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|Chemical Composition:||WO3-NiO-Al2O3||Crushing Strength/N·cm-1 （/particle-1）:||18|
catalyst used in hydrocracking
Hydrocracking catalyst LS-3976
Catalyst 3976 was researched and developed by FRIPP. It is a kind of hydrocracking catalyst possessing strong N-resistant property. Catalyst HT-3976 adopts molecular sieve US-SSY and amorphous Si-Al as cracking components, and adopts W-Ni as hydrogenation components so that it possesses higher activity and higher selectivity of mid-distillate.
The most important characteristic of catalyst 3976 is the better N-resistant property. It is able to contain the higher activity and stability under the condition of the content of nitrogen in refining oil lower than 20～50ppm. Even under the condition of the content of nitrogen in refining oil between 80～100ppm, it also can stably run and be used in regeneration. Catalyst 3976 was first used in the hydrocracking device of Liaoyang Petrochemical Company in April 1998, and the running result of catalyst HT-3976 in industrial application is fairly good.
(I),Characteristics of the catalyst
|bulk density kg/l||0.83～0.93|
|specific surface area m2/g||≥250|
|crushing strength N/mm||≥18|
|pore volume ml/g||≥0.28|
|volume space velocity h-1||hydrogen oil volume ratio|
|feedstock||Saudi Arabia light oil,Iran mixed oil|
|product||the yield of diesel 16.33%; cetane number 0.17|
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