SINTESIS GRAFIT DARI LIGNIN HASIL ISOLASI LIMBAH TANDAN KOSONG KELAPA SAWIT M…

Grafit banyak dimanfaatkan dalam berbagai aplikasi industri, namun Indonesia masih sering mengimpor grafit sehingga diperlukan sumber alternatif. Lignin sebagai salah satu komponen dalam limbah tandan kosong kelapa sawit dan biasanya diabaikan, memiliki potensi dijadikan bahan baku sintesis grafit karena kandungan karbon yang tinggi. Proses isolasi lignin pada penelitian ini menggunakan metode …

SINTESIS NANOPARTIKEL PERAK (NPAg) MENGGUNAKAN EKSTRAK DAUN TUMBUHAN Antidesm…

Antidesma ghaesembilla or what is known locally as Sendulang has potential as a bioreductor in the synthesis of silver nanoparticles because it contains secondary metabolite compounds, one of which is flavonoids. A. ghaesembilla leaves have never been reported or studied for use as a bioductor in the synthesis of silver nanoparticles. Therefore, this research aims to synthesize silver nanoparti…

KARAKTERISASI RESERVOAR MENGGUNAKAN ATRIBUT SEISMIK PADA LAPANGAN “X” FOR…

Telah dilakukan penelitian mengenai uji aktivitas antihiperlipidemia ekstrak etanol daun kecipir (Psophocarpus tetragonolobus (L.) DC) pada tikus jantan wistar yang diinduksi diet tinggi lemak dan fruktosa. Tikus putih jantan galur Wistar dibagi menjadi enam kelompok yaitu normal, kontrol positif (simvastatin 0,9 mg/kgBB), kontrol negative (NaCMC 0,5%), dan tiga kelompok uji dengan dosis 100 mg…

APLIKASI METODE POTENSIOMETRI SEL KONSENTRASI UNTUK ANALISIS LOGAM TEMBAGA (C…

Validation of the potentiometric cell concentration method and analysis of copper metal in Sekanak river water has been carried out. This research aims to validate the concentration cell potentiometric method in determining copper metal (Cu) in water and determining the distribution of copper metal (Cu) in Sekanak river water. Validation parameters in this study include calibration curve linear…

PENENTUAN KADAR TOTAL FENOLIK, KADAR TOTAL FLAVONOID, AKTIVITAS ANTIOKSIDAN D…

Barringtonia acutangula or indian oak is a type of tree that are found in many swamps and river banks in Sumatera Selatan region. Determination of total phenolic content, total flavonoid content, antioxidant activity and toxicity of indian oak (Barringtonia acutangula) leaves extract was carried out. Extraction process was carried out by using increasing polarity maceration with n-hexane, ethyl…

MODIFIKASI ALUMINA SILIKA DENGAN TEMPLATE KHFTALAT SEBAGAI PENGEMBAN LOGAM Ni…

The research was conducted on the modification of alumina silica using a KHPthalate template as a carrier of Ni-Mo metal for hydrocracking catalysts for crude palm oil (CPO) into biogasoline and bioavtur. The concentration variations used were 5% and 25% with the addition based on the ratio of alumina nitrate in the catalyst synthesis. The hydrocracking process was carried out at 350°C for 2 h…

INKORPORASI PATI KULIT PISANG KEPOK DALAM PEMBUATAN EDIBLE FILM TEPUNG SAGU U…

Edible film is a thin layer used as packaging that can be consumed together with food products. This study aims to create an edible film made from sago flour incorporated with kepok banana peel starch to increase the viability of Lactobacillus plantarum bacteria. The resulting edible film was analyzed for its physical and mechanical properties, then analyzed for resistant starch and bacterial v…

SINTESIS KOMPOSIT KITOSAN/GRAPHENE OXIDE-Fe2O3 DENGAN METODE KOPRESIPITASI UN…

The research about synthesis of chitosan/graphene oxide-Fe2O3 composite using the coprecipitation method for adsorption of methylene blue dye. This research was conducted to determine the ability of the chitosan/GO-Fe2O3 composite in adsorbing methylene blue dye. This composite were characterized using XRD, SEM-EDS, BET and applied in adsorbing methylene blue. The methylene blue adsorption proc…

PENGARUH PERSENTASE BERAT KATALIS NI/C DAN TEMPERATUR PADA HYDROCRACKING PROD…

This study aims to determine the best operating conditions based on the effect of Ni/C catalyst weight percentage and temperature on hydrocracking of lignite coal pyrolysis products. The hydrocracking process was carried out using variations in catalyst weight percentage of 5, 10, 15, dan 20% also using temperature variations of 400, 450, 500, 550, and 600°C. Catalyst characterization was cond…

PENGARUH TEMPERATUR PIROLISIS BATUBARA LIGNIT TERHADAP BERAT JENIS DAN KARAKT…

In this research, lignite coal is used as raw material for making coal oil. The method used is the pyrolysis method using temperature variations of 450-600°C. The coal oil resulting from pyrolysis was analyzed using GC-MS, %yield, specific gravity, and heating value. The optimal temperature obtained in the lignite coal pyrolysis process is 500°C. The results of GC-MS analysis showed that the …

ANALISA SEBARAN LOGAM BERAT BESI (Fe) SERTA STATUS MUTU PERAIRAN PADA SUNGAI …

The research on the distribution of heavy metal iron (Fe) in Gasing River water has been conducted. This research aims to determine the distribution of heavy metal iron (Fe) pollution in Gasing River and the quality status of Gasing River water. This research began with sampling at seven points, including the upstream of Gasing River, Kenten Village Bridge, Gasing Tengah Bridge, Middle of Gasin…

PENGARUH TEMPERATUR PIROLISIS TERHADAP KUALITAS KARBON AKTIF DARI BATUBARA LI…

This study aims to determine the effect of temperature on the quality of activated carbon from lignite coal through the pyrolysis process. Activated carbon is made at a temperature increase rate of 0.5 dergress celcius per second . This test was carried out using temperature variations of 450, 500, 550, and 600 dergress celcius. Activated carbon was tested for quality by measuring water content…

SINTESIS KOMPOSIT MnFe2O4/KARBON AKTIF@ZnO UNTUK ADSORPSI DAN DEGRADASI ZAT W…

Research on the synthesis of MnFe2O4/Activated Carbon@ZnO for adsorption and degradation of Congo red dye. Coal-based activated carbon is chemically activated. Synthesis MnFe2O4/Active Carbon and MnFe2O4/Active Carbon@ZnO were synthesized using the coprecipitation method. The composite is a powder that is faded brown in color and is magnetic. The results of the synthesis of MnFe2O4/Activated Ca…

SINTESIS KOMPOSIT NiFe2O4/KARBON AKTIF@ZnO UNTUK ADSORPSI DAN DEGRADASI ZAT W…

This research aims to synthesize NiFe2O4/activated carbon@ZnO composite used in the adsorption and degradation process of Congo red dye. The synthesized product was characterized using XRD, VSM and UV-Vis DRS instruments against Congo red dye in various pH, dye concentration, and contact time. The synthesis of the NiFe2O4/activated carbon@ZnO composite was carried out using precipitation method…

SINTESIS KOMPOSIT Fe3O4/KARBON AKTIF@NiO UNTUK ADSORPSI DAN DEGRADASI ZAT WAR…

This research aims to synthesize Fe3O4/activated carbon@NiO composite used in the adsorption and degradation process of Congo red dye. Nanomagnetic Fe3O4 utilized to reduce the band gap value of NiO as well to impart magnetic properties. Activated carbon from bamboo is utilized as an adsorbent in the adsorption process and NiO as a photocatalyst in the degradation process. The Fe3O4/activated c…

PENERAPAN SONIKASI PADA ADSORPSI RHODAMIN B MENGGUNAKAN KARBON AKTIF CANGKANG…

This research uses palm oil shells as raw material for making active carbon. Activated carbon was activated using 10% H3PO4 and modified using Co(OH)2. The obtained pHPZC value is at pH 7, so the adsorption in this study was conducted at pH 8. In this research, adsorption was determined from adsorption kinetics and adsorption isotherms. Based on the results of XRD, FTIR electron microscope and …

SINTESIS KOMPOSIT FE3O4/KARBON AKTIF DARI BAMBU@ZNO UNTUK ADSORPSI DAN DEGRAD…

The rapid development of the textile industry has resulted in an increase in liquid dye waste produced. Congo red dye is widely used in textile production. Congo red has toxic properties so it will cause various diseases if it enters the human body in large quantities. Therefore, it is necessary to process dye liquid waste. In this research, the synthesis of Fe3O4/Activated Carbon@ZnO composite…

UJI KINERJA MEMBRANE ELECTRODE ASSEMBLY (MEA) MENGGUNAKAN KATALIS Pt-BLACK DA…

Performance testing of the membrane electrode assembly (MEA) using Pt-Black and Pt/C catalysts for direct methanol fuel cell (DMFC) on electrolyte membranes with varying methanol concentrations has been carried out. MEA is designed by combining Pt-Black electrodes on the anode side and Pt/C on the cathode side using Nafion 117 (N117) and Nafion 212 (N212) membranes. MEA was characterized using …

SINTESIS KOMPOSIT (BENTONIT-TIO2)-GO UNTUK PENYERAPAN ZAT WARNA METILEN BIRU

This research generates the synthesis of (bentonite-TiO2)-GO composites for the distribution of methylene blue dye. A dye that is often used for textile coloring purposes with various chemical properties, one of which is methylene blue. The dyes that are thrown away will end up as waste. This has the potential to harm human health and threaten aquatic ecosystems. The adsorption method is one th…

ANALISIS PENCEMARAN LOGAM BERAT TEMBAGA DALAM SEDIMEN DI SUNGAI GASING BERDAS…

Heavy metal copper (Cu) in the sediment of Gasing River, Banyuasin, South Sumatra has been studied. The research aims to determine the distribution of copper (Cu) metal and determine the level of copper (Cu) metal pollution in sediments based on the geoaccumulation index. The research began with sediment sampling at six locations in the upstream to downstream of the Gasing River. Sediment sampl…

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…

APLIKASI METODE POTENSIOMETRI SEL KONSENTRASI UNTUK ANALISIS LOGAM TIMBAL (PB…

Validation of the potentiometric cell concentration method and analysis of lead metal in Sekanak river sediments has been carried out. The aims research to validate the concentration cell potentiometric method in determining lead metal (Pb) in sediments and determine the distribution of lead metal (Pb) in Sekanak river sediments. The concentration cell potentiometric method was proven to be val…

SINTESIS NANOPARTIKEL PERAK (NPAg) MENGGUNAKAN EKSTRAK KULIT BATANG ANTIDESMA…

Silver nanoparticles (AgNPs) are used as an alternative way to overcome antibiotic resistance because silver nanoparticles have antibacterial properties. Therefore, this research aimed to synthesize silver nanoparticles with an environmentally friendly method using bark extract of Sendulang (Antidesma ghaesembilla) and antibacterial activity against Staphylococcus aureus and Escherichia coli. T…

UJI AKTIVITAS ANTIOKSIDAN EKSTRAK METANOL KUNYIT (Curcuma longa) DAN EFEK KOM…

SUMMARY ANTIOXIDANT ACTIVITY TEST OF METHANOL EXTRACT OF TURMERIC (Curcuma longa) AND ITS COMBINATION EFFECTS Herlina: supervised by Dra. Julinar, M.Si. and Dr. Zainal Fanani, M.Si. Chemistry, Faculty of Mathematics and Natural Sciences, University of Sriwijaya xv + 31 pages, 4 figures, 4 tables, 5 appendices Turmeric (Curcuma longa) is one of the medicinal plants from the Zingiberaceae family …

PENGARUH KANDUNGAN Fe DALAM Fe/C TERHADAP SIFAT PRODUK HYDROCRACKING BATUBARA…

Fossil-based fuels such as petroleum remain the primary energy source in Indonesia, particularly in the transportation sector. Continuous economic growth has led to increased consumption of these fuels. Coal is used as an alternative energy source. The purpose of this research is to develop a method for improving the quality of lignite coal through pyrolysis and hydrocracking processes, thereby…

STANDARDISASI EKSTRAK ETANOL TUMBUHAN DAUN PACAR KUKU (Lawsonia Inermis L.)

According to pharmacological studies, henna leaves are reported to have various activities, including antibacterial, antifungal, antitumor, antiproliferative, antiangiogenic, antileishmanial, hepatoprotective anti-irritant, antioxidant, anticarcinogenic, anti-inflammatory, analgesic, antipyretic, and antioxidant. In addition, henna plants are reported to contain phenolic compounds (isoplumbagin…

PENGARUH PENAMBAHAN BIOBASED COOKING AID TERHADAP KUALITAS UNBLEACHED PULP DE…

Wood is the main and most expensive raw material in pulp production; therefore, its processing must be optimized for sustainability. The absorption of cooking liquor into wood chips is crucial to ensure optimal delignification. Improvements can be achieved through an impregnation stage before cooking to ensure even liquor penetration, as well as by using cooking aids that reduce surface tension…

SINTESIS OKSIDA GRAFENA TEREDUKSI DARI SEKAM PADI DAN APLIKASINYA UNTUK ADSOR…

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xv, 42 hlm.; ilus.; 29 cm

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Call Number

T1598252024

PENGARUH KONSENTRASI ELEKTROLIT NaNO₃ DENGAN PELARUT (DMSO DAN H₂O) TERHA…

This research is motivated by the use of sodium ion batteries as an alternative to lithium ion batteries, as they share similar properties and characteristics but are cheaper, more environmentally friendly, and made from more abundant raw materials. In general, the components of a battery cell consist of electrodes, electrolyte, and separator. The electrodes include a positive electrode (anode)…

DEOKSIGENASI ASAM OLEAT MENJADI BIOAVTUR MENGGUNAKAN KATALIS BENTONIT BERPILA…

The depletion of fossil fuel resources and the increasing environmental crisis caused by greenhouse gas emissions have driven the search for renewable and environmentally friendly alternative fuels. The aviation sector still relies on fossil fuels and produces high greenhouse gas emissions, so it is necessary to develop aviation fuels from renewable sources. Bioavtur is one alternative that can…