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E&C Business: Environmental Protection & Infrastructure
  Sour Gas removal  
 
   
 

*Title* Design Drawing of
Sour Gas Removal Unit

 

JGC provides the optimization study, selection of process, basic design, detailed design and procurement, construction work contract and operation support in regard to the elimination of hydrogen sulfide, mercaptan, COS and sour gas including carbon dioxide from gas/LPG at oil refinery plants, gas plants, and chemical plants. As for the rich carbon dioxide, JGC can carry out study, design, enforcement, and operation support for the hydrogen sulfide enrichment process. In addition, JGC offers the study and consultancy work in regard to the amine degradation.

Achievements ( - 2002)
JGC has carried out designing and enforcement of 87 plants all over the world since 1957.

 
 
   
  Sulfur Recovery  
 
   
 
Sulfur Recovery Design Drawing of
Sulfur Recovery unit
 

JGC's unique process for the sulfur recovery unit uses the Claus method that recovers sulfur from hydrogen sulfide. By using a single thermal Claus burner, a high rate of sulfur recovery from the hydrogen sulfide is achieved together with ammonia decomposition. JGC is a Shell "Scot" licenser for the Claus tail gas treating unit; JGC carries out a total optimization study, basic design, design package creation, detailed design, procurement, construction, and operation support of these technologies and the related facilities. JGC also carries out a selection study, design, procurement, and construction for the Claus sulfur recovery unit, Liquid Redox, and Claus tail gas treating unit that are not JGC proprietary technologies. In addition JGC can perform a design and application study, procurement, construction and operation support for liquid sulfur degasification processes and various sulfur solidification units.

Achievements ( - 2002)
JGC has delivered 31 sulfur recovery units worldwide since 1967. Maximum per diem capacity of sulfur recovery is 800 tons. With regard to the Claus tail gas treating unit, JGC has delivered 33 worldwide since 1974. JGC has many project references for liquid sulfur degasification units and sulfur solidification units.

 
   
  Flue-Gas Desulfurization  
 
   
 
  JGC performs design/fabrication of both wet and dry type flue-gas desulfurization. The Limestone-Gypsum process and magnesium hydroxide process are available as wet type processes. An absorption tower uses the Moretana process that has high absorption efficiency with less plugging problems. With respect to dry type processes, the solid absorbent process and activated carbon process (simultaneous desulfurization and denitration) are available. Applicable waste gas sources are boilers in power plants, FCC CO boilers, and furnaces in oil refinery plants.  
 
 
Achievements ( - 2002)
JGC has delivered two Limestone-Gypsum processes, two magnesium hydroxide processes, and one each of the activated carbon process and solid absorbent process.
 
   
  Flue Gas Denitrification  
 
   
 
  JGC performs design/fabrication of SCR flue gas denitration processes, and has a number of successful achievements.  
   
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