Rekayasa Mesin Pengering Metoda Vakum dengan Suhu dan Tekanan Terkendali (Design of Vacuum Dryer with Controlled Temperature and Pressure)

Muh. Sakti Muhammadiah; Budi Indra Setiawan; . Erizal; Leopold O. Nelwan; Naresworo Nugroho

Rekayasa Mesin Pengering Metoda Vakum dengan Suhu dan Tekanan Terkendali (Design of Vacuum Dryer with Controlled Temperature and Pressure)

Muh. Sakti Muhammadiah^(1*), Budi Indra Setiawan⁽²⁾, . Erizal⁽³⁾, Leopold O. Nelwan⁽⁴⁾, Naresworo Nugroho⁽⁵⁾,

(1) Universitas Negeri Makassar
(2) Institut Pertanian Bogor
(3) Institut Pertanian Bogor
(4) Institut Pertanian Bogor
(5) Institut Pertanian Bogor
(*) Corresponding Author

Abstract

The objective of this research was to design and construct a model of vacuum dryer under an environmental air pressure of less than 1 atm and test its performance. Drying is a method of reducing water content containing in a material from initial condition until desired final level. Vacuum drying is a method of drying that is still rarely used. This drying method has the advantage of reducing drying time using lower temperature and pressure compared to that of the conventional one commonly used. This research has resulted in such vacuum drying machine model with air temperature and pressure that can be controlled.

Key words: dryer, vacuum, design, construction, control