Effects of drying conditions on the quality of pelletized aquaculture feeds

Abstract

The study determined the optimum drying conditions such as drying temperature, bin depth and airflow rate for producing pelletized aquacultural feeds. Quality of the pellets was compared in terms of hardness, percent of dust, bulk density and durability. Three temperature levels (43 C, 50 C and 60 C) and bin depths (15, 30 and 45 cm) were used in the experiment. Airflow rates were 98 and 197 m3 air per minute per square meter cross-sectional area. Temperature at 43 C, 30 cm depth and 98 m3 air per minute per square meter cross-sectional area were found to be the best conditions. Under these conditions, pellet hardness was 72.3 N and the percent of dust only 0.19%. Bulk density and durability were 513.89 kg cm3 and 99.6%, respectively.

Source or Periodical Title

Philippine Agricultural Scientist

ISSN

317454

Page

228-232

Document Type

Article

Subject

Bulk density, Drying, Durability, Hardness, Pelleting, Percent of dust

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