PENGARUH KERAPATAN KAYU, TEKANAN PENGEMPAAN DAN JENIS PEREKAT TERHADAP SIFAT BRIKET KAYU

R Sudradjat

Sari


            Chips of eight wood species were milled and briquette with varying pressure. Cassava flour and molasse were used as binders.

            Briquette density ranged from 0,875 to 1.037 g/cm3; compressive strength from 216.32 to 604.12 kg/cm2; calorific value from 4318 to 4668 cal./g, moisture content from 3.58 to 6.12%, and ash content from 1.61 to 3.91%.

            Higher density woods produced higher density briquette but lower in moisture and ash contents. Briquettes bonded with cassava flour were higher in density and ash content but lower in compressive strength and calorific value.

            The relationship between pressing pressure and briquette density can be expressed in a linear regression equation. The effect of pressing pressure on compressive strength follows a quadratic regression equation for briquettes bonded with molasse.        

 


Kata Kunci


produced;relationship;equation;moisture

Teks Lengkap:

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Referensi


ANONYMOUS (1977). British Standard Institution, part 5. Methods for analysis and testing

of coal and coke, p. 1-8.

BRAUTLECHT,C.A. (1953). Starch. Its Sources, prodution and uses, Book Division

Reinhold Publishing Corporation, new York.

HARTOYO DAN SUDRAJAT (1979). Profil Industri Bahan Energi dari kayu di Indonesia.

Prosiding Diskusi Industri Perkayuan, LPHH.




DOI: https://doi.org/10.20886/jphh.1984.1.1.11-16

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