14 results for "Harwin Saptoadi"
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Journal Article
PEMANFAATAN BAHAN ORGANIK DARI SAMPAH PADAT PERKOTAAN DALAM INDUSTRI KOMPOS (Utilization of Organic Matter from Municipal Solid Wastes in Composit Industries)
ABSTRAK Dewasa ini sampah padat yang dihasilkan oleh kota besar sudah sangat banyak dan berpotensial untuk menimbulkan dampak negatif terhadap lingkungan dan kesehatan masyarakat. Oleh karena sekitar tiga perempat dari sampah adalah biomassa maka terdapat kemungkinan untuk memproses sampah tersebut…
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Journal Article
Characteristics of Waste Plastics Pyrolytic Oil and Its Applications as Alternative Fuel on Four Cylinder Diesel Engines
Waste plastics recycling using pyrolysis method is not only able to decrease a number of environment pollutant but also able to produce economical and high quality hydrocarbon products. Two experiments were conducted to completely study Waste Plastic Pyrolytic Oil (WPPO) characteristics and its…
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Journal Article
Effect of Air Supply Location and Equivalence Ratio on Thermal Performance of Downdraft Gasifier Fed by Wood Sawdust
In order to encounter the shortage of fossil fuel, many efforts have been performed by researchers worldwide to find out an alternative technologies of renewable energy conversion. Biomass gasification, one of many promising energy conversion technologies, becomes more attractive in recent years…
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Journal Article
Process–Composition–Property Relationships of Blended Coconut Shell–Teak Leaf (Tectona Grandis) Powder Biochar Briquettes for Solid Renewable Fuel Applications
The increasing demand for sustainable solid fuels has driven the development of biochar briquettes based on coconut shells and teak leaves with tapioca starch as a binder. This study evaluated the effect of the mixing ratio of coconut shell and teak leaf biochar (50:40, 60:30, and 70:20; 10%…
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Journal Article
Pirolisis Campuran Sampah Plastik Polistirena Dengan Sampah Plastik Berlapisan Aluminium Foil (Multilayer)
Sampah plastik yang dulunya merupakan masalah lingkungan, saat ini dapat diubah menjadi bahan bakar alternatif dengan menggunakan proses daur ulang yang memanfaatkan energi panas yaitu pirolisis. Analisis yang digunakan dalam penelitian ini adalah analisis terhadap minyak (liquid) yang dihasilkan…
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Journal Article
Design and experimental study of pilot scale throat-less downdraft gasifier fed by rice husk and wood sawdust
In this work, pilot scale throat-less downdraft gasifier is fabricated and tested on rice husk and blend of rice husk-sawdust. The test aims to investigate effect of equivalence ratio on temperature profile, propagation front (flame propagation rate, bed movement rate, and effective propagation…
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Journal Article
PRELIMINARY STUDY OF THE UTILIZATION OF ASH WASTE FROM POWERPLANTS TO PRODUCE ARTIFICIAL LIGHT WEIGHT AGGREGATES (Studi Awal Penggunaan Abu Limbah dari Pembangkit Tenaga Listrik untuk Memproduksi Agregat Berbobot Ringan)
ABSTRACT A large amount of disposed ash can cause severe environmental pollutions especially in large coal fired electric powerplants. One of many methods for reducing its negative impacts is to utilize the waste to produce ALWA (artificial leight weight aggregates) which is required to make light…
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Journal Article
PEMANFAATAN LIMBAH BIOMASSA CANGKANG KAKAO DAN KEMIRI SEBAGAI BAHAN BAKAR BRIKET (Utilization of Biomass Wastes from Cocoa and Candlenut Shells as Fuel Briquette)
ABSTRAK Biomassa adalah sumber energi utama jutaan manusia di dunia, akan tetapi penggunaannya menurun ketika batubara, minyak dan gas tersedia cukup melirnpah. Namun akhir-akhir ini perhatian muncul kembali karena terjadinya krisis energi dan isu-isu lingkungan. Pemanfaatan biomassa untuk…
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Journal Article
OPTIMASI PROSES PEMBUATAN BRIKET BIOMASSA MENGGUNAKAN METODE TAGUCHI GUNA MEMENUHI KEBUTUHAN BAHAN BAKAR ALTERNATIF YANG RAMAH LINGKUNGAN (Optimization of Biomass Briquettes Production Process Using Taguchi Method)
ABSTRAK Permasalahan yang dihadapi pembuat dan pengguna briket adalah briket yang dihasilkan kualitasnya rendah ditinjau dari nilai kalor. Tujuan penelitian ini adalah menentukan kualitas briket terbaik dari limbah biomassa dalam memenuhi kebutuhan bahan bakar alternatif rumah tangga yang murah dan…
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Journal Article
Investigation of the pyrolysis characteristics and kinetics of oil-palm solid waste by using Coats–Redfern method
The pyrolysis kinetics of oil-palm solid waste was investigated by performing experiments on its individual components, including empty fruit bunch, fibre, shell, as well as the blends by using a simultaneous thermogravimetric analyser at a heating rate of 10°C/min under nitrogen atmosphere and…
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Journal Article
KARAKTERISTIK PEMBAKARAN BRIKET LIMBAH PENGOLAHAN KAYU SENGON (ALBAZIA FALCATARIA)
Saat ini pemanfaatan bahan bakar padat sudah jauh berbeda dan mengalami banyak perubahan, pembakaran adalah metode utama untuk mengubah bahan bakar padat menjadi energi. Dalam penelitian ini 3.5 gram briket dibakar dalam reaktor pembakaran tanpa adanya udara paksa. Termokontroler dipasang pada…
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Journal Article
KARAKTERISTIK DAN PENDEKATAN KINETIKA GLOBAL PADA PIROLISIS LAMBAT SAMPAH KOTA TERSELEKSI
CHARACTERISTICS AND GLOBAL KINETIC APPROACH ON THE SLOW PYROLYSIS OF SELECTED MUNICIPAL WASTE. Municipal Solid Wastes (MSW) has a great potential as a clean renewable feedstock for producing modern energy carriers through thermochemical conversion processes called pyrolysis. However, despite their…
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Journal Article Full text
Particulate Matter Reduction in Residual Biomass Combustion
Counteracting emissions of particulate matter (PM) is an increasingly important goal in sustainable biomass combustion. This work includes a novel approach to investigate the PM emissions, originating from residual biomass combustion, at different combustion conditions in a lab-scale grate-fired…
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Journal Article
Pengolahan Sampah Kota Terseleksi Menjadi Refused Derived Fuel Sebagai Bahan Bakar Padat Alternatif
Municipal Solid Wastes (MSW) has great potential as a clean, renewable feedstock for producing modern energy carriers through thermochemical, called pyrolyis, and densification processes to form a Refused Derived Fuels (RDF), i.e MSW char briquette. In this article, thermogravimetry analysis has…