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Scientific Contributions Oil and Gas
Published by LEMIGAS
ISSN : 20893361     EISSN : 25410520     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Energy
The Scientific Contributions for Oil and Gas is the official journal of the Testing Center for Oil and Gas LEMIGAS for the dissemination of information on research activities, technology engineering development and laboratory testing in the oil and gas field. Manuscripts in English are accepted from all in any institutions, college and industry oil and gas throughout the country and overseas.
Arjuna Subject : Energi (semua kategori) - Teknologi Bahan Bakar
Articles 2 Documents
 1 
Search results for , issue "Vol 7 No 1 (1984)" : 2 Documents clear
A Study On Octane Requirement For Motor Vehicles In Indonesia F. Batti W Kaslan
Scientific Contributions Oil and Gas Vol 7 No 1 (1984)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.7.1.902

Abstract

The knowledge of the exact level of octane number required for the car population in a country is quite important both for the petroleum refiners and the consumers. If the actual gasoline octane number is too high, the use of a superfu- ous anti-knock represents a loss for the refiners; on the contrary, if the octane level is too low, knock will result and risks of engine damage may occur. Various factors affecting the octane requirement of the car such as engine design, atmospheric conditions, service life of the car are reviewed. The octane level needed could only be assessed by actual measurements on cars representing the various type of cars in the country. Two consecutive studies for the requirement of the car population in Indonesia were carried out in 1978 and 1982 respectively, are described, and the results of the measurements of both studies are expressed octane requirement curves.
HYDROCRACKING OF VACUUM DISTILLATE AND LUBRICANT BASE STOCK PRODUCTION A.S. Nasution
Scientific Contributions Oil and Gas Vol 7 No 1 (1984)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/SCOG.7.1.1166

Abstract

Hydrocracking of vacuum distillate for middle distillate and lubricant base stock production has been carried out with temperature (from 400° to 420°). Hourly Liquid Space Velocity (from 0.422 to 0.88), Pressure (100 kg/cm2) and H2/Hydrocarbon ratio (1000 It/lt), by using a Catatest unit apparatus.

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