6
Catalyst Combination Technologies
(Japan Energy Company & Kuwait Catalyst Company)
n Gas Oil
n
n
n
n
n
n
n
n
nGas Oil contains various sulfur compounds with different reactivity and refractory species such as 4,6-DMDBT
n
nA combination technology of Cobalt Molybdenum catalyst (CoMo) & Nickel Molybdenum (NiMo) catalyst design to enhance the removal of reactive and refractory sulfur compounds
n
nCoMo achieves desulfurization of reactive compounds and NiMo desulfrization of refractory compound 
n
n
n
n
n
50
2004
15
500
USA
10
50
350
EU
500
Japan
2009
2006
2005
2000
Year
Table: Sulfur Specification of Gas Oil (ppm)