METHOD FOR TREATING HYDROGEN SULFIDE

PURPOSE:To provide a method for treating hydrogen sulfide, capable of efficiently recovering sulfur and hydrogen from a hydrogen sulfide-containing gas in a closed system, improving the efficiency of hydrogen sulfide absorption, reducing the production amount of by-produced sulfuric acid, and thus r...

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Bibliographische Detailangaben
1. Verfasser:	KOMORI NORIO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY CRACKING HYDROCARBON OILS ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a method for treating hydrogen sulfide, capable of efficiently recovering sulfur and hydrogen from a hydrogen sulfide-containing gas in a closed system, improving the efficiency of hydrogen sulfide absorption, reducing the production amount of by-produced sulfuric acid, and thus reducing the cost of the treatment. CONSTITUTION:In this method for treating hydrogen sulfide to recover sulfur and hydrogen from a hydrogen sulfide-containing gas in a closed system by combining a hydrogen sulfide gas-absorbing and oxidizing process, a sulfur- separating process, an electrochemically regeneration treatment process and a by-produced sulfuric acid-reducing process, a hydrogen sulfide-hydrogen mixture gas discharged front the by-produced sulfuric acid-reducing process is introduced into a hydrogen sulfide-concentrating and separating process, and the hydrogen sulfide gas concentrated and separated in this process is returned to the hydrogen sulfide gas-absorbing and oxidizing process.