence time typically 0.6 to 1 second H2S concentration from 35% to 90% Horizontal or vertical incinerator Hot shell to prevent acid dew point corrosion Optional waste heat recovery Turndown range up to 10 to 1, depends on acid gas pressure Stack height dependent on local conditions and environmental regulations Acid gas containing ammonia...

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