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http://dx.doi.org/10.5322/JES.2003.12.1.063

Extraction of Alginate from Waste-Brown Seaweed and Use of Dealginate  

박권필 (순천대학교 화학공학과)
김태희 (순천대학교 화학공학과)
김영숙 (순천대학교 생물학과)
Publication Information
Journal of Environmental Science International / v.12, no.1, 2003 , pp. 63-68 More about this Journal
Abstract
Effective alginate extraction from waste-brown seaweeds was studied. The waste-brown seaweeds almost consist of stems of seaweeds. Alginate could be obtained from the stems as well as leaves of seaweed. Ultrasonic vibration(47kHz) facilitated filtering step in the alginate extraction process. Among various alkalies for alginate extraction, $NaHCO_3$ was most appropriate concerning use of dealginates. The yield of alginate extraction using $NaHCO_3$ 2wt% solution was 19.3% at $60^{\circ}C$. The dealginates from $NaHCO_3$-extraction process have been found most suitable food for red-worms.
Keywords
Waste; Brown seaweed; Alginate; Dealginate; Extraction; Red-worms; $NaHCO_3$;
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