Perbandingan Metode Bina Marga dan Metode PCI (Pavement Condition Index) dalam Penilaian Kondisi Perkerasan Jalan (Studi Kasus : Simpang Lago - Simpang Buatan)

there are methods that can be used to evaluate pavement conditions, such as bina marga and pci (pavement condition index) methods. in the bina marga method, the determination of road condition values ...

Optimasi Proses Pembuatan Arang Batang Sawit melalui Proses Karbonisasi Menggunakan Response Surface Methodology

palm oil trunk until this date is a waste which still not been used maximally, so palm oil trunk have potential to be used as alternative energy resource of solid fuel with the way of increasing its c...

Produksi Bioetanol dari Limbah Kulit Nanas Menggunakan Bakteri Clostridium Acetobutylicum dengan Variasi Konsentrasi Inokulum dan Penambahan Nutrisi

one material that has potential as raw material for bioethanol is the pineapple peel. pineapple peel is one of the biggest agricultural waste in indonesia, especially in riau derived from pineapples. ...

Rancang Bangun Aerator Menggunakan Penggerak Motor Satu Fasa dan Sistem Otomatisasi Berbasis Smart Relay

oxigen in the water is obtained from 2 processes specifically the first is, photosynthesis by water plants and the second is aeration which included in the diffusion process. aerator is a device that ...

Pembuatan Biodiesel dari Minyak Biji Kapuk (Ceiba Pentandra) dengan Katalis Lempung Teraktivasi; Pengaruh Kecepatan Pengadukan

biodiesel producted by transesterifiation reaction which on energy source. biodiesel was developed in indonesia as an anticipatis of energy crisis problem suppported by goverment national energy polic...

Kinetika Adsorpsi Ion Logam Cu+2 Menggunakan Tricalcium Phosphate sebagai Adsorben

the methods used for reducing the level of heavy metals have been developed. one of the methods used for reducing the level of cu metal wastes in waters is the adsorption process. the purpose of this ...

Indeks Kekeringan Provinsi Riau Menggunakan Teori Run Berbasis Data Satelit

drought disaster is caused by the decreasing of rainfall from normal condition and the duration of dry season. and the effect is show the reducing of water availability. based on the drought disaster ...

Analysis of Configuration and Performance of Arrester for Protecting Substation Against Impulse Lightning Using ATP-EMTP Software

electrical energy is one of the most important and often used energy in life. therefore to keep the availability of electricity, it takes a power company that will manage the electricity needs. one of...

Analisis Biaya Pemakaian Alat Berat pada Proyek Rekontruksi Jalan Batas Kota Pariaman – Manggopoh Kabupaten Padang Pariaman Provinsi Sumatera Barat

this research is aimed to analyze and identify the minimum cost of heavy equipment usage on the reconstruction pariaman-manggopoh border area padang pariaman regency west sumatera province and to give...

Kinetika Reaksi Deproteinasi Limbah Udang Ebi pada Isolasi Kitin

chitin is a biopolymer and can be synthesized from ebi shrimp waste through deproteination and demineralization processes. the purpose of this study was to determine the kinetics of deproteination rea...

Analisa Sistem Proteksi Petir pada Sutt 150 KV Menggunakan Software ATP

electrical energy is very important today. the power company distributes the electric energy through the 150 kv overhead lines. the transmission line is a major part of the electrical energy distribut...

Penyusunan Skala Prioritas Saluran Drainase di Tiga Kecamatan

the inundation area is an area that inundated by water in case of the drainage channel cannot accommodate the flow of discharge, which causes the material losses and disturb the community activities. ...

Pengaruh Penambahan Limbah Ekstraksi Buah Kelapa Sawit terhadap Pembuatan Beton

the purpose of this research is to utilize the waste of palm oil with investigating the mechanical properties. the waste materials are the result of palm oil extraction. the experiment conducted to in...

Sintesis ZSM-5 Menggunakan Silika Presipitasi dari Fly Ash Pabrik CPO

palm fly ash is waste in the palm oil industry. palm fly ash has high content of silica. zsm-5 is one of synthetic zeolite which used as catalyst. it can be synthesized from silica and alumina using h...

Pengolahan Limbah Cair Sawit dengan Metode Aop (Advanced Oxidation Process) Menggunakan Katalis LaMnO3 Perovskite dan Oksidan Peroxymonosulfate

processing of palm oil into crude palm oil (cpo) will produce a large amount of liquid waste. to produce a ton of crude palm oil (cpo) produced 6 m3 of palm oil mill effluent. in this study, a process...

Optimasi Jalan Pahat dan Analisis Biaya Produksi Proses Pemesinan CNC Lathe Pembuatan Piston Master Cylinder Rem Sepeda Motor Yamaha Menggunakan CAM

tool path optimation on cnc lathe machining can set up every movement of tools move optimally to minimize processing time of a workpiece. this research purpose is simulation of tool path the cnc lathe...

Kuat Tekan dan Ultasonic Pulse Velocity (UPV) Beton OPC dan OPC Abu Sekam Padi untuk Aplikasi di Lingkungan Gambut

this research study the compressive strength and ultrasonic pulse velocity (upv) of opc and opc rice husk ash (rha) concrete. test will be measured after 28 days immersed in peat water. specimens will...

Karakteristik Dielektrik Campuran Gas Karbondioksida (CO2) dengan Nitrogen (N2) Dibawah Terpaan Medan Tinggi DC Polaritas Negatif

gas insulating material commonly used in electrical system is sf6 gas. sf6 gas is used as an insulator material in electrical system in transfer heat. however, sf6 gas is not environmentally friendly,...

Kuat Tekan dan Kuat Tarik Belah Beton OPC dan OPC Abu Sekam Padi di Lingkungan Gambut

the objective of the study is to investigate the mechanical properties of concrete with different replacement levels of ordinary portland cement (opc) by rice husk ash (rha). two rha replacement level...

Pengaruh Penambahan Limbah Ekstraksi Buah Kelapa Sawit terhadap Pembuatan Paving Block

the waste of palm know as waste of palm oil extraction, which is recently available abundantly. one of efforts in using this waste material is as additive in paving block industry. this research prese...