LIQUID SULFUR DEGASSING

LIQUID SULFUR DEGASSING

Liquid sulfur is degassed to remove hydrogen sulfide and hydrogen polysulfides in rapid and efficient manner using a shroud and impeller combination which distributes a stripping gas, which may be steam or air, as small bubbles in the liquid sulfur in the presence of a strong Bronsted-Lowry base cat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SMITH, JAMES, W, ELLENOR, DAVID, TODD, R, DE PAOLI, SERGIO, HARBINSON, JOHN, H
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:Liquid sulfur is degassed to remove hydrogen sulfide and hydrogen polysulfides in rapid and efficient manner using a shroud and impeller combination which distributes a stripping gas, which may be steam or air, as small bubbles in the liquid sulfur in the presence of a strong Bronsted-Lowry base catalyst and provides parameters which provide rapid and efficient mass transfer. Such degassing may be combined with Claus plant tail gas clean up, by using the tail gas as the stripping gas. In addition, Claus plant tail gas clean up may be effected in liquid sulfur.