PREPARASI DAN KARAKTERISASI ELEKTROKATALIS CuO-TiO2/C VULCAN, CuO-TiO2/C BINC…

Urea (CH₄N₂O) is widely used in agriculture, medicine, and industry; however, excessive accumulation can negatively impact the environment and human health. Therefore, a sensor that is fast, accurate, and stable is required. This study evaluates CuO-TiO₂/C electrodes based on Vulcan carbon, Binchotan carbon, and polyaniline (PANI) modification as urea sensors in 0.1 M NaOH. The electrodes…

PREPARASI DAN KARAKTERISASI ELEKTROKATALIS MnO2-TiO2/C DENGAN VARIASI KARBON …

This study aimed to develop and evaluate the performance of MnO₂–TiO₂/C composite electrodes as electrochemical sensors for methanol detection using different carbon materials, namely Vulcan carbon, binchotan carbon, and Vulcan carbon modified with polyaniline (PANI). XRD analysis confirmed the presence of crystalline MnO₂ and TiO₂ phases at 2θ angles of 28.6° and 25.3°, respective…

UJI KINERJA DAN DAYA TAHAN MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS P…

The use of fossil fuels such as coal, petroleum, and natural gas, which have a negative impact on the environment, has encouraged the development of clean and sustainable renewable energy sources, one of which is hydrogen, which can be used as fuel in fuel cells to generate electrical energy. One type of fuel cell that has been widely developed is the Proton Exchange Membrane Fuel Cell (PEMFC),…

APLIKASI METODE POTENSIOMETRI SEL KONSENTRASI UNTUK ANALISIS ION SENG (II) DA…

Zinc ion analysis in Sekanak River has been conducted using concentration cell potentiometric method. This method is proven valid because it has a correlation coefficient of 0.9980 linear area in the concentration range of 1x10-5 to 3x10-2 mol/L. The resulting precision was 0.9% with an average recovery value of 93.44%. In addition, the limit of detection (LoD) of the method was 1.03x10-6 mol/L…

STUDI PEMBUATAN DAN KARAKTERISASI ELEKTRODA ALKALINE FUEL CELL (AFC) HASIL EL…

A research has been done about study of preparation and characterization of Alkaline Fuel CelI (AFC) electrode resulted from electrodeposition of platinum (Pt) on backing layer carbon (C). The First step of this research was to make of backing layer that continued with analyzing of hydrophobicity and conductivity value. Electrodeposition was carried out on backing layer with variation of platin…

EFISIENSI ADSORPSI ZAT WARNA CONGO RED VARIASI KONSENTRASI, SUHU, pH, DAN WAK…

Limbah Merah Kongo (MK) merupakan limbah pewarna tekstil yang sering digunakan karena memiliki stabilitas termal tinggi, tetapi bersifat karsinogenik dan tidak dapat didegradasi oleh mikroba. Metode adsorpsi adalah salah satu metode yang paling sering digunakan untuk pengolahan air limbah. Hidroksi Lapis Ganda (HLG) digunakan sebagai adsorben alternatif yang memiliki kapasitas dan efisiensi ads…

EFISIENSI ADSORPSI CONGO RED OLEH HIDROKSI LAPIS GANDA CdIn MENGGUNAKAN METOD…

Limbah congo red bersifat karsinogenik, dan sulit dihilangkan. Limbah congo red dapat dihilangkan melalui proses adsorpsi Hidroksi Lapis Ganda-CdIn (HLG-CdIn) menjadi adsorben pertama kali yang berhasil dipreparasi dengan metode kopresipitasi. Spektrum FTIR menunjukkan -OH yang membuktikan terbentuknya HLG. Ion sulfit, ikatan -NH, dan ikatan C-C yang menunjukkan penyerapan congo red. Melalui uj…

UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY UNTUK DIRECT METHANOL FUEL CELL DENGA…

Harga membran Nafion-117 yang mahal menjadi kendala dalam komersialisasi membran. Oleh karena itu, regenerasi membran Nafion-117 yang telah digunakan menjadi salah satu alternatif untuk menanggulangi permasalahan tersebut. Pada penelitian ini, dilakukan proses regenerasi membran Nafion-117 dengan merendam membran menggunakan 2-propanol lalu dilanjutkan pengaktifan membran menggunakan larutan H2…

BUKU PEMBELAJARAN ELEKTROKIMIA

Edition

-

ISBN/ISSN

978-623-02-6364-4

Collation

viii, 104 hlm.; 23 cm

Series Title

-

Call Number

541.37 Wat p

PREPARASI ELEKTRODA V2O5/C UNTUK DETEKSI METANOL DENGAN ELEKTROLIT NA2SO4

Penelitian mengenai preparasi elektroda V2O5/C untuk deteksi metanol dengan elektrolit Na2SO4 yang bertujuan untuk preprarasi elektroda V2O5/C sebagai sensor untuk deteksi metanol. Deteksi metanol menggunakan metode analisis elektrokimia. Elektroda V2O5/C dibuat dengan menggunakan metode spraying pada permukaan plat alumunium. Pengujian sifat elektrokimia elektroda V2O5/C dilakukan dengan mengg…

PENGARUH VARIASI KUAT ARUS DAN WAKTU DARI METODE ELEKTROKOAGULASI TERHADAP KU…

Industri pembuatan tempe menghasilkan limbah cair yang jika langsung dibuang ke perairan dapat menurunkan daya dukung lingkungan. Suatu metode alternatif yang dapat digunakan untuk mengatasi permasalah limbah cair tempe ini adalah dengan menggunakan metode elektrokoagulasi. Penelitian ini dilakukan untuk menentukan pengaruh kuat arus dan waktu proses elektrokoagulasi terhadap kualitas limbah ca…

PENGEMBANGAN KATALIS KALIUM GLISEROLAT UNTUK PROSES PRODUKSI BIODISEL BERKELA…

PENGEMBANGAN KATALIS KALIUM GLISEROLAT UNTUK PROSES PRODUKSI BIODIESEL BERKELANJUTAN Karya tulis ilmiah berupa Tesis, Agustus 2023 Desi Erisna, Dibimbing oleh Dr. Ir. Hj. Susila Arita, DEA dan Dr.Fitri Hadiah,S,T.,M.T Development of potassium glycerolate catalyst for sustainable biodiesel production process xvii + 77 halaman, 3 Tabel, 17 Gambar, 4 Lampiran RINGKASAN Pengembangan katalis yang ra…

KINETIKA HIDROLISIS ENZIMATIK DARI SELULOSA SEKAM PADI YANG DIBERI PRAPERLAKU…

Rice husks contain cellulose as a raw material for manufacturing second-generation bioethanol. Cellulose from pre-treated rice husks was converted into reducing sugars through enzymatic hydrolysis using enzymes derived from Aspergillus niger. This study aims to determine the effect of variations in concentration, hydrolysis time and kinetics of enzymatic hydrolysis at enzyme concentrations of 1…

PENGARUH VARIASI BINDER, ELEKTROLIT DAN PEMAKAIAN EMULSI TERHADAP KINERJA BAT…

Lithium ion batteries are a type of secondary battery which means that they can be used many times if the power has started to run out by recharging, where this battery consists of four important components, namely the positive electrode (cathode), negative electrode (anode), electrolyte and separator. The use of anode material which is usually used in the manufacture of lithium ion batteries i…

UJI KINERJA DAN KETAHANAN MEMBRANE ELECTRODE ASSEMBLY DENGAN KATALIS PT-RU/C …

Abstract The research then was about performance and durability tests on the Membrane Electrode Assembly (MEA) using the catalyst of Pt-Ru/C and Pt/C for Direct Methanol Fuel Cell (DMFC) Mulitstack. Membrane Electrode Asssembly (MEA) was made by combining Pt-Ru/C and Pt/C with nafion membrane 117. MEA were characterized using Cyclic Voltammetry (CV) to determine the site active catalytic and th…

ELEKTRODEPOSISI KARBON BINCHOTAN DENGAN DISPERSI OKSIDA LOGAM VANADIUM MENJAD…

ABSTRACT ELECTRODEPOSITION OF CARBON BINCHOTAN WITH DISPERSION OF VANADIUM METAL OXIDE INTO CATALYST INK AND TEST IN PERFORMANCE ON THE MEMBRANE ELECTRODE ASSEMBLY DIRECTH METHANOL FUELL CELL M. Try Sandi; supervised by Dr. Nirwan Syarif, M.Si. Chemistry, Faculty of Mathematics and Natural Sciences, Sriwijaya University xvii + 60 pages, 4 tables, 14 pictures, 5 appendices The preparation and ch…

PREPARASI KARBON BERBAHAN DASAR KULIT TIMUN SURI DAN APLIKASINYA SEBAGAI ELEK…

SUMMARY Research has been conducted on the manufacture of carbon cucumber pulp and its application as an electrochemical double-layer electrode capacitor. This study aims to electrochemically predict carbon from cucumber pulp (DTS) with variations in the type of electrolyte concentration NaNO3 (sodium nitrate). Carbon DTS was made by the carbonization process for 16 hours and microwave dipiroly…

UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY (MEA) PADA PROTON EXCHANGE MEMBRANE F…

The test on performance of Membrane Electrode Assembly (MEA) on Proton Exchange Membrane Fuel Cell (PEMFC) with Pt-Black/C and Pt/C catalyst has been done. The study was conducted by four MEA. The four MEA were characterized using the Cyclic Voltammetry (CV) method to calculate the value of Electrochemical Surface Area (ECSA) and Electrochemical Impedance Spectroscopy (EIS) to calculate the con…

DEHIDRASI ISOPROPANOL MENJADI DIISOPROPIL ETER DENGAN KATALIS ZEOLIT NIKEL FO…

The preparation of nickel phosphate impregnated zeolite catalyst has been carried out with various concentrations of Zeolite-Ni(H2PO4)2, namely 2, 4, 6, 8 and 10 mEq/g. The purpose of this study was to apply the Zeolite-Ni(H2PO4)2 catalyst during the dehydration of isopropanol to diisopropyl ether and to characterize the best synthesis using XRD, SEM-EDS, and FTIR. The performance of Zeolite-Ni…

UJI KINERJA SERTA KETAHANAN MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS …

The research about has been carried out on performance and durability tests on the Membrane Electrode Assembly (MEA) using 40% Pt-Co/C electrodes at the anode and 12.5% Pt/C electrodes at the cathode in PEMFC has been done. MEA consists of electrodes and electrolyte membrane in the form of Nafion 212 membrane. The electrodes are made by spraying catalyst layer onto the surface of the gas diffus…

STABILITAS KOMPOSIT HIDROKSI LAPIS GANDA Zn-Cr/SELULOSA PADA ADSORPSI BERULAN…

The synthesized of layered double hydroxide Zn-Cr and layered double hydroxide Zn-Cr/Cellulose composite by coprecipitation method were characterized by XRD, FT-IR and SEM-EDS analysis. The synthesized material was used as an adsorbent in the regeneration process and adsorption of malachite green dye with variations in pH, time, concentration and temperature. The regeneration of the adsorbent w…

PENGARUH LAJU ALIR DAN WAKTU OPERASI PADA KONVERSI KARBON DIOKSIDA MENJADI ME…

Penelitian pengaruh laju alir dan waktu operasi pada konversi gas karbon dioksida menjadi metanol dengan metode reduksi elektrokimia menggunakan elektroliser multi-stack telah dilakukan. Persentase produk metanol diukur menggunakan methanol analyzer melalui variasi laju alir dan waktu operasi dengan analisis perhitungan berupa efisiensi faraday. Waktu operasi diukur menggunakan dua jenis stack …

PENGARUH VARIASI WAKTU DAN KUAT ARUS PADA PENGOLAHAN PALM OIL MILL EFFLUENT (…

Palm Oil Mill Effluent (POME) merupakan limbah yang berbahaya apabila dialirkan tanpa diproses terlebih dahulu. Pengolahan POME pada penelitian ini menggunakan metode elektrokoagulasi yang kemudian dilanjutkan dengan proses filtrasi zeolit. Penelitian ini bertujuan untuk mengetahui pengaruh variasi waktu kontak dan kuat arus pada proses elektrokoagulasi dan filtrasi zeolit terhadap penurunan ka…

DEHIDRASI ISOPROPANOL MENJADI DIISOPROPIL ETER DENGAN MENGGUNAKAN KATALIS ZEO…

The use of alternative fuels is still developing and being researched. One of the alternative fuels is diisopropyl ether which has a high cetane number so that it is good for use as a fuel. Diisopropyl ether can be obtained through the dehydration process of isopropanol. Zeolite has a hollow structure so that it can increase the surface area and has a high ion exchange capacity. Zeolite surface…

PENGARUH SUHU ELEKTROLIT KHCO3 DAN WAKTU ELEKTROLISIS PADA KONVERSI CO2 MENJA…

The conversion of CO2 to methanol with temperature variations in KHCO3 electrolyte and electrolysis time using the electrochemical reduction method with MEA has been completed. The electrolyzer used in this study is a single and double stack electrolyzer. The concentration of the methanol product resulting from CO2 reduction was measured using a methanol analyzer for each variation. In temperat…

HIDROLISIS SELOBIOSA MENGGUNAKAN KATALIS ZIRKONIA TERSULFATASI DENGAN PROMOTO…

Research entitled hydrolysis of cellobiose using sulfated zirconia catalyst with a gallium oxide promoter has been carried out. Sulfated zirconia catalyst with a gallium oxide promoter was synthesized with various promoter content of 2% (GSZ-2), 5% (GSZ-5) and 10% (GSZ-10). The catalyst obtained was analyzed by XRD, GSA, SEM-EDS and solid acidity. Sulfated zirconia and sulfated zirconia with a …

PEMBUATAN DAN KARAKTERISASI ELEKTRODA DENGAN KATALIS Pt-Co/C SERTA UJI KINERJ…

The manufacture and characterization of electrodes with Pt-Co/C catalysts as well as performance tests of the Membrane Electrode Assembly (MEA) on the Proton Exchange Membrane Fuel Cell (PEMFC) have been carried out. Pt-Co/C catalyst was made with various mass variations of Pt to Co by impregnation method. Each Pt-Co/C catalyst with variation/mass ratio Pt:Co = 1:0; 0.75:0.25; 0.50:0.50; 0.25:0…

PREPARASI DAN UJI KETAHANAN MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS …

Membrane Electrode Assembly (MEA) resistance test with Pt-Ru/C catalysts on multi stack Direct Methanol Fuel Cell (DMFC) have been carried out. Manufacture of electrodes with Pt-Ru/C catalysts with the method of Spraying. The electrode are made and chactarized using Cyclic Voltametry (CV) to determine the catalytic activity of the electrode based on the value Electrochemical Surface Area (ECSA)…

PRODUKSI HIDROGEN DENGAN METODE ELEKTROLISIS AIR MENGGUNAKAN PEM ELEKTROLISER…

Hydrogen can be used as an energy carrier be converted into electrical energy using a fuel cell with a by product of water. In nature, there are a lot of abundance of hydrogen however the existence is not as a free atom but affiliated with other elements, one of which is water. One of the methods that used to produce hydrogen by using PEM water electrolysis. This study using PEM water electroly…

PENGARUH WAKTU MILLING DAN PENGGUNAAN PCA (PROCESS CONTROL AGENT) TERHADAP KA…

SUMMARY THE EFFECT OF MILLING TIME AND USE OF PCA (PROCESS CONTROL AGENT) ON CATALYST CHARACTERISTICS OF Cu2O-ZnO/C FOR MEA PRODUCTION Resti Wulandari: Supervised by Dr. Dedi Rohendi, M.T and Dr. Nirwan Sharif, M.Sc. Chemistry, Faculty of Mathematics and Natural Sciences, Sriwijaya University xii + 66 pages, 11 pictures, 8 appendices Research on the effect of milling and the use of PCA (process…