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~ Pelestarian Alam Dengan Biogas

Alpen Steel | Renewable Energy


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~ Pelestarian Alam Dengan Biogas

Melestarikan alam dengan Biogas

Biogas memberikan solusi terhadap masalah penyediaan energi dengan murah dan tidak mencemari
lingkungan. Berdasarkan hasil temuan mahasiswa KKN (1995) dan Penelitian Kecamatan   Rawan di
Magetan (1995) di desa Plangkrongan, rata-rata disetiap rumah terdapat 1-3 ekor lembu karena  me-
melihara lembu merupakan pekerjaan kedua setelah bertani. Setiap harinya   rata-rata seekor  lembu
menghasilkan kotoran sebanyak 30 kg. Jika terdapat 2.000 ekor lembu, maka   setiap  hari akan  ter-
kumpul 60 ton kotoran.

Kotoran yang menggunung akan terbawa oleh air masuk ke dalam tanah atau sungai yang kemudian
mencemari air tanah dan air sungai. Kotoran lembu mengandung racun dan bakteri Colly yang mem-
bahayakan kesehatan manusia dan lingkungannya.

Pembakaran bahan bakar fosil  menghasilkan  Karbon dioksida (CO2) yang ikut  memberikan kontri-
busi bagi efek rumah kaca (green house effect) yang  bermuara pada   pemanasan global (global war-
ming). Biogas memberikan perlawanan  terhadap efek  rumah  kaca melalui 3 cara. Pertama, Biogas
memberikan substitusi atau pengganti dari bahan bakar fosil untuk penerangan, kelistrikan, memasak
dan pemanasan. Kedua, Methana (CH4) yang dihasilkan secara alami oleh kotoran yang menumpuk
merupakan gas penyumbang terbesar pada efek rumah kaca, bahkan lebih besar dibandingkan CO2.
Pembakaran Methana pada Biogas mengubahnya menjadi CO2 sehingga mengurangi jumlah Methana
di udara. Ketiga, dengan lestarinya hutan, maka akan CO2 yang ada di udara akan diserap oleh hutan
yang menghasilkan Oksigen yang melawan efek rumah kaca.

Sumber:
Majalah Kampus Genta

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