Ekstraksi Polietilena Dari Limbah Kertas Laminasi Dengan Variasi Suhu Dan Wak…

Laminated paper is paper that is coated by a layer such as plastic, aluminum foil and others in order to protect the paper from various contaminants and is resistant to water. Laminated paper is usually discarded or not reused, so that laminated paper can be recycled and reused, it is necessary to separate the paper and polyethylene from the laminated paper. The separated polyethylene can be re…

Fermentasi Asam Asetat Dari Nira Nipah Menggunakan Acetobacter Pasteurianus D…

Indonesia has 23% of world’s mangrove ecosystems, add up to 3.489.140,68 hectares with nipah plants (Nypa Fruticans) as one of the largest. Palm sap is one of the products obtained from young fruit bunches with high sugar content that providing an opportunity as an alternative raw material for the production of acetic acid. Acetic acid can be produced from sugary materials through a fermentat…

Produksi Furfural Dengan Variasi Perlakuan Asam Dari Tandan Kosong Sawit

Furfural production can be done by using acid treatment to break lignocellulosic bonds in oil palm empty fruit bunches so that the resulting furfural yield is optimal. The purpose of this study was intended to study the use of oil palm empty fruit bunches as raw materials in furfural manufacturing, study the effect of acid pretreatment methods with various acid solvents in lignocellulosic break…

Pengaruh Komposisi Polyethylene Glycol (Peg) Dalam Sintesis Dan Karakteristik…

The membrane is a selective and semipermeable layer that is between two phases, namely the feed phase and the permeate phase. Membrane synthesis using chitosan-silica with phase inversion method. The purpose of this research were to make membranes of chitosan-silica for hotel waste water treatment with 0,5, 2,5 and 5 gram poly ethylene glycol. This research produced porous membrane. The charact…

Kongruensi Pada (n, m)-Semigrup

ABSTRACT Congruent is a special type of an equivalent relation that plays an important role in algebraic structures. This final project discusses the concept of semigroup, (n,m)-semigroup, homomorphism on (n,m)-semigroup and congruence on (n,m)-semigroup. This final project is a review of part of the article of Xiao [Pure and Applied Mathematics Journal, 6 (2017), 120-123] Keywords: Semig…

Keluarga Metode Numerik Orde Tinggi Untuk Mendapatkan Akar Sederhana Dari Per…

ABSTRACT This nal project discuss a family of high order numerical methods for so- lving nonlinear equations with simple root. The proposed methods can achieve convergence of order p, where p is a positive integer . The Newton method (p = 2) and Chebyshev's method (p = 3) are special cases of this family of methods. The method requires one and two evaluations of the function per iteratio…

Studi Karakteristik Sintesis Bioplastik Menggunakan Bahan Dasar Pati Ubi Kayu…

Bioplastic or biodegradable plastics are polymers that are composed of organic monomers found in starch and cellulose. The purpose of this research is to make bioplastics with use of raw material starch cassava and cellulose filler pineapple leaves, by varying the speed of stirring and the number of fillers, as well as knowing the nature of the bioplastic mechanics (Modulus Young, Elogenasi , S…

Karakteristik Kertas Dari Bahan Baku Batang Pisang Dengan Proses Soda Semi Me…

Paper is something that is often used in everyday life consisting of cellulose and hemicellulose fibers found in nature. One of the wastes that can be processed into an alternative material for making paper is banana stem waste. Banana stem waste contains cellulose levels of 63% -65% so that it can be used for paper making. This study uses a semi-mechanical soda method. The fixed variable in th…

Karakteristik Kertas Dari Bahan Baku Batang Pisang Dengan Proses Soda Semi Me…

Paper is something that is often used in everyday life consisting of cellulose and hemicellulose fibers found in nature. One of the wastes that can be processed into an alternative material for making paper is banana stem waste. Banana stem waste contains cellulose levels of 63% -65% so that it can be used for paper making. This study uses a semi-mechanical soda method. The fixed variable in th…

Pengaruh Suhu Dan Waktu Pirolisis Dalam Pembuatan Asap Cair Dari Limbah Kulit…

Liquid smoke is a result of condensation from direct or indirect combustion of steam from materials containing lignin, cellulose, hemicellulose by condensing pyrolysis of liquid smoke. Durian peel proportionally contains high cellulose (50-60%) and lignin content (5%), and low starch content (5%) so that it can be used as a raw material for making liquid smoke. In this research, identification …

Analisis Pembasahan Lahan Gambut Akibat Pembangunan Sekat Kanal (Studi Kasus:…

Peat restoration measures are needed to rehabilitate peat ecosystems. The Peat Restoration Agency (BRG) has implemented peat restoration efforts one of them through rewetting activities within the territory of the Peat Hydrological Unity (KHG). The village of Lukun has burnt and degraded peatlands. With the rewetting of the peat, it is expected that the hydrologically disturbed peat will be imp…

Analisis Hidrologi Berbasis Data Sesame Untuk Optimalisasi Pengembangan Komod…

Peat restoration to restore the ecological function of peatlands and people's welfare by the Peat Restoration Agency through the 3R approach, namely rewetting, revegetation, and revitalization. In Siak Regency there are 10.000 ha of TORA peatlands originating from the release of PT Makarya Eka Guna's Cultivation Rights. 2.000 ha have been distributed in HGU 09 managed by the government. Based o…

Analisis Hidrologi Pada Lahan Tora Hgu 07 Untuk Optimalisasi Pengembangan Kom…

In Siak Regency, there are 10,000 Hectares land of Agrarian Reform Land (TORA) land which is a peat area and 92% of it is deep peat. Land area of 2,000 hectares of the total amount of TORA land contained in HGU 07, of the 2,000 will be distributed to the community and each get 0.8 Hectares. The local government of Siak Regency will manage the peatland productively in economic terms but not dama…

Prediksi Fluktuasi Muka Air Tanah Untuk Mitigasi Kebakaran Di Lahan Gambut

In 2014 and 2015 Indonesia experienced a very severe haze disaster that caused huge economic losses and public health problems because peatland fires in the Sumatra and Kalimantan island. Groundwater depth is a key parameter for assessing the level of fire risk on peatland, so that if the predicted fluctuations in ground water levels in the next few days or weeks, the risk of fire can also be e…

Pengaruh Natrium Tripolyphosphate Terhadap Sifat Fisik Beton Cor Di Dalam Air…

In the implemetation of concrete building construction there is a problem when casting in water. To solve this problem, sodium tripolyphosphate use in the concrete mixture. The purpose of using sodium tripolyphosphate is to accelerates the process of concrete hardening in water as well is to increase the binding of fresh concrete material. The alternative to maintain the quality concrete in wat…

Pengaruh Air Gambut Terhadap Lapisan Asphalt Concrete – Binder Course (Ac-Bc)

The purpose of this research is to find out how much influence that occurs on the characteristics of AC-BC asphalt through Marshall test which is soaked by two types of liquid namely peat water and rainwater using asphalt penetration 60/70. Characteristics measured using Marshall instruments are stability, meltability, Marshall Quotient (MQ), void in mix (VIM), and void in mineral aggregate (VM…

Durabilitas Lapisan Asphalt Concretewearing Course (Ac-Wc) Dengan Menggunakan…

In the road pavement mixture, filler has a significant effect because it functions as a cavity filler. One filler that is commonly used is fly ash. Fly ash is a coal combustion waste that can be utilized and has a high silica content so as to improve the quality of the road pavement mixture. The purpose of this study was to determine the durability of the AC-WC layer using fly ash fillers in pe…

Perkuatan Sambungan Perpanjangan Batang Kayu Resak Dengan Kombinasi Baut Dan …

Wood resak with the Latin name Vaticia Rassak is Indonesian original wood which has strong class II and durability class III. not fulfilled of long dimensions for structural elements, then there is a connection. The type of connection extension tool used for extension of wood is a bolt connection tool, and if the bolt joint is combined with epoxy type adhesive, it is expected to add more streng…

Analisis Keandalan Sistem Proteksi Kebakaran Pada Gedung Menara Bri Pekanbaru

Fire accidents often occur at the high-rise building, so we need a reliable fire protection system for a building. Pekanbaru BRI Tower is a building that has a significant function as a money storage media that has 9 floors and 2 basements, so the fire protection system at the BRI Tower Building must comply the specified requirements.The purpose of this study is to analyze and determine the r…

Wrestling Beetles and ecological wisdom: how insects contribute to the cosmop…

Edisi

Vol.8 No.1 2019

ISBN/ISSN

21867275

Deskripsi Fisik

12 hlm.: 25 cm.; hal.3-24

Judul Seri

SOUTHEAST ASIAN STUDIES VOL.8, NO.1 APRIL 2019

No. Panggil

JUR-SOU-1-2019