Pemanfaatan Maltodextrin Sebagai Perekat Untuk Meningkatkan Kualitas Briket Dari Sampah Daun Kering

Husnan Zuhry, Muhammad Ilham Wahyudi, Mahidin Mahidin, Asri Gani

Abstract


Briquettes are the new fuel that results from the compression of various organic and inorganic materials. The limited energy available today has caused researchers to continue searching for the best compositions to make proper compositions of briquettes and to fulfill human energy needs. This research offers the concept of making briquettes with organic raw materials, in the form of dried leaves waste by introducing maltodextrin as a binder. There are three main stages in this research. The first stage of preparation of raw materials is the process of destruction of dried leaves and carbonization at a temperature of 350oC to become dried charcoal powder. The second stage utilizes the charcoal powder from the first stage to form the briquettes by mixing the charcoal powder with binder before entering the printing process with a pressure of 6.5 metric tons. Variations of the maltodextrin and kanji concentrations of 4%, 6%, 8%, 10%, and 12% (by weight) provided the best briquette quality choices for operating conditions. The quality of briquettes was analyzed including calorific value, ash content, volatile matter and moisture content and fixed carbon briquette will be calculated. The results showed that the calorific value obtained in the ranged of 4432 kkal / kg - 5732 kkal / kg for maltodextrin binder and 4084 kkal / kg - 5257 kkal / kg for kanji binder. The ash content obtained ranged between 18.89% -21.55% for maltodextrin binders and 19% -22% for starch binders. The volatile content ranged from 17.45% -19.75% for maltodextrin binders and 18.19% -19.11% for starch binders. Water content ranges between 5.78% -8.23% for maltodextrin binders and 5.28% -6.43% for starch binders. Fixed Carbon obtained ranged from 38.76% - 53.65% for maltodextrin binders and 40.67% -52.81% for starch binders. Several result of briquette characteristic analysis have fulfilled SNI standard. However, there are still some analysis results still have values below the predefined standards.

Keywords


Maltodextrin; briquette; calorific value; ash content; moisture content

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