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~ Bahan Bakar Fuel Cell Dari Limbah

Alpen Steel | Renewable Energy


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~ Bahan Bakar Fuel Cell Dari Limbah

Air Limbah Sebagai Bahan Bakar Fuel Cell

Berawal dari seminar teknologi fuel cell yang baru saja diikutinya, Gerardine Botte, seorang associate profesor teknik kimia dan biomolekuler di Russ College of Engineering and Technology, mendapatkan ide untuk menghasilkan hidrogen dengan metode elektrolisa air. Meski metode yang digunakan masih menggunakan elektrolisa, tetapi Botte membawanya selangkah lebih maju.

Ide yang dibawa Botte memang menggunakan metode yang tidak baru lagi, tetapi alih-alih menggunakan air bersih, Botte berpikir untuk memanfaatkan air limbah.

Menurut Botte, ammonia yang biasanya banyak terdapat dalam air limbah bisa dipisahkan untuk kemudian diubah menjadi hidrogen. Riset yang dihasilkannya merupakan teknologi fuel cell pertama yang menggunakan amonia. Teknologi yang dinamakan "sel elektrolit amonia" tersebut bisa menghasilkan hidrogen sesuai kebutuhan. Artinya, pada saat diperlukan hidrogen langsung bisa dihasilkan.

Selain itu dengan menggunakan teknologi tersebut, efisiensi dalam menghasilkan hidrogen juga lebih baik dibandingkan dengan elektrolisa air. energi yang diperlukannya juga hanya sebesar 5% jika dibandingkan elektrolisa air untuk menghasilkan hidrogen.

Amonia sendiri merupakan sumber terbarukan. Menurut Botte, setidaknya di Amerika Serikat sebanyak 5 juta ton amonia setiap tahunnya mengalir ke saluran pembuangan dalam bentuk urin manusia ataupun hewan.

Saat ini berdasar idenya, beberapa riset juga dilakukan di Ohio University dengan cabang-cabang elektrolisa amonia yang lebih spesifik untuk aplikasinya pada kendaraan dan rumah tinggal.

[Ohio University]

 Sumber.Planethijau


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