Results 91 to 100 of about 6,373 (146)

Increasing the Si/al Ratio of Natural Zeolite Mordenite as Basic Material of Catalyst [PDF]

, 2005
One of the application of zeolite as a multi-function mineral is the use as catalyst. Investigation to utilize Indonesian natural zeolite as a catalyst will increase the added value and gives a chance to reduce the dependency of imported catalyst. One of
Amelia, R. (R), Handhoyo, R. (Roocyta), Komala, R. (Ratna), Nurlela, I. (Iis), Prijatama, H. (Herry), Sofiyah, S. (Siti), Yusianita, N. (Nita)   +6 more
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Photocatalytic Production of Tio2-natural Zeolite From Tasikmalaya for Photodegradation of Methylene Blue [PDF]

, 2009
Photocatalyst is reaction process of one materials to another materials which aided by energy from ultraviolet radiation and solid catalyst. The study conducted by making a catalyst based on variation concentrates from natural zeolite Cikalong ...
A, A. S. (Arfan), N, A. R. (Atiek), Rakhmawaty, D. (Diana)   +2 more
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Analisis bibliometric adsorpsi Pb(II) menggunakan adsorben berbasis zeolite alam

Jurnal Beta Kimia
Penggunaan zeolit alam sebagai adsorben untuk penyisihan Pb(II) telah menjadi fokus penelitian yang signifikan. Penelitian ini ditujukan untuk menganalisis tren, kontribusi institusi, kerjasama penulis, dan fokus penelitian terkait penggunaan zeolit alam sebagai adsorben Pb(II) menggunakan analisis bibliometrik. Data dari Scopus menunjukkan peningkatan
Neolaka, Yantus Aristarkus B., Kalla, Eka B.S.   +1 more
openaire   +2 more sources

Pengaruh Temperatur Dan Waktu Pada Reaksi Hidrasi α-Pinena Dari Minyak Terpentin Dengan Katalis Zeolit Alam [PDF]

, 2014
Minyak terpentin dapat dihasilkan dari penyulingan getah pohon pinus (famili Pinaceae). Kandungan utama minyak terpentin adalah senyawa -pinena dengan rumus kimia 2,6,6-trimetil, bisiklo [3.1.1]-2-heptena.
Kusuma, S. (SBW), Supartono, S. (Supartono), Wijayati, N. (N)   +2 more
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Pengaruh Diameter Kanal Pelet Katalis Zeolit Aktif dan Ni-Zeolit terhadap Pirolisis Limbah Batang Pohon Sagu (Metroxylonsp.)

Jurnal Kimia Sains dan Aplikasi, 2013
Telah dilakukan pirolisis limbah batang sagu dengan katalis zeolit aktif dan Ni-zeolit dengan variasi diameter kanal pelet katalis. Pengaktifan zeolit alam dilakukan dengan perendaman HF 1%, HCl 1N (masing-masing selama 4 jam), pencucian dengan akuabides,
Fitri Lutfiana Rahayu, Rahmad Nuryanto, Linda Suyati   +2 more
doaj   +1 more source

Pembuatan Bioetanol dari Kulit Buah Nanas dengan Metode Solid State Fermentation (SSF) dan Pemurnian dengan Proses Distilasi-Adsorbsi dengan Variasi Ratio Bioetanol:Adsorben [PDF]

, 2014
Bioethanol is an ethanol which can be obtained by glucose fermentation from carbohydrate source that uses microorganisms help continued by distillation process.
Amraini, S. Z. (Said), Chairul, C. (Chairul), Safitri, N. (Nadira)   +2 more
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PEMILIHAN ADSORBEN UNTUK PENJERAPAN KARBON MONOKSIDA MENGGUNAKAN MODEL ADSORPSI ISOTERMIS LANGMUIR

Reaktor, 2013
ADSORBENT SELECTION FOR CO ADSORPTION USING LANGMUIR ISOTHERMIC ADSORPTION MODEL. The objective of this research is to choose the adsorbent that can be applied to decrease toxicity level and to purify fire smoke.
Yuliusman Yuliusman, Widodo Wahyu Purwanto, Yulianto Sulistyo Nugroho   +2 more
doaj   +1 more source

Adsorption Kinetics Study of Cr (III) Metals Using Activated Natural Zeolite [PDF]

, 2014
Several methods have been developed to reduce and minimize the presence of copper heavy metals that pollute waters, such as by adsorption method, is one of the natural zeolite material is widely used as an adsorbent.
Khimantoro, R. (Retno), Sunarno, S. (Sunarno), Yenti, S. R. (Silvia)   +2 more
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Sintesis dan Karakterisasi Katalis Nikel Zeolit Alam Ni/NZA

Journal of Bioprocess, Chemical and Environmental Engineering Science
Research has been conducted to manufacture Ni/NZA for catalytic cracking of empty palm fruit bunches into liquid fuel. The study aims to investigate the impact of metal impregnation and calcination time variations on catalyst crystallinity and morphology. The catalyst is produced in multiple stages, including NZ activation using acid, followed by metal
Syaiful Bahri, Edy Saputra, Syamsu Herman, Muhdarina Muhdarina   +3 more
openaire   +1 more source

OPTIMASI TEMPERATUR HIDRODESULFURISASI TIOFEN TERKATALISIS NI-MO/ZEOLIT ALAM

Jurnal MIPA, 2013
Telah dilakukan kajian mengenai pengaruh temperatur hidrodesulfurisasi terhadap produk hidrodesulfurisasi tiofen. Penelitian dilakukan untuk mengetahui temperatur optimum hidrodesulfurisasi tiofen dengan katalis Ni-Mo/zeolite alam. Variasi temperatur yang dilakukan adalah 3000C, 3500Cdan 4000C. Katalis Ni-Mo/Zeolit alam dipreparasi secara koimpregnasi.
openaire   +2 more sources