Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed
Patent
1987-12-24
1988-10-04
Mc Farlane, Anthony
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With preliminary treatment of feed
208 46, 208 49, 208108, 208112, 585320, C10G 6706
Patent
active
047754605
ABSTRACT:
Problems associated with the formation of polycyclic aromatic compounds within hydrocracking reaction zones are reduced by a feed pretreating sequence which comprises first contacting the feed with a metal-free alumina to produce polycyclic compounds or their precursors followed by their removal by contacting the feed with a bed of adsorbent such as charcoal. The feed pretreatment steps are operated at an elevated temperature but at a very reduced pressure and preferably substantially free of hydrogen.
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Mc Farlane Anthony
McBride Thomas K.
Spears Jr. John F.
UOP Inc.
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