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Hasil Pencarian

Ditemukan 4 dokumen yang sesuai dengan query
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Nasruddin
Optimization of hydrogen storage capacity by physical adsorption on open-ended single-walled carbon nanotube as diameter function
" In this paper, we perform combination methods of semi-empirical research, a theoretical approach, and force-matching to determine the optimum adsorption capacity on an open-ended single-walled carbon nanotube (SWCNT) as a diameter function. Using a semi-empirical study, we can determine the value of monolayer coverage and isosteric heat of adsorption from available thermodynamic data. By completing the semi-empirical study, we carried out quantum mechanical calculations to determine the adsorption energy on the interior and exterior of ... "
Depok: Faculty of Engineering, Universitas Indonesia, 2016
UI-IJTECH 7:2 (2016)
Artikel Jurnal  Universitas Indonesia Library
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Azhar Bin Ismail
An adsorption equilibria model for steady state analysis
" The investigation of adsorption isotherms is a prime factor in the ongoing development of adsorption cycles for a spectrum of advanced, thermally-driven engineering applications, including refrigeration, natural gas storage, and desalination processes. In this work, a novel semi-empirical mathematical model has been derived that significantly enhances the prediction of the steady state uptake in adsorbent surfaces. This model, a combination of classical Langmuir and a novel modern adsorption isotherm equation, allows for a higher degree ... "
Depok: Faculty of Engineering, Universitas Indonesia, 2016
UI-IJTECH 7:2 (2016)
Artikel Jurnal  Universitas Indonesia Library
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Euis Djubaedah
Modifikasi dan karakterisasi zeolit alam Indonesia untuk aplikasi penyimpanan energi panas sistem adsorpsi = Modification and characterization of Indonesian natural zeolits for adsorption thermal energy storage application
" Adsorption Thermal Energy Storage (ATES) adalah metode penyimpanan energi termal berbasis adsorpsi yang digunakan untuk mengatasi ketidakseimbangan antara supplai dan permintaan energi pada waktu bersamaan. Tujuan dari penelitian ini untuk meningkatkan sistem adsorpsi agar menghasilkan energi yang lebih besar dan sistem yang lebih ekonomis. Disertasi ini menyajikan analisa dari sistem ATES dengan menggunakan adsorben alami berupa zeolit alam asli Indonesia. Pada penelitian ini juga dilakukan modifikasi zeolit alam dengan menggunakan larutan NaCl untuk memperoleh kapasitas adsorpsi ... "
Depok: Fakultas Teknik Universitas Indonesia, 2021
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UI - Disertasi Membership  Universitas Indonesia Library
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The synthesis of Imidazoline Derivative Compounds as Corrosion Inhibitor towards Carbon steel in 1 % NaCl solution
" Oleic imidozaline is one of the nitrogen containing heterocyclic compounds that has been widely used as commercial corrosion inhibitor, especially in minizing the carbon dioxcide induced corrosion process in oilfield mining.... ... "
ITJOSCI
Artikel Jurnal  Universitas Indonesia Library