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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)

https://doi.org/10.22146/jml.18733

Musabbikhah Musabbikhah(1*), Harwin Saptoadi(2), Subarmono Subarmono(3), Muhammad Arif Wibisono(4)

(1) Fakultas Teknik, Jurusan Teknik Mesin dan Industri, Universitas Gadjah Mada Jl. Grafika no.2 Yogyakarta 55281
(2) Fakultas Teknik, Jurusan Teknik Mesin dan Industri, Universitas Gadjah Mada Jl. Grafika no.2 Yogyakarta 55281
(3) Fakultas Teknik, Jurusan Teknik Mesin dan Industri, Universitas Gadjah Mada Jl. Grafika no.2 Yogyakarta 55281
(4) Fakultas Teknik, Jurusan Teknik Mesin dan Industri, Universitas Gadjah Mada Jl. Grafika no.2 Yogyakarta 55281
(*) Corresponding Author

Abstract


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 ramah lingkungan guna mewujudkan masyarakat mandiri energi. Metode yang digunakan untuk menentukan kualitas briket adalah metode Taguchi. Variabel bebas dalam penelitian ini adalah tekanan pengepressan, waktu penahanan, model cetakan, suhu pengeringan, lama pengeringan dan komposisi bahan, sedangkan variabel terikat adalah nilai kalor briket. Hasil penelitian menunjukkan bahwa kualitas briket terbaik ditinjau dari nilai kalor tertinggi yaitu pada setting parameter A2B1C2D2E2F1, artinya tekanan pengepressan 225 kg/cm2, waktu penahanan 5 menit, model cetakan sarang tawon (kotak), suhu pengeringan 60 °C, lama pengeringan 3 hari, perbandingan limbah jarak pagar : arang sekam : arang tempurung kelapa : perekat adalah 5 : 3: 2 : 1. Rata-rata nilai kalor biobriket yang dihasilkan sebesar 5.323 kal/g. Hal ini menunjukkan bahwa briket mempunyai nilai kalor yang tinggi dan memenuhi SNI, sehingga briket layak untuk memenuhi kebutuhan bahan bakar alternatif yang ramah lingkungan.

ABSTRACT

Problems that encountered on manufacturers and users of briquettes is low quality of the briquettes in terms of heat value. The aim of this research is to determine the best quality of the briquette which is made from biomass waste. The briquette is expected to be used to fulfill the need of inexpensive and environmentally friendly of alternative household fuel, by which the energy independent community could be realized.The method used to determine the quality of the briquette is Taguchi method. The independent variables involved are compressive strength, holding time, mold model, drying temperature, drying time and material composition. The dependent variable is the highest heat value of the briquette. The results show that based on the highest heat value, the best briquette quality is parameter setting of A2B1C2D2E2F1, which means that the compressive strength is 225 kg/cm2, the holding time is 5 minutes, the mold model is honeycomb of box, drying temperature is 60 °C, drying time is 3 days and the ratio of Jatropha Curcas waste : rice husk charcoal : coconut shell charcoal : adhesive is 5 : 3: 2 : 1. The average heat value of briquette is 5,323 cal/g. This matter the briquettes show that high heat value and feasible of recommendation by SNI, and so briquette decent to fulfill the need of environment friendly alternative fuel.


Keywords


bahan bakar; briket; biomassa; energi alternatif; limbah padat; nilai kalor; ramah lingkungan; alternative energy; briquette; biomass; charcoal; environment friendly; heat value; solid waste



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DOI: https://doi.org/10.22146/jml.18733

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