Pembahasan Grinding and Sizing

Percobaan yang dilakukan kali ini yaitu grinding dan sizing, tujuan dari percobaan ini yaitu untuk menentukan ukuran (diameter) partikel padat umpan (feed) dan produk hasil grinding dengan menggunakan analisis ayakan dan untuk menghitung energi kominusi yang dibutuhkan dengan mereduksi ukuran diameter umpan Dp_awal menjadi Dp_akhir. Grinding merupakan suatu unit operasi yang berfungsi untuk memperkecil ukuran, istilah lain dari grinding yaitu pemecahan dan penghalusan atau panghancuran (size reduction).  

Message from Mother

One day there is a young boy who hurry to come into restaurant, because he was starving from in the morning. After he ordered some food, little boy came to near him. Little boy was a young cake seller.

• Little boy: excuse me sir, have some cake? it's a delicious
• Young boy: no thanks, i just wanted to eat some rice (young boy refused and smiled at the time)

and then the little boy out of the restaurant and waited him in the outside. When the little boy saw him was done eating, the little boy came near him anymore, and offered cake again when he would pay the food and went to the casheer. The young boy said to little boy, no thanks because i am full. But the little boy followed him, the little boy said this could be souvenir sir. And then he gave money to little boy.