Photocatalytic Degradation of Indigo Carmine Dye Using Calcium Oxide
Author(s) -
Kirana Devarahosahalli Veeranna,
Madhu Theeta Lakshamaiah,
T. N. Ramesh
Publication year - 2014
Publication title -
international journal of photochemistry
Language(s) - English
Resource type - Journals
eISSN - 2356-7090
pISSN - 2314-7148
DOI - 10.1155/2014/530570
Subject(s) - indigo carmine , calcium oxide , degradation (telecommunications) , nuclear chemistry , chemistry , photocatalysis , calcium , oxide , adsorption , inorganic chemistry , catalysis , organic chemistry , telecommunications , computer science
Calcium oxide was used as photocatalyst for the degradation of indigo carmine dye solution in the visible, long UV, and short UV radiation. We have investigated the effectiveness of degradation of indigo carmine dye solution at pH 9 and 12 using calcium oxide with the particle size of 30–36 nm by varying the concentration, dose of adsorbent, and duration. It has been found that the degradation of indigo carmine dye is effective at pH = 9, when 0.12 g of calcium oxide was used. The nature of interaction between calcium oxide and indigo carmine dye was discussed.
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