Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur
Patent
1982-12-06
1985-01-29
Thomas, Earl C.
Chemistry of inorganic compounds
Sulfur or compound thereof
Elemental sulfur
423226, 423571, 423578R, 210764, B01D 5334, C01B 1704, C01B 1714
Patent
active
044965346
ABSTRACT:
A method is provided for reconditioning a hydrogen sulfide removal system, such as a Stretford process system in which elemental sulfur is formed, after the system has become contaminated with sulfur-feeding bacteria to an extent that operation thereof is substantially impaired. The method includes adding a bactericide to the washing solution employed in the system to destroy the bacteria and adding a surfactant to the solution to remove dead bacteria from the surfaces of particulate sulfur formed in the system so that the particles can agglomerate in the intended manner to enable sulfur removal from the solution.
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Delaney Dennis D.
Fenton Donald M.
Anderson Denton L.
Russel Jeffrey E.
Sandford Dean
Thomas Earl C.
Union Oil Company of California
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