Master Theses
Master Theses
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Now showing items 81-100 of 139
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Pemanfaatan Buah Sawit Sisa Sortiran Sebagai Sumber Bahan Baku Asam Lemak
(Universitas Sumatera Utara, 2009)Residual palm sorted is a kind of seed palm which passed harvest term TBS (fresh stem of palm) with high content of fatty acid. If this residual palm sorted was processed together with TBS, it will decrease the quality of ... -
Impregnasi Kayu Kelapa Sawit dengan Poliblen Polipropilena/Karet Alam dan Asam Akrilat
(Universitas Sumatera Utara, 2001)The impregnation of Palm Oil Trunk (POT) has been done by using polyblend polypropylene/natural rubber and acrylic acid. The impregnation technique is the attempts to fill the POT pores by polyblend polypropylene/natural ... -
Pengembangan Minyak Sawit dan Produk Turunannya Sebagai Bahan Baku Pelumas Padat (Grease)
(Universitas Sumatera Utara, 2006)The aim of research was to study possibility of crude palm oil (CPO) and its derivatives as raw material of solid lubricant (grease). The research was divided into two activities i.e. produce metal soap and grease formulation. ... -
Pengaruh Modifikasi Kimia Terhadap Sifat-Sifat Komposit Polietilena Densitas Rendah (LDPE) Terisi Tempurung Kelapa
(Universitas Sumatera Utara, 2008)This research is aimed to investigate the effect of coconut shell (CS) content with low density polyethylene (LDPE) matrix and the effect of CS modification with acetic acid or acrylic acid on mechanical properties, ... -
Altrnatif Penggunaan Hidrogen Peroksida Pada Tahap Akhir Proses Pemutihan Pulp
(Universitas Sumatera Utara, 2007)Efficiency of hydrogen peroxide at final stage of pulp bleaching on acacia kraft pulp was compared with chlorine dioxide in terms of brightness, brightness reversion, viscosity, paper strenght (tear and tensile index) and ... -
Sintesis Surfaktan 2-Heptadekil-4-{α-II,δ-II(α,ß,y-Trihidroksibutil Miristat)}-1,3-Dioksolan
(Universitas Sumatera Utara, 2002)Sorbitol has been partially acetylated from the reaction of sorbitol and aceticanhyride without solvent and catalyst to produce acetyl sorbitol with the yield of 71%. Myristic acid was methanolyzed by using H2S04 as the ... -
Pengolahan Limbah Cair Industri Tahu Dengan Biofiltrasi Anaerob Dalam Reaktor Fixed – Bed
(Universitas Sumatera Utara, 2008)Study on the effect of varying influent COD concentration, hydraulic retention time (HRT) of the reactor, and height of medium of the reactor to percentage reduction of COD and mixed liquor suspended solid (MLSS) from tofu ... -
Proses Produksi Biodiesel Sawit Secara Sinambung
(Universitas Sumatera Utara, 2005)A system for continuous two stages transesterification of palm oil in pilot scale was developed using a continuous stirred-tank reactor (CSTR) and pumps for continuous delivery of palm oil and catalyst and for continuous ... -
Penurunan Kadar Warna Limbah Cair Industri Pencucian Jeans dengan Kitosan dan Jamur Lapuk Putih (Trametes Versicolor)
(Universitas Sumatera Utara, 2008)hithosan and white road fungi as a waste rarely used until now and needed to developed further for wastewater treatment which is more economically viable and biodegradable. Study on the effect of white road fungi as a ... -
Pengolahan Limbah Cair Pabrik Kelapa Sawit dari Unit Deoiling Ponds Menggunakan Membran Mikrofiltrasi
(Universitas Sumatera Utara, 2009)Crude palm oil (CPO) production would be increased in Indonesia, so it could create the amount of liquid waste. Therefore conducted by research in laboratory scale to know performance microfiltration ceramic membrane to ... -
Optimasi dan Kinetika Transesterifikasi Minyak Sawit Menjadi Etil Ester
(Universitas Sumatera Utara, 2005)The production of ethyl ester from Refined-Bleached and Deodorized Palm Oil (RBDPO), to be used asa diesel substitute (biodiesel) has been studied. The experiments have been performed to determine the optimum condition and ... -
Praperlakuan Fisik dan Biologi terhadap Biomassa Eceng Gondok Untuk Produksi Enzim Selulase Oleh Aspergillus Niger dan Trichoderma Reesei
(Universitas Sumatera Utara, 2013)The Overgrowth of water hyacinth leads to eutrophication of water bodies as it exhausts nutrient and oxygen contents in water. However, it can be potentially used as lignocellulose biomass for cellulase production by several ... -
Sintesis Lemak Margarine dari Fraksi Minyak Sawit yang Diperkaya Asam Lemak Omega-3 secara Enzimatik
(Universitas Sumatera Utara, 2002)Interesterification reaction involves intramolecular and intermolecular exchange of acyl groups among triglycerides resulting in the changes on the physical and chemical properties of the result triglycerides. The experiment ... -
Pemanfaatan Biji Asam Jawa (Tamarindus indica) Sebagai Koagulan Alternatif Dalam Proses Penjernihan Limbah Cair Industri Tahu
(Universitas Sumatera Utara, 2008)Tamarind seeds as waste are rarely used until now and needed to be developed further for wastewater treatment which is more economically viable and biodegradable. Study on the effect of tamarind as a coagulant with various ... -
Sintesis Surfaktan Campuran Poliglikil N-Etil Sisteina
(Universitas Sumatera Utara, 2002)Amination of cystein amino acid with ethyl chloride gave N-Ethyl cystein in 76% yield. Polyglycyl N-Ethyl cystein was prepared from the reaction of polyethylene glycol and N-Ethyl cystein in 58% yield. The product formed ... -
Pemanfaatan Biji Kelor (Moringa Oleifera) sebagai Koagulan Alternatif dalam Proses Penjernihan Limbah Cair Industri Tekstil
(Universitas Sumatera Utara, 2009)Exploiting of seed kelor during the time which only as waste is seldom to be used require to develop furthermore for the management of liquid waste, for more economic and environmental friendliness. Research to know the ... -
Sintesis Surfaktan Tert-Butil 6-O-Butanoil Galaktosida Melalui Reaksi Setalisasi Antara Galaktosa dengan Tert-Butanol yang Diikuti Reaksi Esterifikasi dengan Asam Butirat
(Universitas Sumatera Utara, 2021)A surfactant tert-butil-c-Osbutanoyl galactoside ester has been synthesized from galaktose, tert-butanol and butyric acid in a series of reactions, i.e. acetalization and esterification. Acetalization of D-galaetose with ... -
Sintesis Surfaktan 2-Heptadekil4-(Metilen-2-Hidroksi Propanoil)-1,3-Dioksolan
(Universitas Sumatera Utara, 2002)Acetalitation of monolactoyl glycerol with stearaldehyde gave 2-heptadecyl-4-(methylene-2-hidroxy propanoyl)- 1,3-dioxolane with a yield of 82 %. Monolactoyl glycerol was prepared from sodium lactate and a-monochlorohidrin ... -
Peranan Anhidrida Maleat Terhadap Kompatibilitas Campuran Polietilena Dan Karet Alam Sir 20 dengan Pengisi Pulp Tandan Kosong Sawit
(Universitas Sumatera Utara, 2001)Compatibility of polyethylene (PE) and oil palm bunch pulp filler (OPBP) was in investigated by addition of natural rubber SIR 20 (NR) and maleic anhydride (MA) as coupling agent. In this work blending of the polymers was ... -
Oksidasi Pati Dengan Molekul Oksigen Menggunakan Kataus Tripel, Paladium Asetat-Benzokuinon-Heteropolyacid dalam Pelarut Aseton/Air
(Universitas Sumatera Utara, 2001)Starch has been oxidized by molecular oxygen in acetone/aquadest catalyzed by Pd(II)acetate-benzoquinone-heteropolyacid producing oxidized starch (37%), where primary alcohols were converted to carboxylic acids. Then the ...
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