Ditemukan 5 dokumen yang sesuai dengan query
Aryo Abyoga Adhyaksa
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ABSTRAK
The interaction of cationic surfactant (CTAB, Cationic surfactant hexadecyl
trimethyl ammonium bromide ((C₁₆H₃₃)N(CH₃)₃BR and TTAB, Tetradecyl
trimethyl ammonium bromide ( )), a prevalent chemical in the industrial
and natural processes, with water ( ) has been studied using GROMACS
program and VMD program. In the following project, to simulate the CTAB and
TTAB at air-water interface, GROMACS (Groningen Machine for Chemical
Simulations) software is used. GROMACS is a molecular dynamics package
designed for primary use of simulation of biochemical molecules like proteins,
lipids, ...
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Fakultas Teknik Universitas Indonesia, 2012
S43554
UI - Skripsi Open Universitas Indonesia Library
Makhsun
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2009
T39875
UI - Tesis Open Universitas Indonesia Library
Pandiangan, Korlina
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Banyak industri mengeluarkan air limbah yang berbahaya dan memiliki toksisitas tinggi. Senyawa fenol merupakan salah satu senyawa yang non-biodegradable dan beracun (toxic), yang sangat berbahaya bagi lingkungan sekitar apabila dibuang secara sembarangan. Proses ozonasi telah dikembangkan sebagai salah satu metode untuk mendegradasi senyawa fenol ini. Akan tetapi penyisihan fenol dalam air limbah cukup sulit dilakukan dengan menggunakan ozonasi tersebut, mengingat sifat ozon yang mudah terdekomposisi menjadi oksigen. dengan demikian keberadaan ozon dalam air limbah untuk ...
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Depok: Fakultas Teknik Universitas Indonesia, 2006
S49606
UI - Skripsi Membership Universitas Indonesia Library
Sutrasno Kartohardjono
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The study has been conducted to evaluate the effectiveness of the natural solvent from noni fruit for CO2 gas absorption from CH4 through hollow fiber membrane gas-liquid contactors. The solvent was made of 100 grams noni fruit per liter of water. In experiments, the solvent flowed to the shell side of the contactor, while the gas mixture flowed to the lumen fiber. The experimental results showed that mass transfer coefficients in the contactors increased with ...
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Depok: Faculty of Engineering, Universitas Indonesia, 2011
UI-IJTECH 2:2 (2011)
Artikel Jurnal Universitas Indonesia Library
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Multiphase flows are typically described assuming that the different phases are separated by a sharp interface, with appropriate boundary conditions. This approach breaks down whenever the lengthscale of the phenomenon that is being studied is comparable with the real interface thickness, as it happens, for example, in the coalescence and breakup of bubbles and drops, the wetting and dewetting of solid surfaces and, in general, im micro-devices. The diffuse interface model resolves these probems by ...
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New York: [, Springer], 2012
e20398556
eBooks Universitas Indonesia Library
