Master Theses
Master Theses
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Now showing items 101-120 of 139
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Pembuatan Komposit Polipropilena dengan Penguat Serat Polipropilena Terorientasi dan Bahan Pengikat Anhidrida Maleat
(Universitas Sumatera Utara, 2005)Research was done on making composite from polypropylene matrix (PP) with reinforcement oriented polypropylene fibre (OPF) by using hot-compression method at temperature 165ºC for 2 minutes. In order to know the quality ... -
Optimasi Proses Produksi Gliserol Monooleat dari Gliserol Hasil Samping Pembuatan Biodesel
(Universitas Sumatera Utara, 2005)Glycerol residuefrom by product ofbiodiesel processing once be purified by chemical and physical pretreatments to dissociate crude glycerol and impurities (fatty acids, catalyst and water). Catalyst concentration (% weigh ... -
Pembuatan Furfural dari Sembung Rambat (Mikania micrantha) dengan Menggunakan Asam Organik dari Belimbing Wuluh (Averrhoa blimbi)
(Universitas Sumatera Utara, 2017)Mikania micrantha an invasive weed, and seriously damage the ecosystem. Because of its vigorous, rapid, and rampant growth, mikania micrantha is called “mile a minute weed” and is listed as one of the top worst weeds in ... -
Pemanfaatan Kembali Alum dari Lumpur Proses Pengolahan Air di Instalasi Pengolahan Air Deli Tua Pdam Tirtanadi Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2010)The mud which has been produced from water purification at the Deli Tua Water Treatment Plant of PDAM Tirtanadi North Sumatera Province, uses alum as coagulant with great abundance of alum content. The recovery of ... -
Pengaruh Penghentian Natrium Bikarbonat terhadap Unjuk Kerja Fermentor Dengan dan Tanpa Recycle pada Proses Fermentasi Limbah Cair Pabrik Kelapa Sawit
(Universitas Sumatera Utara, 2013)Based on the preliminary research, it was found that recycle sludge system can increase the rate of COD decomposition and the value of Volatile Solid (VS) so that biogas production can be increased. It was also found ... -
Transesterifikasi CPO Yang Mengandung Asam Lemak Bebas (ALB) Tinggi Menggunakan Katalis Polistirena Bis Fenol A Polikarbonat Sulfonat (PS - PAPS)
(Universitas Sumatera Utara, 2013)Transesterification reaction between CPO with ALB 7,76% and methanol used Polystyrena bis Phenol A Polycarbonate Sulfonate (PS-PAPS) as the catalyst. This transesterification reaction was performed in a batch reactor ... -
Optimasi Hidrolisis Selulosa dari Tandan Kosong Kelapa Sawit menjadi Selulosa Mikrokristal dan Aplikasi sebagai Pengisi pada Komposit Polimer Termoplastik Pati Singkong
(Universitas Sumatera Utara, 2014)This study included 2 phases, that were optimization of hydrolysis conditions of oil palm empty fruit bunches cellulose into microcrystalline cellulose and their application in cassava starch thermoplastic composite. ... -
Monitoring Kadar Mangan (Mn), Zinkum (Zn) dan Magnesium (Mg) dalam Air Gambut setelah Dijernihkan dengan Metoda Elektrokoagulasi
(Universitas Sumatera Utara, 2010)Research on manganese (Mn),zinc (Zn), magnesium(Mg) contents in samples of peat water in Hutabalang of Tapanuli Tengah Regency, has been done.This research is to monitor the metal contents.In the peat water in the periode ... -
Pembuatan Hidroksiapatit Dari Tulang Ayam Berporogen Pati Biji Durian dengan Metode Presipitasi
(Universitas Sumatera Utara, 2016)Hydroxyapatite (HAp) is very usefull bioceramic that is widely used in medical and nonmedical field. This study aims to know the effect of calcination temperature and holding time to the characteristic of HAp from chicken ... -
Optimasi Proses Produksi Gliserol Monooleat Dari Gliserol Hasil Samping Pembuatan Biodiesel
(Universitas Sumatera Utara, 2005)Residu gliserol dari hasil samping pembuatan biodiesel pertama sekali dimurnikan pada tahap pretreatment, dengan cara kimia dan fisika untuk memisahkan gliserol kasar dan impuritis (asam-asam lemak dan katalis dan air). ... -
Pemanfaatan Minyak Goreng Jelantah pada Pembuatan Sabun Cuci Piring Cair
(Universitas Sumatera Utara, 2010)Cooking oil is one of the basic commodities, is highly needed by the Indonesian people, especially by housewives. Consuming reused cooking oil can cause serious diseases; therefore, there is an effort to use the reused ... -
Pengaruh Waktu Tinggal dan Komposisi Bahan Baku pada Proses Fermentasi Limbah Cair Industri Tahu terhadap Produksi Biogas
(Universitas Sumatera Utara, 2010)This research was conducted to study the effect of tofu waste water industry raw material and retention time fermentation process in make biogas from tofu waste water industry. The main raw material in this research is ... -
Pemanfaatan Selulosa dari Tandan Kosong Kelapa Sawit sebagai Bahan Pengisi Komposit Polietilena Densitas Rendah (LDPE)
(Universitas Sumatera Utara, 2011)This experiment intends at knowing the potency of cellulose which has been modified by using acetate acid as a filler in the Low Density Polyethylene composite (LDPE). LDPE/cellulose composite is made by mixing cellulose ... -
Penggunaan Poliester Amida pada Bioplastik Protein Kedelai dari Limbah Padat Industri Tahu dengan Gliserol sebagai Bahan Pemlastis
(Universitas Sumatera Utara, 2015)The objective of the research was to find out the characteristics bio-plastic film of soy protein – glycerol and bio-plastic film of soy protein– glycerol - polyester amide, and optimum comparison of soy protein – glycerol ... -
Pemanfaatan Tandan Kosong Kelapa Sawit sebagai Sumber Lignin
(Universitas Sumatera Utara, 2005)Oil Palm Empty fruit bunches is a lignocelulose solid waste produced by palm oil industry in a high volume in each year. Any efforts to treat the waste is to decrease the pollution potency and to reuse the waste for the ... -
Pengaruh Diameter DIE, Bahan Pengikat, dan Kadar Air Bahan Baku terhadap Kualitas Pelet yang Dihasilkan pada Produksi Pelet Pakan Ternak Ruminansia Berbasis Biomassa Kelapa Sawit
(Universitas Sumatera Utara, 2015)The objective of the research was to make feed ruminants in which its dominant ingredients come from oil palm biomass which consists of sliced oil palm fronds and oil palm cakes. The area of the plantation and the ... -
Optimasi Proses Pembuatan Senyawa Epoksi dari Metil Ester Palm Fatty Acid Distillate (PFAD)
(Universitas Sumatera Utara, 2005)Ester epoksi selain sebagai pelunak, juga dapat memperbaiki ketahanan kompon polivinil klorida (PVC) terhadap panas dan cahaya. Penelitian ini dilakukan untuk merumuskan kondisi yang sesuai bagi pembuatan senyawa epoksi ... -
Pengaruh Pengurangan Konsentrasi Trace Metal (Nikel dan Kobal) pada Pengolahan Limbah Cair Pabrik Kelapa Sawit Secara Anaerobik Termofilik terhadap Produksi Biogas
(Universitas Sumatera Utara, 2012)ABSTRACT Palm oil mill effluent (POME) is palm oil mills byproducts which has high COD concentration, and it is necessary to be processed before being discharged into the stream. Anaerobic thermophilic is one method of ... -
Pemanfaatan Tandan Kosong Kelapa Sawit sebagai Sumber Lignin
(Universitas Sumatera Utara, 2005)Tandan kosong kelapa sawit merupakan limbah radar lignoselulosa yang dihasilkan oleh industri perkebunan kelapa sawit dan memiliki tingkat ketersediaan yang berlimpah setiap tahunnya. Upaya yang dilakukan untuk pengelolaan ... -
Praperlakuan Fisik Dan Biologi erhadap 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 ...
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