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Menampilkan postingan dari Agustus, 2020

HABIS MANIS SEPAH DIBUANG???

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 HABIS MANIS SEPAH DIBUANG?? JANGAN MASIH ADA NILAI RENEWABLE !!!        Usaha kuliner yang makin berkembang pesat membutuhkan energi alternativ yang ramah lingkungan dan bertemperatur tinggi. Indonesia sebagai penghasil kelapa terbesar di dunia mempunyai potensi untuk pengembangan biobriket.  Briket adalah bahan bakar padat yang dapat digunakan sebagai bahan bakar alternatif pengganti minyak tanah.  Tahapan dalam pembakaran bahan bakar padat adalah sebagai berikut:  Pengeringan. Dalam proses ini bahan bakar mengalami proses kenaikan temperatur yang akati mengakibatkan menguapnya kadar air yang berada pada permukaan bahan bakar tersebut, sedangkan untuk kadar air yang berada didalam akan menguap melalui poripori bahan bakar tersebut.   Devolatilisasi. Yaitu proses bahan bakar mulai mengalami dekomposisi setelah terjadi pengeringan. Pembakaran Arang. Sisa dari pirolisis adalah arang (fix carbon) dan sedikit abu, kemudia...

How Rizki Became The Leader Of His Class

 One morning Mr. Ramses the headmaster came into the classroom. There was no teacher in the room. The students were making a lot of noise. But when Mr. Ramses walked into the classroom everybody was quiet. Nobody talked. Thiss is III B, isnt it? Yes, it is Mr. Ramses. Were waiting for Mr. Lukman, but he hasnt come yet. Yes, I know. Ive come to tell you that Mr. Lukman cannot came today, because hes sick, said the handmaster. Now i want you to spend the time wisely. I want you to choose the leader for this class. But please, do it without too much noise. Choose a good leader and choose him carefully, because hes going to be your own leader and be sure to do it quietly. After Mr. Ramses had left, the student began the choose their leader. I want Rizki to be our leader, Putri said I want Johan, said another boy. wed better choose hendra, tian said. wait a minute, wait a minute! ill write down the names of the candidates, petrus said, and he left his desk and went to the blackboard. He...