Pembuatan Dan Karakterisasi Karbon Aktif Dari Serabut Tandan Kelapa Sawit Seb…

The aims of this study are to determine the influence of percentage of potassium hydroxide (KOH) and to the adsorption of methylene blue of the activated carbon. Activated carbon was prepared from fibers of empty fruit bunches of oil palm (fibers of EFB) pre-carbonized at 280 for 4 hours. Chemical activation was conducted to the sample for 25 hours with weight percentage of KOH of 25%, 50%, and…

Pola Aliran Air Bawah Tanah Di Perumnas Griya Bina Widya Unri Menggunakan Met…

The research about groundwater flow pattern in Perumnas Griya Bina Widya UNRI Tampan subdistrict of Pekanbaru have been done. Groundwater flow pattern mode from one dimension geoelectric data of Schlumberger electrode configuration. Based on formation of lithology resulted from geoelectric data, resulted four formation of lithology from block A to block G of the Perumnas. From the mapping resul…

Efek Variasi Rasio Massa Koh Pada Proses Aktivasi Kimia Terhadap Struktur Por…

Supercapacitor electrodes from rubber wood saw dust (RWSD) have been fabricated using experiment method with RSWD and KOH mass ratio variation of 1:1, 1:3, 1:5 and 1:17. Electrodes were carbonized at 600 oC and followed by physical activation method in CO2 gas under condition on the constant temperature of 900 oC. Chemical activation was performed using KOH solution as an activating agent. The …

Penentuan Densitas Plasma Ion Karbon Pada Tekanan Atmosfir Untuk Mencapai Kes…

A density of plasma thermal carbon ion species has been successfully simulated with the software program Matrix Laboratory (MATLAB). The code is designed from the continuity equation by time function and the Arrhenius Equation. The code is run by entering the coefficient charge each reaction and Arrhenius parameters formed as a matrix. The Arrhenius parameters are α, β, and γ. Six reaction o…

Analisis Pengaruh Partikulat Pm10 Terhadap Suhu, Kelembaban Udara Dan Kecepat…

Has conducted research on the impact of particulate matter PM10 concentrations relation to the factor of temperature, humidity and wind speed have been done in August 2015 until November 2015. The methodology used in this study is the method imterprestas data. The data obtained from aerial labor kulim station Pekanbaru. Result obtained in august 2015 to november 2015, namely the concentration o…

Pengaruh Penambahan Surfaktan Terhadap Kapasitansi Spesifik Elektroda Superka…

The addition of surfactant of Sodium Dodecyl Sulfate (SDS) in activated carbon electrodes (ACE) based on from Rubber Wood SawDust (RWSD) has been analysed. The ACE synthesis was performed by combaining chemical and physical activation process. All samples were devided into four catagories such as : 0 M, 0.5 M, 1 M and 1.5 M. The physical properties density was calculated by analyzing mass, radi…

Using Pictures to Improve Vocabulary Mastery At The Year Students of MI Darul…

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ISBN/ISSN

Universitas Riau - F

Deskripsi Fisik

v, 45 hlm.:ill.; 29

Judul Seri

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No. Panggil

05 05.109/0009 (CD)

Pengaruh Variasi Waktu Aktivasi Terhadap Tingkat Penyerapan Karbon Aktif Dari…

The research studied the effect of variations in chemical activation time toward adsorption rate of activated carbon from Eucalyptus Pellita wood. Eucalyptus Pellita wood used was the inside part of wood which was about 2 cm from the outer portion wood. The first process of Eucalyptus Pellita wood becoming activated carbon was done by the conventional carbonization process for 1.5 hours and con…

Linierisasi Sensor Koil Datar Dengan Pengolahan Isyarat Metode Diferensial

Flat coil inductive sensor works by detecting changes in the magnetic field of an object without a physical contact with measuring object. This study use two flat coil sensor geometry circle on Printed Circuit Board (PCB) through the etching process with indutance of Hμ5.22and Hμ9.17respectively. Flat coil evaluation sensor using LC oscillator produces the eigen frequency of 1MHz up to 2MHz. …

Peningkatan kemampuan menyimak cerita rakyat dengan metode integratif siswa k…

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ISBN/ISSN

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Deskripsi Fisik

viii, 44 hlm.: ill.; 29 cm

Judul Seri

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No. Panggil

05 04.109/0002 (CD)

Sifat Fisis Dan Elektrokimia Elektroda Karbon Superkapasitor Berbasis Tempuru…

Carbon electrodes from coconut shell have been synthesized by addition of anionik surfactant of Sodium Dodecyl Sulfate (SDS) 1,5 M in the ball milling process. A chemical activation was performed by activator KOH for mass ratio of carbon and KOH was 1:4. Supercapacitor cells was fabricated by the spraying method on scrap paper as separator in the pressure of 8 kg/cm3. The spraying process was d…

Penentuan Tingkat Penyerapan Bunyi Batang Pisang Yang Berbeda Jenis Menggunak…

Research has been conducted in order to determine sound absorption level from banana stem at different types as A1 (core banana of barangan), A2 (core banana of sweet), A3 (core banana of stone), A4 (The third mixture of core banana ) using the impedance tube is made of glass with size of 92 cm x 20 cm x 20 cm. Banana stem was used to processed into a square with size of 20 cm x 20 cm, the thic…

Peningkatan kemampuan melakukan percakapan dengan metode latihan siswa kelas …

Edisi

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ISBN/ISSN

Universitas Riau - F

Deskripsi Fisik

x, 79 hlm.: ill.; 29 cm

Judul Seri

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No. Panggil

05 04.109/0001 (CD)

Pengaruh Konsentrasi Aktivator Kaliumhidroksida Terhadap Kualitas Karbon Akti…

This research presents an activated carbon made from fibres of palm oil empty fruit bunches prepared by pre-carbonization and KOH activation. The activation was performedusing irradiation microwave process at various concentrations of KOH 1M, 2M, and 3M respectively.The physicalcharacteristicsof the activated carbon were represented byyield, methylene blue adsorption, cristalinity properties an…

Penggunaan Energi Surya Untuk Penjernihan Air Gambut Menggunakan Reflektor Ce…

A research has been done in distillation peat water using solar energy heaters concave reflector mirror with two variations of different containers, each container is made of aluminum, one painted black and the other without painted. Concave mirror reflector is made with a diameter of 2.2 meters, height of 0.3 meter mirror and its focal length of 1 meter. Reflector placed on the ground and lit …

Penumbuhan Nanostruktur Al-Ga Co-Doped Zno Dan Pengaruhnya Terhadap Performan…

Al-Ga co-doped ZnO nanostructures have been successfully grown using seed mediated growth hydrotermal method. The grown of Al-Ga co-doped ZnO nanostructures were used as an active material of DSSC. The growth of ZnO nanostructures has been done by varying percentage of concentration of the Al-Ga co-doped solution, namely Al 0.5, Al 1%, Al 1.5%, Al 2% with Ga 1% and Ga 0.25%, Ga 0.5%, Ga 0.75%, …

Perancangan Dan Pengoperasian Plasma Carbon Tegangan Searah Dengan Elektroda …

One of the Carbon plasma applications at atmospheric pressure is the production of Carbon Nano Tube (CNT) which is readily emerged experimentally. In this paper the initial process to generate Carbon plasma is investigated by using the electrode discharge at various pressures in thermal plasma condition. The Carbon plasma is produced by designing and operating the Direct Current voltage dischar…

Pembuatan Dan Karakterisasi Elektroda Karbon Superkapasitor Dari Bunga Rumput…

Preparation and characterization of carbon electrodes from elephant grass flower have been successfully carried out. The preparation of carbon electrodes was begun with a pre-carbonization, grinding by a ball milling intrument and followed by sieving process. Variations in particle size was selected were : (a) smaller than 38 μm (SA) and (b) 39 μm up to 52 μm (SB). All samples were chemicall…

Kemampuan Menulis Arab Melayu Siswa Kelas VIII SMP Negeri 21 Pekanbaru Tahun …

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ISBN/ISSN

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Deskripsi Fisik

v, 47 hlm.; 29 cm

Judul Seri

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No. Panggil

05 04.107/0007 (CD)

Pengaruh Daya Iradiasi Gelombang Mikro Terhadap Kualitas Karbon Aktif Dari Se…

Activated carbon had succesfully been made from fibres of oil palm empty fruit bunches prepared by pre-carbonisation and KOH activation with microwave assisted process. The microwave irradiations power were varied by 450 watt, 540 watt, and 630 watt. The aim of this research was to study the characteristics of oil palm empty fruit bunches fibres as the activated carbon. The characteristics of a…