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All Journal Jurnal Teknoin Matematika dan Sains Communications in Science and Technology Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Scientific Contribution Oil and Gas LEMBARAN PUBLIKASI MINYAK DAN GAS BUMI
Wega Trisunaryanti
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Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Energy Engineering Environmental Science Mathematics Mechanical Engineering

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Journal : Scientific Contribution Oil and Gas

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Calculation Of Nitrogen Heat Adsorption On Various Catalysts Usingbet-Constant (Bet-0 Data) Triyono; Wega Trisunaryanti; Oberlin Sidjabat
Scientific Contributions Oil and Gas Vol. 31 No. 3 (2008): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

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Abstract

BET-C (Brunauer-Emmett-Teller-Constant) was used to calculate the heat of adsorp-tion (AHaijj of nitrogen gas on the various catalysts. The -well-known Brunauer-Emmett-Teller (B.E.T.) equation is usedprimarily to determine the surface area from the physicaladsorption of a gas on a solid surface. Surface area of catalysts -was determined by usingsurface area analyzer (NOVA 1000). The BET-C included in the data is usually neglected or is not taken into accoimt. How-evei; by using the basic principles of the adsorption theory fitted ivith the functions basedon the BET adsorption model, the iniportant data of BET-C can be shoivn in this study. Thevalue of the AHa(h (NJ for zeolite, H-zeolite, Pt/zeolite, Pt-Pd/zeolite, and Pt-Ce/zeolitecalculatedfrom the equation derivedfrom BET-C are -6.43, -6.52, -8.78, -8.69, -9.71 and-9.52 kJ/mol, respectively.
Co-Authors Bambang Setiaji Chairil Anwar Endang Triwahyuni I D. K. Anom Oberlin Sidjabat Ramdhani, Destania Ayu Rodiansono Rodiansono Sri Sudiono Triyono Triyono Triyono