CHEMISTRY (KIMIA): Recent submissions
Now showing items 241-260 of 529
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Thermal Degradation of DVD and CD Disks with Vegetable Cooking oil
(Institut Teknologi Bandung, 2008-09-08)Waste DVD and CD disks were thermally degraded at 450 °C by a semi-batch process. 40 – 50 wt% of waste DVD and CD disks were converted into liquid product that consisted of phenol derivatives (~ 75 wt%), ... -
Isolasi dan Karakterisasi Lignin Dari Bahan Baku Ampas Tebu (Bagasse)
(Vincentius Kresna Atmadja, 2022-08-11)Tebu yang merupakan komoditas penting dalam sektor pangan maupun industri banyak ditemukan di wilayah beriklim tropis. Dengan lahan seluas 400 hektar, Indonesia mampu memproduksi tebu hingga 2,1 juta ton. Tingginya tingkat ... -
Pengaruh Jenis Karet Terhadap Sifat Fisik dan Mekanik Kompon untuk Rubber Suspension
(universitas pertamina, 2021-12-18) -
Sintesis Komposit Nanopartikel Besi Oksida (Fe2O3)-Xanthan Gum Serta Potensinya Sebagai Media Chemical Flooding Pada Proses Enhanced Oil Recovery (EOR)
(Universitas Pertamina, 2022-08-04)Peningkatan konsumsi minyak bumi di Indonesia, mendorong adanya peningkatan produksi, salah satunya melalui teknologi EOR yaitu chemical flooding. Chemical Flooding merupakan metode dengan menginjeksikan material kimia, ... -
Optimalisasi Ampas Teh yang Berpotensi sebagai Karbon Aktif untuk Adsorpsi Ion Logam Besi.
(DEDY RAJA DOLI SIAHAAN, 2022-08-08)Dedy Raja Doli Siahaan, 105116002. Optimalisasi Ampas Teh yang Berpotensi sebagai Karbon Aktif untuk Adsorpsi Ion Logam Besi. Penelitian tugas akhir ini tentang pemanfaatan limbah ampas teh yang dijadikan sebagai karbon ... -
SINTESIS DAN KARAKTERISASI NANOKOMPOSIT Fe3O4/rGO SEBAGAI KANDIDAT ADSORBEN CO2 PADA APLIKASI CARBON CAPTURE, UTILIZATION, AND STORAGE (CCUS)
(Indra Adinata, 2022-08-04)PenelitianTugas Akhir ini tentang sintesis material yang dapat diaplikasikan pada teknologi carbon capture, utilization, and storage (CCUS) dengan tujuan untuk menyintesis graphene oxide (GO), reduced graphene oxide ... -
Sintesis Komposit Nanopartikel Besi Oksida (Fe2O3) Xanthan Gum Serta Potensinya Sebagai Media Chemical Flooding Pada Proses Enhanced Oil Recovery (EOR)
(Universitas Pertamina, 2022-08-04)Peningkatan konsumsi minyak bumi di Indonesia, mendorong adanya peningkatan produksi, salah satunya melalui teknologi EOR yaitu chemical flooding. Chemical Flooding merupakan metode dengan menginjeksikan material kimia, ... -
Karakterisasi Metabolit Sekunder Tanaman Qust' Al-Hindi (Saussurea Lappa) secara Kualitatif dan Kuantitatif
(2022-08-03)Ana Lailatul Farida. 105118027. Karakterisasi Metabolit Sekunder Tanaman Qust’ Al-Hindi (Saussurea Lappa) secara Kualitatif dan Kuantitatif. Penelitian tugas akhir ini tentang pemanfaatan tanaman yang memiliki potensi ... -
Optimalisasi Ampas Teh yang Berpotensi sebagai Karbon Aktif untuk Adsorpsi Ion Logam Besi.
(DEDY RAJA DOLI SIAHAAN, 2022-08-03)Penelitian tugas akhir ini tentang pemanfaatan limbah ampas teh yang dijadikan sebagai karbon aktif dengan tujuan untuk mengurangi kandungan ion logam berat Fe pada air sungai. Melihat dari pemanfaatan ampas teh yang kurang ... -
Analisa Kadar Sulfat (SO42-) dari Sampel Air Minum dan Air Bersih Menggunakan Metode Spektrofotometri di Balai Laboratorium Kesehatan dan Pengujian Alat Kesehatan
(Galaxi Bintang Mahardika, 2022-07-14) -
Briquette from Durian Peel: Preparation and Characterization
(Universiti Teknikal Malaysia Melaka, 2013-10-31)The utilization of durian peels to produce briquette as a solid biofuel has been investigated. This work involved densification process and characterization of briquette from the durian peel in terms of its proximate ... -
Effect of Functional Endoscopic Sinus Surgery to the Flow Behavior in Nasal during Resting Breathing Condition
(Universiti Teknikal Malaysia Melaka, 2012-04-06)Functional endoscopic sinus surgery is a surgery to remove uncinate process in order to restore sufficient sinusventilation and drainagein nasal. However, there were a few cases withside effects ... -
Emission Characteristic of Alkaline-Catalyst Biodiesel
(Universiti Teknikal Malaysia Melaka, 2012-04-06)Fossil fuel resources are now facing fast depletion due to huge global demand. Factors such as climate change, rising fuel prices and instability in the Middle East, it might be a very good idea to have a biodiesel as a ... -
Nanofluid as Coolant in Automotive Cooling System-Heat Transfer Characteristics of Car Radiator using Cu-based Nanofluid
(Universiti Teknikal Malaysia Melaka, 2012-04-06)Nanofluid is a potential fluid with enhanced thermal physical properties as compared to conventional fluid. The conventional fluids such aswater and ethylene glycol acted as coolants ... -
Slow Release of Urea Encapsulated by Biodegradable Starch-PVA-Glycerol
(Universiti Teknikal Malaysia Melaka, 2012-10-16)The influence of the blending ratio of biodegradable starch/polyvinyl alcohol (PVA)/glycerolin encapsulating urea for slow release has been investigated. It is found that water absorption capacity ... -
Potential of Starch and Chitosan Based Adhesive in Slow Release Urea Fertilizer
(Universiti Putera Malaysia, Malaysia, 2012-09-06)Starch and chitosan are widely used in biomedical, pharmaceutical and agriculture due to its biodegradability, biocompatibility, and non-toxicity. This paper investigates the potential of starch and chitosan ... -
The Effect of Antimony Trioxide on the Pyrolysis of Styrenic Polymers
(Korea Institute of Energy Research, 2007-09-20)Brominated high impact polystyrene (Br-HIPS) which contained either 5% or 0% antimony trioxide (Sb2O3) and either decabromodiphenyl ether (DDO) or decabro-modiphenyl ethane (DDE) was pyrolysed in a fixed bed reactor at ... -
Controlled Pyrolysis of Brominated Flame Retardant Containing High Impact Polystyrene
(Korea Institute of Energy Research, 2007-09-20)Controlled pyrolysis of high impact polystyrene with brominated flame re-tardants deca-bromodiphenyl ethane(DDE) and deca-bromodiphenyl ether (DDO) in the presence of polyethylene(PE)/polypropylene( ... -
Pyrolysis Study of Brominated High Impact Polystyrene: Effect of Polyolefins
(Kyoto University, 2007-08-25)Pyrolysis of brominated high impact polystyrene in presence of polyolefins has been done. The pyrolysis products were analysed with GC/TCD, GC/FID, GC/MSDand GC/ECD. It was found that interaction occurs ...