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Scientific Contribution Oil and Gas
Published by Kementerian Energi dan Sumber Daya Mineral
ISSN : 20893361     EISSN : 25410520     DOI : https://doi.org/10.29017/SCOG.44.1.492
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Environmental Science
research activities, technology engineering development and laboratory in the oil and gas field including regional geology/basin modeling, petroleum geology, sedimentology, stratigraphy, petroleum geoscience, drilling and completion technology, production engineering, well simulation, formation evaluation, petrophysics, reservoir characterization, oil and gas reserves, reservoir modeling, field development/management, EOR, geomachanics, unconventional hydrocarbon technology, field processing facilities, flow assurance, gas technology/processing/storage, petroleum processing/refining technology, petroleum products, fuel quality/specification/storage, biofuel technology, corrosion/scale problem/water treatment, environment/remediation, CCUS, health and safety/petroleum hazard, emerging technologies
Arjuna Subject : Energi (semua kategori) - Teknologi Bahan Bakar
Articles 1 Documents
 1 
Search results for , issue "Vol 28, No 1 (2005)" : 1 Documents clear
Selective Hydrocracking Of Heavy Distillate To High Viscosity Index Lube Base Stock By Using Bi-Functional Catalysts Nasution, A.S
Scientific Contributions Oil and Gas Vol 28, No 1 (2005)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.28.1.869

Abstract

Hydroprocessing is the catalytic reaction of hydrogen with petroleum or other hydrocarbon materials. It may be carried out for a variety of objectives, including: saturation of olefins or aromaties, molecular rearrangement, or removal of impurity (1).Selective hydrocracking is one of this hydroprocessing to convert higherboiling distillate to lube base stock using a bi-functional catalyst containing both acid site and metal site. Those two active sites of bi-functional catalyst should promote the correct combination of hydrogenation, isomerization and limited hydrocracking function, resulting in the maximum yield of product in the lube oil range (2). The kinetics of this selective hydrocracking greatly depends on the operating conditions: such as feedstock composition, type of catalyst, temperature, pressure, hydrogen to hydrocarbon ratio, and space velocity (6).The versatility of the hydroconversion process with respect to the variety of feedstock are case to study: i.e. the feasibility of the hydroconversion of obtaining lube base stock from heavy distillate.In order to gain more information, an experiment has been carried out to study the selective hydrocracking of vacuum distillate (paraffinic and non paraffinic) by using bifunctional catalysts with various acidity at the following operating conditions: temperature: from 380 to 410 ° C, pressure: 100 kg/cm2 and hydrogen to hydrocarbon ratio: 1000 l/lt. A catatest unit operated in a continuous system was used in this experiment.Gas and liquid product samples were taken from gas and liquid samples, respectively. Liquid product was fractionated to get the following cuts: IBP-380°C and380°C with 30 theoretical plate fractionator, operating at 4/1 reflux ratio. The 380°C bottom product was treated by dewaxing, using methylisobutyl ketone as a solvent to obtain the lube base stock and wax.

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