Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur
Patent
1996-06-06
2000-01-04
Griffin, Steven P.
Chemistry of inorganic compounds
Sulfur or compound thereof
Elemental sulfur
4235731, 4235781, C01B 1702
Patent
active
060106778
ABSTRACT:
A process for removing hydrogen sulfide out of liquid sulfur is provided by passing liquid sulfur and saturated steam through at least one acceleration nozzle within a container maintained at less than atmospheric pressure. The saturated steam and liquid sulfur discharged from the acceleration nozzles converge at a common point outside the acceleration nozzle and collide against an impact target so that hydrogen sulfide is removed out of the liquid sulfur. Two acceleration nozzles may be used positioned on a common plane with the outlets of the nozzles facing each other. The discharged steam adiabatically expands within the container which causes the discharged streams to accelerate and which also causes the temperature of the liquid sulfur drop.
REFERENCES:
patent: Re32009 (1985-10-01), Ledford et al.
patent: 2751335 (1956-06-01), Carver et al.
patent: 3918491 (1975-11-01), Weltmer
patent: 4243648 (1981-01-01), Fenton
patent: 4537605 (1985-08-01), Gouw
patent: 4897251 (1990-01-01), Maurice et al.
"Chemical Engineers' Handbook" By Perry, 3rd Edition, McGraw-Hill Book Co. (1950) New York, Toronto & London, pp. 1170-1175.
"Stop Emissions From Liquid Sulfur" By Lagas; Hydrocarbon Processing (Oct. 1982), pp. 85-89.
Griffin Steven P.
Knull Holdings Ltd.
Vanoy Timothy C
Zeyher Stanley H.
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