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PREPARASI DAN KARAKTERISASI SUBMIKRO PARTIKEL KITOSAN –ALGINAT PEMBAWA EKST…
Pemanfaatan teknologi farmasi dalam bentuk submikro partikel ekstrak etanol daun kirinyuh bertujuan untuk mengatasi permasalahan sifat senyawa flavonoid yang mudah teroksidasi dan rusak terhadap pengaruh suhu dan intensitas cahaya tinggi. Flavonoid merupakan senyawa metabolit sekunder yang berpotensi sebagai antioksidan. Pembuatan submikro partikel berbasis polimer berupa kitosan-alginat dan st…
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- xviii, 124 hlm.; ilus.; 29 cm
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- T643362022
PREPARASI KOMPOSIT HIDROKSI LAPIS GANDA Zn/Al-SELULOSA DAN APLIKASINYA SEBAGA…
Synthesis of Zn/Al Layered Double Hydroxide and preparation of Zn/Al-Celluose have has been carried out with the coprecipitation method. Material has been obtained using as adsorbent of malachite green with various conditions, pH, Adsorption Time, Temperatur and Adsorption concentration, and Material Regeneration. The material was analyzed with many analyses, including Diffraction (XRD) analysi…
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- xviii, 43 hlm.; ilus.; 29 cm
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- T793932022
MODIFIKASI DAN PEMANFAATAN BENTONIT SEBAGAI AGEN ADSORPSI ZAT WARNA RHODAMIN-…
Research has been carried out on the manufacture of Na-Bentonite which is used as an adsorbent for Rhodamine-B dye. Ca-Bentonite and Na-Bentonite were characterized using Fourier Transform Infra Red (FT-IR), Scanning Electron Microscope (SEM), and X-Ray Diffraction (XRD). The adsorption process of Rhodamine-B dye on the adsorbent was studied through the effect of contact time, adsorbent mass, d…
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- xvii, 34 hlm.; ilus.; 29 cm
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- T791842022
PENGARUH TEMPERATUR HUMIDIFIER DAN LAJU ALIR HIDROGEN TERHADAP KINERJA MEA PA…
Research on the effect of humidifier temperature and hydrogen gas flow rate on MEA performance of PEMFC has been done. This study used MEA with Pt/C catalyst at the anode and Pd-Co/C at the cathode. The MEA was characterized using the Cyclic Voltammetry (CV) method to determine the Electrochemical Active Surface Area (ECSA) and Electrochemical Impedance Spectroscopy (EIS) to determine the condu…
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- xv, 51 hlm.; ilus.; 29 cm
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- T791992022
PENGARUH AKTIVATOR CAO DAN KATALIS KOH PADA PRODUKSI HIDROGEN DENGAN MENGGUNA…
Research on the effect of CaO activator and KOH catalyst on hydrogen production from aluminium waste using aluminum-water method has been successfully done. The aims this research were to determine the performance of calcium oxide activator in hydrogen production at several variables and to evaluate the effect of KOH catalyst and on the rate of hydrogen production. Aluminum waste measuring 60 a…
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- xvii, 36 hlm.; ilus.; 29 cm
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- T813042022
PREPARASI KOMPOSIT HIDROKSI LAPIS GANDA Ni/Al-SELULOSA DAN APLIKASI SERTA REG…
Synthesis layered double hydroxide (LDH) Ni/Al and preparation Ni/Al-Cellulose layered double hydroxide composite have been carried out. The material obtained was used in the adsorption process of malachite green dyes. The material was analyzed by X-Ray Diffraction (XRD), Fourier Transform-Infra Red (FT-IR), and Scanning Electron Microscopy (SEM). Ni/Al-Cellulose LDH composite was applied in ad…
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- xix, 52 hlm.; ilus.; 29 cm
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- T672112022
KOMPOSIT HIDROKSI LAPIS GANDA Ca/Al DAN Mg/Al BERBASIS BIOCHAR SEBAGAI ADSORB…
Fenol merupakan senyawa organik yang bersifat toksik dan sulit didegradasi yang apabila terakumulasi dalam jumlah yang banyak akan membahayakan bagi kesehatan manusia. Upaya untuk mengatasi hal tersebut ialah dengan menggunakan metode adsorpsi dengan menggunakan hidroksi lapis ganda sebagai adsorben yang dimodifikasi dengan biochar. Modifikasi komposit hidroksi lapis ganda Ca/Al dan Mg/Al mengg…
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- xviii, 118 hlm.; ilus.; 29 cm
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- T815562022
PEMANFAATAN BENTONIT TERMODIFIKASI SEBAGAI AGEN KOAGULASI PENGOLAHAN AIR LIMB…
Modification of Baturaja natural bentonite (Ca-bentonite) was carried out by cation exchange method into Na-bentonite and H2-bentonite. The formation of Na-bentonite is done by adding saturated NaCl to Ca-bentonite which aims to activate Na+ and replace Ca2+ ions. The formation of H2-bentonite was carried out by adding a saturated solution of NH4Cl in Na-bentonite. Characterization using FTIR s…
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- xvi, 38 hlm.; ilus.; 29 cm
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- T750212022
PENGARUH LAJU ALIR GAS HIDROGEN DAN SUHU HUMIDIFIER TERHADAP KINERJA MEMBRANE…
ABSTRACT EFFECT OF GAS FLOW RATE AND HUMIDIFIER TEMPERATURE ON THE PERFORMANCE OF MEMBRANE ELECTRODE ASSEMBLY (MEA) WITH Ti-Co/C CATALYST ON SINGLE STACK PEMFC Muhammad Prima Utama, supervised by Dr. Dedi Rohendi M.T and Dr. Eliza, M. Si Chemistry, Faculty of Mathematics and Natural Sciences, Sriwijaya University xv + 43 Pages, 10 Pictures, 7 Attachments The research has been carried out on the…
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- xv, 26 hlm.; ilus.; 29 cm
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- T792892022
UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS Pd/C PADA LAJU A…
Membrane Electrode Assembly (MEA) performance test study with Pd/C catalyst on gas flow rate and varied PEMFC stack temperature has been conducted. The making of Pd/C catalyst electrodes was carried out by the spraying method. MEA was characterized by Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS) methods to obtain an ECSA value 442.54 g/cm2 and a conductivity value of…
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- xix, 55 hlm.; ilus.; 29 cm
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- T670612022
ELEKTROLISIS AIR MENGGUNAKAN MEMBRANE ELECTRODE ASSEMBLY (MEA) DENGAN KATALIS…
Test on the electrolysis of water using Membrane Electrode Assembly (MEA) with Cu2O/C catalysts on current and loading catalyst varied has been done. The electrode was characterized using Cyclic Voltammetry (CV) method and Electrochemical Impedance Spectroscopy (EIS). The ECSA and the electrical conductivity maximum value of the electrode with Cu2O/C catalyst was on loading of catalyst 2 mg/cm2…
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- xvii, 34 hlm.; ilus.; 29 cm
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- T670762022
PENENTUAN KONDISI OPTIMUM LAJU ALIR GAS HIDROGEN TERHADAP PRODUK HIDROCRACKIN…
The research of jatropha cator oil hydrocracking by using Co/Mo Montmorillonite pillared Ti02 catalayst has been done. The hydrocracking process was conducted at 500 °C of temperature, 2 g of catalyst weight and 0.5; 1.5; 2.5; 3.5 mL/sec of hydrogen gas flow rate variation. The product of hydrocracking was calculated in percentage of non polar, polar, coke, and gas one. The density of the non …
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- xiii, 35 hlm.; ill.; tab.; 28 cm.
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- T666802010
PENGARUH RASIO AIR: ETANOL TERHADAP SIFAT PRODUK HYDROCRACKING CPO MENGGUNAKA…
The research of influence water : ethanol had been done towards of hydrocracking CPO using Ni-Zeolit catalyst. It’s made by Impregnation proces by to dissolved Ni(N03)2.6H20 in to solution water : ethanol with ratios (50 mL : 0 mL, 34 mL : 16 mL, 16 mL : 34 mL and 0 mL : 50 mL). It was stirred diiring 24 hours at the same time dropped by ammonia during first four hours. The impregnationed the…
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- xiii, 47 hlm.; ill.; tab.; 28 cm.
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- T662932010
PENGARUH CAMPURAN PELARUT (AIR: ETANOL) DALAM PEMBUATAN KATALIS NIKEL-KARBON …
The influence mixture of solution (water: ethanol) in production of nickelcarbon catalyst toward the characteristic of hydrocracking CPO product have been done by determined the value heat of combustion product and the analysis of gas chromatography to know the influence of the dissolved variation. Based on the research, has been found that the best variation of dissolved is the dissolved with …
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- xii, 41 hlm.; ill.; tab.; 28 cm.
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- T659142010
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