Batubara merupakan salah satu komoditi sumber daya alam yang dihasilkan dari aktivitas pertambangan di indonesia dan merupakan bahan tambang strategis dalam penyediaan sumber energi. Untuk wilayah Banten batubara banyak ditemukan di daerah Banten Selatan tepatnya di daerah Bayah. Gasifikasi merupakan solusi untuk pemanfaatan batubara. Gasifikasi batubara adalah proses konversi batubara berwujud padat menjadi campuran gas. Reaksi utama yang terjadi adalah reaksi water gas, boundouard dan water gas-shift. Penelitian ini bertujuan untuk mengetahui pengaruh Air Fuel Ratio (AFR) gasifikasi pada proses gasifikasi batubara Alam Bayah Banten yang menghasilkan gas sintesis dengan Rasio H2/CO ≈ 2. Parameter yang diukur adalah komposisi gas H2 dan CO dengan menggunakan Gas Chromatography. Proses gasifikasi dilakukan dengan reaktor fixed bed tipe updraft menggunakan medium steam pada ukuran batubara 14 mesh sebanyak 300 gram dengan variasi AFR 1,5, 2 dan 2,5 pada temperatur 800oC. Energi aktivasi reaksi gasifikasi dapat diturunkan dengan menggunakan katalis Ca(OH)2 sebanyak 3% dari massa batubara. Dari hasil penelitian diperoleh komposisi gas syngas rasio H2/CO terbaik pada nilai AFR 1,5 temperatur 800oC menggunakan katalis Ca(OH)2 yaitu 1,98 dengan komposisi gas H2 33,8% dan gas CO 17,1%.
In carrying out various activities today, it cannot be separated from the fuel. As we all know, fuels that are still commonly used today are fossil fuels whose energy resources are running low. Not only that, fossil fuels have also been shown to produce air pollution. Unhealthy air conditions can certainly reduce human life expectancy. In order to make the clean environment and not polluted by the air pollution, there must be environmentally friendly fuels. The answer for this kind of fuels is hydrogen which comes from nonfossil. One way to obtain hydrogen is an electrolysis reaction. Water can produce hydrogen through electrolysis. Just a few liters of water, it can produce ten to twenty thousand liters of hydrogen gas per hour. The use of Hydrogen as a non-fossil fuel has been proven to be environmentally friendly and free of carbon monoxide. Healthy air and a clean environment are certainly our responsibility. It's time to switch by using hydrogen fuel.
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