FAKTOR-FAKTOR YANG MEMPENGARUHI KANDUNGAN GAS METANA BATUBARA PADA LAPISAN BATUBARA B DAN C YANG DITEMBUS PEMBORAN DI LOKASI AD-01 DAERAH OMBILIN, KOTA SAWAHLUNTO, PROVINSI SUMATERA BARAT
Abstract
Pemboran di lokasi AD-01 ditemukan lapisan batubara B dan C yang berdasarkan hasil analisis kandungan gas memiliki kandungan gas metana (CH4) 84,26 % dan 61,38 %. Berdasarkan hasil analisis proksimat diketahui batubara Lapisan B memiliki nilai kalori 7.434 kal/gr (adb), zat terbang 35,18 %, karbon tertambat 55,10 %, abu (Ash) 7,18 % dan belerang 1,20 % sedangkan batubara Lapisan C memiliki nilai kalori 7.645,5 kal/gr (adb), zat terbang 40,36 %, karbon tertambat 53,42 %, abu 4,02 % dan belerang 4,38 %.Perbedaan kandungan gas metana yang terdapat dalam lapisan batubara B dan C diperkirakan dipengaruhi oleh komponen-komponen yang terdapat dalam batubara hasil analisis proksimat.
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