Mineral oils: processes and products – Paraffin wax; treatment or recovery – Chemical treatment
Patent
1987-12-18
1989-05-23
McFarlane, Anthony
Mineral oils: processes and products
Paraffin wax; treatment or recovery
Chemical treatment
585736, 585737, 585738, 585748, 585253, 208 24, 208 58, 208 59, 208 61, 208 85, 208 88, 208 93, 208 95, 208112, C10G 7338, C10G 7342
Patent
active
048328197
ABSTRACT:
A process for producing a pumpable syncrude from a Fischer-Tropsch wax by fractionating the wax into relatively low boiling fraction containing oxygenate compounds and a relatively high boiling fraction which is substantially free of oxygenate compounds and thereafter isomerizing/hydrocracking the low boiling fraction in the presence of hydrogen and a fluorided Group VIII metal-on-alumina catalyst. The preferred Group VIII metal is platinum.
The pumpable syncrude is thereafter fractionated to produce a low boiling fraction which is thereafter isomerized/hydrocracked in the presence of hydrogen and a fluorided Group VIII metal-on-alumina catalyst to produce upgraded middle distillate fuel products. The preferred catalyst for middle distillate production is a fluorided platinum-on-alumina catalyst where a major portion of the fluoride within the catalyst is present as aluminum fluoride hydroxide hydrate.
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Exxon Research and Engineering Company
McFarlane Anthony
Ott Roy J.
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