HIDRODEOKSIGENASI CRUDE PALM OIL MENJADI ENERGI TERBARUKAN DENGAN KATALIS KOM…

Sintesis bentonit terpilar nikel nitrida telah dilakukan dengan variasi jumlah logam yakni 2, 4, 6, 8 dan 10 mEq/g. Hasil sintesis bentonit terpilar nikel nitrida diaplikasikan sebagai katalis pada proses konversi Crude Palm Oil menjadi energi terbarukan yakni biogasolin,bioavtur dan biosolar. Katalis bentonit terpilar nikel nitrida kemudian dikarakterisasi menggunakan analisis keasaman, XRD, s…

UJI KETAHANAN MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS Pt/C DAN Pt-Ru…

Membrane Electrode Assembly (MEA) resistance test study with Pt/C and Pt-Ru/C catalysts on Direct Ethanol Fuel Cell (DEFC) has been carried out. The electrode preparation using Pt/C and Pt-Ru/C catalyst was applied using the Doctor Blade method. The electrodes were characterized using the Cyclic Voltammetry (CV) method to determine the catalytic activity of the electrodes based on the value of …

HIDRODEOKSIGENASI CRUDE PALM OIL MENJADI BIOGASOLINE DENGAN KATALIS KOMPOSIT …

Katalis Bentonit telah dimodifikasi menggunakan logam kobalt nitrida dengan lima variasi kadar logam, yaitu 2, 4, 6, 8 dan 10 mEq/g. Tujuan dalam penelitian ini adalah mengaplikasikan katalis Bentonit-CoN dalam pembuatan biogasoline dan mengidentifikasi katalis terbaik. Katalis terbaik akan dikarakterisasi menggunakan instrumen XRD, FTIR dan SEM-EDS. Pemilaran bentonit dilakukan untuk meningkat…

PENGARUH VARIASI TEMPERATUR DAN WAKTU PIROLISIS TERHADAP KARAKTERISTIK BIOCHA…

Biochar adalah bahan tambahan alternatif kaya akan kandungan karbon yang diperoleh melalui metode pirolisis. Biochar dapat memasok unsur hara dan dilaporkan dapat meningkatkan produktivitas tanaman. Sumber biomassa seperti ampas tebu dan serbuk gergaji kayu puspa berpotensi untuk dikonversi menjadi biochar karena tersedia secara melimpah dan memiliki kandungan selulosa dan hemiselulosa yang rel…

HIDRODEOKSIGENASI CPO (CRUDE PALM OIL) MENJADI BIOGASOLINE DENGAN KATALIS BEN…

In this research, Na-Bentonite pilarization has been carried out using MoN metal with various concentrations of 2, 4, 6, 8 and 10 mEq/gram, to convert crude palm oil into biogasoline. Na-Bentonite is produced from the preparation process using saturated NaCl solution which is added to natural Bentonite.The results of CEC determination of natural Bentonite and Na-Bentonite have increased from 16…

PEMBUATAN DAN UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY (MEA) BERBASIS KATALIS …

Manufacturing and performance test of the Membrane Electrode Assembly (MEA) based on Pd / C and Pt / C catalysts has been carried out. MEA was made using the Catalyst Coated Membrane (CCM) method. Catalyst coating was carried out by spraying the catalyst directly onto the membrane (MEA 1) and coating the catalyst using capton (MEA 2). MEA was characterized using the Cyclic Voltammetry (CV) meth…

AKTIVITAS FOTOKATALITIK BENTONIT–TiO2 PADA FOTODEGRADASI ZAT WARNA METILEN …

A research has been conducted with the title Photocatalytic Activity of Bentonite-TiO2 on Photodegradation of Methylene Blue Dyes. Which aims to determine the effect of the bentonite-TiO2 composite on the degradation process of methylene blue. In this study, a bentonite-TiO2 composite was made by impregnating TiO2 metal at bentonite. Bentonite-TiO2 was then characterized using XRD and SEM-EDX. …

FOTOKATALITIK DEGRADASI ZAT WARNA METHYLENE BLUE MENGGUNAKAN KOMPOSIT Fe3O4/S…

Penelitian mengenai Fotokatalitik Degradasi Zat Warna Methylene Blue Menggunakan Komposit Fe3O4/SiO2/TiO2 telah dilakukan. Aplikasi Fe3O4/SiO2/TiO2 dilakukan untuk mendegradasi zat warna methylene blue menggunakan bantuan sinar UV. Fe3O4/SiO2/TiO2 dikarakterisasi menggunakan XRD, SEM-EDS, VSM, dan UV-Vis DRS. Hasil karakterisasi XRD menunjukkan intensitas puncak yang tajam pada 2θ = 35,87° de…

PENGARUH ZINC-2-MERCAPTOBENZOTHIAZOLE DAN ZEOLIT SEBAGAI FILLER TERHADAP KUAL…

Penelitian variasi konsentrasi Zinc Mercapthanbenzothiazole (ZMBT) dan zeolite terhadap kualitas karet busa telah dilakukan pada penelitian ini. Tujuan dari penelitian ini untuk menentukan pengaruh kosentrasi Zinc-2-Mercaptobenzothiazole (ZMBT) dan Zeolit terhadap kualitas karet busa terbaik dengan parameter uji perpanjangan putus, tegangan putus, kekerasan dan pampatan tetap. Variasi konsentra…

PEMBUATAN DAN UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS Pd…

The synthesis of Pd-Ni/C catalyst is an effort to reduce the use of Pt on the electrodes. The Pd-Ni/C catalyst is used as an anode catalyst’s were tested performance Membrane Electrode Assembly (MEA) for Proton Exchange Membrane Fuell Cell (PEMFC) application. The catalyst prepared by impregnating NiCl2.6H2O into Pd/C with total loading 0.5 mg/cm2. The Pd-Ni/C anode with ratio of Pd:Ni 100:0 …

PEMBUATAN DAN UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS Pd…

Fabrication and performance test of Membrane Electrode Assembly (MEA) by using Pd-Co/C catalyst on Proton Exchange Membrane Fuel Cell (PEMFC) had been done. Mass ratio Pd-Co/C catalyst was varied by using impregnation method. Furthermore, electrode sized 25 cm2 with loading 0.5 mg/cm2. Anode side was sprayed with Pd:Co catalyst varied by mass ratio at 1:0; 0.75:0.25; 0.50:0.50; 0.25:0.75; 0:1, …

PILARISASI BENTONIT DENGAN ZIRCONIUM NITRIDE UNTUK KATALIS HIDRODEOKSIGENASI …

Proses pilarisasi bentonit alam dengan zirconium nitride dilakukan dengan memvariasikan jumlah zirconium nitride dengan perbandingan 2,4,6,8 dan 10 mEq/g bentonit alam. Katalis Bentonit-ZrN dengan variasi 2,4,6,8 dan 10 mEq dan Bentonit-ZrN digunakan untuk hidrodeoksigenasi Crude Palm Oil (CPO) menjadi biogasoline, bioavtur dan biodiesel. Kation Na+ dari NaCl digunakan untuk menyeragamkan katio…

ISOLASI DAN UJI AKTIVITAS ANTIBAKTERI SENYAWA METABOLIT SEKUNDER DARI FRAKSI …

Edition

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ISBN/ISSN

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Collation

xvi, 43 hlm.; tab.; ilus.; 21 cm.

Series Title

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Call Number

T475032021

PENGARUH KONSENTRASI ELEKTROLIT KHCO3 PADA KONVERSI CO2 MENJADI METANOL MELAL…

Edition

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ISBN/ISSN

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Collation

xix, 36 hlm.; tab.; ilus.; 21 cm.

Series Title

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Call Number

T472742021

ISOLASI SENYAWA FENOLIK DARI FRAKSI ETIL ASETAT BUAH TUMBUHAN Ludwigia octova…

Ludwigia octovalvis termasuk salah satu jenis tumbuhan tropis yang berpotensi sebagai tumbuhan obat. Bioaktivitasnya sebagai antidiabetes dalam menghambat enzim α-glukosidase dari bagian buah tumbuhan ini belum pernah dilaporkan begitu juga dengan metabolit sekundernya. Penelitian ini bertujuan untuk mengisolasi senyawa metabolit sekunder dan penentuan aktivitas antidiabetes dalam menghambat e…

SINTESIS DAN KARAKTERISASI HIDROSIAPATIT DARI CANGKANG TELUR AYAM PETELUR (Ga…

Penelitian sintesis dan karakterisasi Hidrosiapatit dari cangkang telur ayam petelur (Gallus gallus domecticus) dan pengaruh penambahan SiO2 terhadap sifat mekanik telah dilakukan. Komposit disintesis dengan menggunakan metode sol gel. Komposit telah dilakukan karakterisasi dengan menggunakan XRD, SEM-EDS, Autograph dan Hardness Tester. Hasil karakterisasi uji XRD pada hidroksiapatit menunjukka…

DEGRADASI FOTOKATALITIK ZAT WARNA METILEN BIRU MENGGUNAKAN KOMPOSIT CoFe2O4-S…

Penelitian mengenai degradasi fotokatalitik zat warna metilen biru menggunakan komposit CoFe2O4-SiO2-TiO2 telah dilakukan. Sintesis komposit CoFe2O4-SiO2-TiO2 dilakukan dengan struktur core-shell-shell dengan CoFe2O4 sebagai inti magnetik yang selanjutnya dilapisi oleh SiO2, kemudian dilapisi oleh TiO2 sebagai material fotokatalis. Karakterisasi komposit CoFe2O4-SiO2-TiO2 dilakukan dengan mengg…

SINTESIS DAN KARAKTERISASI ZnO-Al2O3 SERTA APLIKASINYA PADA DEGRADASI REMAZOL…

The research on photodegradation of Remazol Red RB using ZnO-Al2O3 photocatalyst has been done. This study aims to determine the ratio of the optimum weight of Al to ZnO needed to degrade Remazol Red RB. The photodegradation process of Remazol Red RB was carried out in several variables including the effect of contact time and the initial concentration of the dye under conditions below pHpzc. C…

SINTESIS NANOPARTIKEL PERAK (AgNPs) MENGGUNAKAN EKSTRAK KAYU BATANG KECAPI (S…

Silver nanoparticles have been synthesized using the extract of stem kecapi as the reducing agent. Determination of the optimum conditions was carried out at variations in the extract volume, temperature, and concentration of AgNO3 using a UV-Vis spectrophotometer. The optimum conditions were obtained from variations in the extract volume, temperature, and AgNO3 concentration, respectively 12 m…

PREPARASI DAN PENGUJIAN ALLOY Na-Al DENGAN KATALIS Co/C SEBAGAI PENYIMPAN HID…

Na-Al alloy using Co/C catalyst at various mass variations of the catalyst was successfully synthesized. The alloy of Na and Al metals are made with a mole ratio (1: 1) and a milling time of 3 hours and a Ball to Powder Ratio (BPR) (10: 1). Based on the characterization results of XRD, the Na-Al + Co / C alloy formed according to JCPDS (No 22-1337) and JCPDS (No 42-1467). Meanwhile, the results…

PEMBUATAN KITOSAN-ZnO DAN UJI FOTODEGRADASI TERHADAP METHYLENE BLUE

Activity test of chitosan-ZnO as a photocatalyst in the photodegradation process of methylene blue has been carried out. The purpose of this study was to determine the effectiveness of chitosan-ZnO composites in the photodegradation process of methylene blue. Chitosan synthesized from shrimp shell waste obtained 52% of the weight of shrimp shell waste. Chitosan-ZnO was composited with three dif…

KONVERSI KARBON DIOKSIDA (CO2) MENJADI METANOL DENGAN METODE REDUKSI ELEKTROK…

Fabrication and characterization of Pt/C and Pt-Ru/C electrodes for the conversion of carbon dioxide to methanol have been carried out. The electrodes were characterized using X-Ray Diffraction (XRD), Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS). XRD analysis results shows the diffractogram of the electrode with a Pt/C catalyst obtained at 2θ = 39.7⁰ shows charact…

UJI KINERJA AKTIVATOR KALIUM PADA PRODUKSI HIDROGEN DARI LIMBAH ALUMINIUM DEN…

The performance of potassium activator on hydrogen production from aluminium waste with NaOH catalyst using aluminium-water method has been succesfully done. The aims on this research to determine the performance of potassium activator in hydrogen production on several variables and effect of NaOH catalyst and determine the kinetics aspects of the production rate. Hydrogen production was utiliz…

PILARISASI BENTONIT ALAM UNTUK DEHIDRASI ISOPROPIL ALKOHOL MENJADI DIISOPROPI…

The preparation of molybdenum phosphide pillared bentonite catalyst has been carried out with various variations of bentonite-MoP concentrations, namely 2, 4, 6, 8 and 10 meq/g. The purpose of this study was to apply the bentonite-MoP catalyst during the dehydration of isopropyl alcohol to diisopropyl ether and to characterize the best synthesis results using XRD, SEM-EDS, FTIR and GSA. Pilariz…

SINTESIS SEMIKONDUKTOR ZnO-Mg DAN APLIKASINYA SEBAGAI FOTODEGRADASI ZAT WARNA…

The synthesis of semiconductor ZnO-Mg and application for methylene blue photodegradation had been done. Semiconductor of ZnO was doped by Mg metal. The ZnO-Mg semiconductors were made with mass ratio (3.5:5), (2:3) and (2:1) and were characterized used XRD, UV-DRS (Diffuse Reflectance Spectroscopy) and SEM. The result of characterization using XRD showed a typical peak intensity at 2θ = 32.9�…

OPTIMASI TEMPERATUR DAN WAKTU KARBONISASI TERHADAP KARAKTERISTIK BIOBRIKET DA…

Biobriquettes from coconut fiber have been made with a mixture of kapok banana peels and tapioca with variation in temperature and carbonization time to optimum carbonitation tempertur and time and calorific value at the best condition. Coconut fiber were carbonized using a furnace with variations in temperature and carbonization time, variations in carbonization temperature used were 400"℃" …

HIDRODEOKSIGENASI CPO MENJADI BIOGASOLINE DENGAN KATALIS BENTONIT Zr/PHOSPHIDA

Bentonite Zr/Phosphida catalyst had been prepared for Hydrodeoxygenation of CPO into biogasoline. Bentonite was pillared using zirconium phosphide at various concentrations of zirconium phosphide i.e. 2, 4, 6, 8, and 10 meq/g to improve its catalytic activity on hydrodeoxygenation of CPO. The CPO hydrodeoxygenation process is carried out a cylindrical reactor which was fed with hydrogen gas. Hy…

PENGARUH KONSENTRASI ASAM SULFAT DAN WAKTU AKTIVASI ARANG TERHADAP KARAKTERIS…

The manufacture of biobriquettes from biomass in the form of empty oil palm fruit bunches with a mixture of plantain peel and tapioca adhesive has been carried out. Palm oil empty fruit bunch were carbonized at a temperature of 600℃ for 90 minutes. The carbonized OPEFB charcoal was activated with sulfuric acid with variations at activation time and sulfuric acid concentration. Activation time…

SINTESIS ZIRKONIA TERSULFATASI DENGAN PROMOTOR Ga2O3 DAN APLIKASINYA PADA EST…

Zirkonia tersulfatasi merupakan katalis asam heterogen yang potensial dalam pengembangan katalis ramah lingkungan. Untuk menambah keasaman katalis, ditambahkan promotor gallium kemudian diaplikasikan pada reaksi esterifikasi. Pada penelitian ini dibuat katalis zirkonia tersulfatasi dengan dan tanpa promotor gallium. Hasil sintesis dikarakterisasi dengan XRD dan SEM-EDS serta uji keasaman dengan…

IDENTIFIKASI SENYAWA ORGANIK FRAKSI ENDAPAN DARI EKSTRAK METANOL BUAH TEMBESU…

This research was conducted to identify organic compounds in the precipitate fraction of the methanol extract tembesu fruit (Fragraea fragrans) by LCMS/MS analysis and antibacterial activity against P. acnes, S.aureus and P.aeruginosa. Tembesu fruit (Fragraea fragrans) was extracted by maceration with methanol solvent and carried out at room temperature. Antibacterial test of organic compounds …