Algerian Journal of Natural Products
Volume 2, Numéro 3, Pages 75-84
2014-09-05
Characterization And Cation Exchange Capacity Of Seeds Of Ziziphus Spina-christi
Authors : Sirry Shadia M. . Kooli Fethi . Al –shareef Shareefah A. .
Abstract
There are several naturally existing materials have ability to utilize as ion-exchangers. Most of these materials are by-products of waste material from industry or agriculture. Agriculture ion exchange materials include: lemon orange, grapefruit, apple, peas, broad bean, and meddler peels, kernel core, and grape skins. This research deals with the utilization of agriculture waste biomass of napak seed as natural cation exchanger for removal of cationic pollutant from aqueous solution. Methylene blue dye method was used to determine the cation exchange capacity of the stone and it was characterized by IR and TGA methods. The results showed that the highest dye sorption capacity was found at pH 7, the equilibrium time was 60 min, sorbent dose = 0.1g, particle size 177µm and methylene blue concentration range 10-50 ppm. The equilibrium sorption data were analyzed by Langmuir and Freundlich isotherm models.
Keywords
cation exchange capacity; Ziziphus spina christi; seeds; methylene blue dye
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