Pemanfaatan Enceng Gondok Sebagai Sumber Bahan Bakar Alternatif  

Oleh:

Arif, Effendy ; Piarah, Wahyu H. ; H, Millionarto ; Syam, Irfan

Jenis: Article from Proceeding
Dalam koleksi: Prosiding Seminar Nasional Riset & Teknologi Terapan (Ritektra) "Peran Riset & Teknologi Terapan dalam Pengembangan Industri", Jakarta 7-8 Juli 2011 : Fakultas Teknik Mesin, page 61-69.
Topik: Charcoal; Briquet; Enceng Gondok; Proxymation Analysis; Heating Value; Compression Sterngth; Density
Fulltext: TM-008.pdf (4.32MB)

Isi artikel

Enceng gondok (eichornia crossipes) is a water plant that grows and spreads over the surface of water. Due to the very fast growth (3 % per day), the plant in many ways disturb preservation of the water environment. Efforts should be done to control the spreading of the plant and the negative effects. One of the efforts is by utilizing the plant as an alternative/renewable energy source. The objectives of this study are:i) to manufacture charcoal briquets from the plant with some variations of glue/strengthening material, ii) to perform laboratory test for obtaining briquette composition, thermal properties, physical properties, and combustion properties. The briquets manufacturing process (in the form of honey comb) includes: carbonation , milling, mixing with glue/strengthening materials, pressing in the pressing machine, and drying. The briquets produced have an average dimension of 6.3 cm in diameter and 4.5 cm in height; equipped with a bigger hole in the middle and four smaller holes in the periphery; with an average mass of 95 grams. The average proximation analysis results : Moisture 13.17%, Volatile Matters 25.19%, Ash 41.32%, Fixed Carbon 20.34 %, and Heating Value 2681 cal/gram. Average physical test results: compression strength 2.64 kg/cm2 and density 2.96 gram/cm3. Combustion test in a briquet stove reaches maximum temperature of 450 0C and with the boiling water method the system thermal efficiency is 19.45 %. The above results reveals that, in general, the enceng gondok briquets do not fulfill the existing briquet standards. In spite of, the briquets still have a potential as an alternative energy source for domestic needs (cooking) and small industries. Besides, the utilization of the briquet may help to control the enceng gondok growth and in turn help the water environment preservation.

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