Sulfur degassing process

Details Sulfur degassing process Sulfur degassing process

2011-07-11

2011-12-13

Vanoy, Timothy (Department: 1734)

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

Reexamination Certificate

active

08075866

ABSTRACT:
A process is disclosed for removing hydrogen sulfide from liquid sulfur including: passing a liquid sulfur feed comprising liquid sulfur and hydrogen sulfide to a vaporizer; vaporizing at least a portion of the liquid sulfur feed in the vaporizer to thereby form a first vapor stream comprising gaseous sulfur and gaseous hydrogen sulfide; partially condensing the first vapor stream in a condenser to form a liquid product stream comprising liquid sulfur and a second vapor stream comprising hydrogen sulfide; wherein the liquid product stream has a lower concentration of hydrogen sulfide than the liquid sulfur feed.

REFERENCES:
patent: 3397041 (1968-08-01), Rivers
patent: 7998451 (2011-08-01), Keller et al.

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