Master Theses
Master Theses
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Now showing items 41-60 of 139
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Pemanfaatan Residu Gliserin untuk Menghasilkan Asam Asetat Secara Fermentasi
(Universitas Sumatera Utara, 2012)Glycerol residue or frequently known as Pitch is a waste resulted from down stream product of crude glycerin distillation. With the increasing need of pure glycerin in the world, the glycerol residue produced is also ... -
Pembuatan Komposit Poliester BQTN 157-EX dengan Penguat Bentonit dan Surfaktan Cetil Trimetil Ammonium Bromida (CTAB)
(Universitas Sumatera Utara, 2007)Composite are mixture difference materials or has more produces characterize and characterization it doesn't produces main material. Resin polyester BQTN 157- EX are part of dominant (major) into composite the function ... -
Pemanfaatan Lemak Ayam sebagai Bahan Baku Pembuatan Biodiesel
(Universitas Sumatera Utara, 2012)In the present investigation an attempt has been made to use chicken fat as low cost sustainable potential feedstock for biodiesel production by single step transesterification process, Transesterification was carried ... -
Proses Produksi Karbon Aktif dari Cangkang Kelapa Sawit dengan Menggunakan NaCl Sebagai Aktivator untuk Menghasilkan Arang Aktif Berpori Luas
(Universitas Sumatera Utara, 2021)This study was aimed to produce activated carbon from pal shells with NaCl as activator. Activated carbon was produced by using Sodium Chloride (NaCl) as an activator. Palm shells that had been produced with a hammer mill ... -
Modifikasi Beton Polimer dengan Menggunakan SBE (Spent Bleaching Earth) Sebagai Subsitusi Semen dan Bahan Pengisi Limbah Lateks Karet Alam
(Universitas Sumatera Utara, 2022)Spent Bleaching Earth is a palm oil industrial waste that has a high silica content, so it can be used as a substitute for cement in the manufacture of concrete. The content of silica compounds will react with water to ... -
Pemanfaatan Limbah Padat (Effluent Sludge) dari Pabrik Pulp dan Kertas sebagai Kompos pada Tanaman Palawija dan Hortikultura
(Universitas Sumatera Utara, 2006)One of the methods to manage the solid waste from pulp and paper mill such as effluent sludge is by conducting treatment to become compost and then use it as an alternative compost for horticulture. From laboratory analysis, ... -
Ekstraksi Minyak Serai Wangi dengan Bantuan Microwave
(Universitas Sumatera Utara, 2022)Lemongrass is a plant that produces essential oils. Essential oils have now been widely used to produce commercial products. So far, the process used to produce lemongrass essential oil uses a conventional extraction process ... -
Efektifitas Fitoremediasi Menggunakan Tanaman Kayu Apu (Pistia Stratiotes) terhadap Limbah Cair Domestik Bandar Udara Internasional Kualanamu
(Universitas Sumatera Utara, 2021)Kualanamu International Airport, located in Deli Serdang Regency, North Sumatra Province, is an airport with a hub type characteristic, namely as a connecting center to continue flights to other areas abroad. Operational ... -
Isolasi Sinamaldehid dari Kulit Kayu Manis (Cinnamomum Burmanii) dengan Metode Microwave-Assisted Extraction
(Universitas Sumatera Utara, 2022)Cinnamon bark essential oil has several benefits that can be applied to food, cosmetics, pharmaceutical, agriculture and other sectors. The components of cinnamaldehyde contained in cinnamon bark essential oil can be ... -
Efektifitas Fitoremediasi Menggunakan Tanaman Kayu Apu (Pistia Stratiotes) terhadap Limbah Cair Domestik Bandar Udara Internasional Kualanamu
(Universitas Sumatera Utara, 2021)Kualanamu International Airport, located in Deli Serdang Regency, North Sumatra Province, is an airport with a hub type characteristic, namely as a connecting center to continue flights to other areas abroad. Operational ... -
Pengaruh Kondisi Operasi Aktivasi terhadap Daya Jerap Ampas Kopi Bekas Sebagai Adsorben pada Proses Penyerapan Logam Kromium
(Universitas Sumatera Utara, 2022)Spend coffee grounds are biomass waste that has a high adsorption capacity, in this study used coffee grounds were used as adsorbents in adsorbing chromium metal in aqueous solutions. The coffee grounds were first activated ... -
Aplikasi Metode Pengapungan Batang dalam Menentukan Lama Waktu Pengendapan Air Limbah serta Estimasi Ukuran Partikel Total Suspended Solid (TSS) pada Air Limbah yang Viskositasnya Berbeda
(Universitas Sumatera Utara, 2021)The Buoyancy Weighing Bar Method (BWM) is a new method for estimating the settling time and particle size estimation in wastewater and is very useful in the wastewater treatment industry. This study aims to examine the ... -
Evaluasi Kinerja Low Pressure Evaporator 21-22 Pembangkit Listrik Tenaga Uap-Gas Blok II Sektor Belawan
(Universitas Sumatera Utara, 2006)The study of the performance evaluation of low pressure evaporator 21-22 of the combined cycle power plant block II Belawan sector conducted from april 2005 to desember 2005 showed that the higest performance of the LP ... -
Pemanfaatan Limbah Lateks Karet Alam dengan Pengisi Bubuk Eceng Gondok Sebagai Adsorben Minyak
(Universitas Sumatera Utara, 2016)Processes of latex products always produce waste. Natural rubber latex waste is produced because during the processing, low quality products are formed and thus disposed as waste. Utilizing the natural rubber latex waste ... -
Pengaruh Penambahan Pengisi Nanokristal Selulosa dari Serat Buah Kelapa Sawit dan Agen Pendispersi Kalium Klorida (KCL) dalam Pembuatan Bioplastik Pati Biji Alpukat dan Gliserol sebagai Plasticizer
(Universitas Sumatera Utara, 2021)This study aims to determine the effect of adding nanocrystalline cellulose (NCC) and potassium chloride (KCl) as dispersing agent to bioplastics from avocado seed starch and glycerol as plasticizer. In this study, the NCC ... -
Pemanfaatan Zeolit Alam sebagai Adsorben dalam Penghilangan Ion Amonia pada Limbah Sintetis
(Universitas Sumatera Utara, 2021)Adsorben dari zeolit alam, diaktivasi secara fisika kimia. Aktivasi kimia menggunakan kalium klorida sebagai agen pengubah kinerja zeolit alam, dengan berbagai variasi konsentrasi kalium klorida. Adsorben dikarakterisasi ... -
Pengaruh Variabel Ekstraksi terhadap Regenerasi Limbah Tanah Pemucat Menggunakan Metode Ekstraksi Gelombang Mikro
(Universitas Sumatera Utara, 2021)Spent bleaching earth memiliki potensi besar karena memiliki kandungan minyak sebesar 20 – 30% dan pemanfaatan regenerasi spent bleaching earth sebagai bahan pemucat maupun adsorben pada pengolahan limbah cair. Pada teknologi ... -
Pembuatan Biogas dari Kulit Singkong Menggunakan Bioreaktor unggun tetap Bermedia Silika Gel
(Universitas Sumatera Utara, 2021)This study aims to study the production of biogas from cassava peel using a fixed bed bioreactor using silica gel. The biogas production in the bioreactor containing silica gel will be compared with the bioreactor without ... -
Biodegradasi Vulkanisat Produk Lateks Karet Alam Berpengisi Tepung Kulit Singkong dengan Penyerasi Alkanolamida
(Universitas Sumatera Utara, 2016)Peel cassava powder used as filler in natural rubber latex products. Peel cassava powder was made into dispersion system alkanolamine. Natural rubber latex is mixed with the curatives and peel cassava powder as filler ... -
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 ...
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