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The drying of seaweeds and other plants. I.—Through‐circulation drying of Ascophyllum nodosum
Author(s) -
Merritt J. H.,
Cosgrove E. T.
Publication year - 1958
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740090509
Subject(s) - ascophyllum , moisture , vitis vinifera , air temperature , airflow , water content , brown seaweed , botany , chemistry , environmental science , pulp and paper industry , materials science , algae , meteorology , composite material , biology , thermodynamics , physics , geology , geotechnical engineering , engineering
Tests on the through‐circulation drying of Ascophyllum nodosum on a semi‐commercial scale have been conducted with a batch dryer to determine the optimum conditions. It was found that there was a maximum feasible loading for rockweed of 80% initial moisture content of approximately 8 Ib./sq. ft. in each layer and that four layers were enough to insure full use of drying air at an air mass flow of 20 Ib. dry air/min./sq. ft. The effects of variations in the fraction of air recirculated, air‐flow reversal, and temperature (160–220° F) have been studied with particular reference to output and thermal efficiency. High outputs were recorded at heat consumptions of <2500 B.Th.U./Ib. of water evaporated.
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