Production of Elemental Sulphur from SO
For further information contact: Steve Pollitt Mahin Rameshni +44 20 8326 5217 Parkview, Great West Road Brentford, Middlesex TW8 9AZ London, UK steve.pollitt@worleyparsons.com Director of Sulphur Technology +1 626 803 9058 181 West Huntington Drive Monrovia, California 91016 mahin.rameshni@worleyparsons.com RSR® (Rameshni SO2 Reduction) Production of Elemental Sulphur from SO2 Advanced Technology Production of Elemental Sulphur from SO2 WorleyParsons has over 50 years of global experience that includes 534 sulphur recovery units, accounting for over 60% of the world’s production of recovered sulphur and including the world’s largest single-train sulphur plant. Sulphur emissions for ore roasters, smelters, and coal-fired power plants need to be reduced considering: • • • • • • f Combination of two well proven processes 500+ Claus-type plants Less demand for sulphuric acid production Lower fuel consumption Reduced emissions Better product sulphur quality Better operational stability Lower cost Lower Cost f Lower operation cost WorleyParsons Innovative SO2 – Reduction Process ® 100+ f Lower capital cost Tail gas treaters f Less number of equipment CS2 REACTION HEATER NO. 1 CS2 REACTOR f Mostly carbon steel material of construction f Higher sulphur quality SO2 SO2 BLOWER NO. 3 CS2 REACTOR NATURAL GAS SO2 PREHEATER f No soot formation CS2 WASTE HEAT BOILER f Ability to control the temperature NO. 1 SULPHUR CONDENSER CS2 + H2S 650˚C 4-7 bar CH4 + 2S2 NO. 2 REHEATER RECYCLE BLOWER steam SO2 NO. 3 SULPHUR CONDENSER 650C f Light Metals water sulphur NO. 3 SULPHUR REACTOR methane (natural gas) f Base Metals NATURAL GAS SULPHUR NO. 4 SULPHUR CONDENSER SULPHUR f Ferrous Metals TAIL GAS reactor tubes INCINERATOR SULPHUR fuel gas SULPHUR SULPHUR PIT Sulphur from Mining and Minerals furnace NO. 3 REHEATER NO. 2 SULPHUR CONDENSER CS2 + 2H2S SULPHUR NO.2 SULPHUR REACTOR NO. 1 SULPHUR REACTOR f Fewer side reactions REACTION RECYCLE GAS REHEATER SULPHUR RECYCLE PUMP f Less plot space f Higher sulphur recovery up to 98% NO. 2 CS2 REACTOR SRU WASTE HEAT BOILER f Superior fuel efficiency Superior Performance NATURAL GAS NO. 1 REHEATER – CS2 Section, reaction of natural gas and recycled sulphur vapor to produce CS2 – Claus Section –catalytic hydrolysis of CS2 to H2S and reaction of H2S and SO2 to produce elemental sulphur in a conventional Claus unit f Safe, reliable, simple operation f Commercial experience in large scale in both processes f Apply for any SO2 stream, with or without SO2 concentration process SULPHUR PRODUCT PUMP sulphur methane H2O mix. S, H2S, CS2 CS2 H2S S f Coal f Chemicals Advanced Technology Production of Elemental Sulphur from SO2 WorleyParsons has over 50 years of global experience that includes 534 sulphur recovery units, accounting for over 60% of the world’s production of recovered sulphur and including the world’s largest single-train sulphur plant. Sulphur emissions for ore roasters, smelters, and coal-fired power plants need to be reduced considering: • • • • • • f Combination of two well proven processes 500+ Claus-type plants Less demand for sulphuric acid production Lower fuel consumption Reduced emissions Better product sulphur quality Better operational stability Lower cost Lower Cost f Lower operation cost WorleyParsons Innovative SO2 – Reduction Process ® 100+ f Lower capital cost Tail gas treaters f Less number of equipment CS2 REACTION HEATER NO. 1 CS2 REACTOR f Mostly carbon steel material of construction f Higher sulphur quality SO2 SO2 BLOWER NO. 3 CS2 REACTOR NATURAL GAS SO2 PREHEATER f No soot formation CS2 WASTE HEAT BOILER f Ability to control the temperature NO. 1 SULPHUR CONDENSER CS2 + H2S 650˚C 4-7 bar CH4 + 2S2 NO. 2 REHEATER RECYCLE BLOWER steam SO2 NO. 3 SULPHUR CONDENSER 650C f Light Metals water sulphur NO. 3 SULPHUR REACTOR methane (natural gas) f Base Metals NATURAL GAS SULPHUR NO. 4 SULPHUR CONDENSER SULPHUR f Ferrous Metals TAIL GAS reactor tubes INCINERATOR SULPHUR fuel gas SULPHUR SULPHUR PIT Sulphur from Mining and Minerals furnace NO. 3 REHEATER NO. 2 SULPHUR CONDENSER CS2 + 2H2S SULPHUR NO.2 SULPHUR REACTOR NO. 1 SULPHUR REACTOR f Fewer side reactions REACTION RECYCLE GAS REHEATER SULPHUR RECYCLE PUMP f Less plot space f Higher sulphur recovery up to 98% NO. 2 CS2 REACTOR SRU WASTE HEAT BOILER f Superior fuel efficiency Superior Performance NATURAL GAS NO. 1 REHEATER – CS2 Section, reaction of natural gas and recycled sulphur vapor to produce CS2 – Claus Section –catalytic hydrolysis of CS2 to H2S and reaction of H2S and SO2 to produce elemental sulphur in a conventional Claus unit f Safe, reliable, simple operation f Commercial experience in large scale in both processes f Apply for any SO2 stream, with or without SO2 concentration process SULPHUR PRODUCT PUMP sulphur methane H2O mix. S, H2S, CS2 CS2 H2S S f Coal f Chemicals For further information contact: Steve Pollitt Mahin Rameshni +44 20 8326 5217 Parkview, Great West Road Brentford, Middlesex TW8 9AZ London, UK steve.pollitt@worleyparsons.com Director of Sulphur Technology +1 626 803 9058 181 West Huntington Drive Monrovia, California 91016 mahin.rameshni@worleyparsons.com RSR® (Rameshni SO2 Reduction) Production of Elemental Sulphur from SO2
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