Master Theses
Master Theses
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Pengaruh Suhu dan Waktu Operasi pada Proses Pembuatan Biodegradable Foam dari Pati Biji Durian dan Nanoserat Selulosa Ampas Teh
(Universitas Sumatera Utara, 2023)This study aims to examine the effect of temperature and operating time in the baking process on the characteristics of biodegradable foam (biofoam) products filled with tea waste nanofiber including the physical and ... -
Absorpsi CO2 Menggunakan Larutan K2CO3 Berpromotor Piperazin (PZ) dalam Packed Column
(Universitas Sumatera Utara, 2023)Carbon dioxide (CO2) is the main contributor in biogas can reduce the heating value. The amount of CO2 in the atmosphere is one of the causes global warming. Several technologies can be used to reduce CO2 content such as ... -
Absorpsi CO2 Menggunakan Larutan K2CO3 Berpromotor PiperaziN (PZ) dalam Packed Column
(Universitas Sumatera Utara, 2023)Carbon dioxide (CO2) is the main contributor in biogas can reduce the heating value. The amount of CO2 in the atmosphere is one of the causes global warming. Several technologies can be used to reduce CO2 content such as ... -
Pengaruh Pemanasan dengan Menggunakan Microwave pada Proses Isolasi Nanokristal Selulosa dari Ampas Tebu Sebagai Pengisi Bioplastik Pati Jagung dengan Penambahan Minyak Serai Sebagai Antimikroba
(Universitas Sumatera Utara, 2023)Bagasse is an agricultural industry waste produced from the extraction process of sugarcane plants and has a high cellulose content. The cellulose content contained in bagasse can be used as a source of raw material in ... -
Persiapan Katalis Dari Tanah Pemucat Bekas Untuk Sintesis Biodiesel
(Universitas Sumatera Utara, 2022)Spent bleaching earth (SBE) on this research is a waste generated from the palm oil refining process in the cooking oil or oleochemical industry. SBE can be applied as a catalyst buffer for biodiesel synthesis. However, ... -
Perbaikan Kemampuan Jerap Spent Bleaching Earth pada Proses Pemucatan Crude Palm Oil Menggunakan Metode Desorpsi Dengan Microwave Assisted Extraction dan Aktivasi Asam
(Universitas Sumatera Utara, 2023)The process of refining palm oil had been conducted with the help of adsorbents. One of the commonly used adsorbents is Bleaching Earth. However, this raises a new problem, namely the presence of B3 waste in the refining ... -
Kajian Pemanfataan Ampas Tebu Sebagai Adsorben pada Limbah Cair PG. Kwala Madu
(Universitas Sumatera Utara, 2023)Kwala Madu Sugar Factory (PGKM) is a sugar factory owned by Holding Perkebunan Nusantara which is located in Langkat Regency, North Sumatra Province, with a capacity of 4,000 TCD. The operation of the factory has an ... -
Sintesis dan Karakteristik Katalis Nano-CaO/SiO2 Dengan Impregnasi Basah dari Cangkang Telur Ayam dan Abu Boiler Kelapa Sawit pada Reaksi Transesterifikasi Minyak Sawit
(Universitas Sumatera Utara, 2023)In this research, waste chicken eggshell and palm oil mill boiler ash was utilized as heterogeneous solid base catalysts in biodiesel synthesis. Utilization of solid waste as a catalyst source can increase economic value ... -
Penyediaan Film Bioplastik Pembungkus Berazaskan PLA-PCL untuk Industri Ekstraktif Pangan Dengan Memanfaatkan Kitosan dari Cangkang Udang Sebagai Agen Antibakteri dan Katekin dari Biji Jamblang Sebagai Agen Antioksidan
(Universitas Sumatera Utara, 2023)The aims of this study were to obtain the best ratio of chitosan and catechins in the development of bioplastic films based on PLA-PCL related to the characteristics, physical properties, mechanical properties, activity ... -
Evaluasi Kinerja Dinas Kebersihan dalam Pelayanan Persampahan di Kota Medan
(Universitas Sumatera Utara, 2008)This research has evaluated the Departement of Cleanliness Medan City based on transportation aspect, solid waste control and environment quality (leachate and ambient air) in Final Land Disposal of solid waste Namo Bintang. ... -
Pengaruh Penambahan Serbuk, Ekstrak dan Senyawa Alkaloid dari Daun Sirsak (Annona Muricata L.) pada Cat sebagai Inhibitor Korosi Besi dalam Medium Natrium Klorida
(Universitas Sumatera Utara, 2023)Anticorrosive paints consist of formulations with added organic corrosion inhibitors that aim to improve the protection of metal surfaces from corrosion attack. Currently, organic-based corrosion inhibitors are more ... -
Pengolahan Limbah Cair Domestik dengan Fixed-Bed Column Up Flow
(Universitas Sumatera Utara, 2007)The process of liquid waste with fixed bed column up flow works through bottom-up circulation with different hydrostatic pressure as the fluidization principle has been done. This research aims at knowing the influence ... -
Pengaruh Kondisi Operasi Temperatur dan Kecepatan Udara terhadap Tekstur, Struktur Morfologi, Warna, Kinetika Pengeringan, dan Difusifitas Pengeringan Jagung Menggunakan Pengering Rotary Dryer
(Universitas Sumatera Utara, 2022)Corn is a food commodity crop that has great potential for the benefit of the feed industry as well as the food and manufacturing industries, but the drying method used by the community uses conventional methods so it is ... -
Pengolahan Limbah Cair Industri Tahu dengan Proses Biofilter Aerobik
(Universitas Sumatera Utara, 2008)Study on the effect of varying initial COD concentration, hydraulic retention time (HR T) of the reactor and height of medium to % reduction of chemical oxygen demand (COD) arid mixed liquor suspended solid (MLSS) from ... -
Kajian Mengenai Pemanfaatan Pulp Tandan Kosong Sawit untuk Pembuatan Selulosa Nitrat
(Universitas Sumatera Utara, 2007)Oil Palm Empty Fruit Bunches (OPEFB) is one of the biggest solid waste produced by oil palm plantation, which contains the biggest cellulose content of the other components like fibrous parts of palm fruit, shell of ... -
Studi Kemampuan Proses Elektroflokulasi untuk Penurunan pH serta Penyisihan Kandungan COD, WARNA, ION Ca2 + dan Mg2+ dalam Limbah Cair Industri Pulp dan Kertas
(Universitas Sumatera Utara, 2005)Electroflocculation is a combination process of electroprepicitation and electroflotation which is applied to treat waste water from pulp and paper industry. Electroprecipitation and electroflotation processes occurred ... -
Pembuatan Karbon Aktif dari Tempurung Kemiri Dengan Proses lmpregnasi ZnCli dan Pemanfataannya untuk Mereduksi Logam Pb dan Cr
(Universitas Sumatera Utara, 2013)This research is to production of activated carbon from candlenut shell with chemical process. Candlenut shell was impregnated with ZnC!i and made it pyrolysis by using vertical tubular reaktor of stanless steel on ... -
Potensi Kertas Putih Bekas sebagai Pengisi di dalam Komposit Polietilena Densitas Rendah (LDPE)
(Universitas Sumatera Utara, 2008)This research is aimed to investigate waste white paper (WWP) potency as filler in low density polyethylene (LDPE) composites. LDPE/WWP composites are made by adding WWP particle with different size and loading with LDPE ... -
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 ...
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