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Multi-response optimization of alginate bleaching technology extracted from brown seaweeds by an eco-friendly agent
(2021-01-01)
Alginate only finds industrial applicability after undergoing a bleaching process to improve its visual appearance. Box-Behnken Design was used to optimize bleaching parameters (time, oxygen flow and temperature) for sodium ...
A New and Simple Visual Technique Based on Indigo Dye for Determination of Ozone in Ambient Air
(Springer, 2014-02-01)
Episodes of pollution resulting from high concentrations of environmental ozone frequently occur in different parts of the world. The ozone can affect human health, natural vegetation, and agricultural productivity. The ...
Combination of an anaerobic process with O(3), UV and O(3)/UV for cellulose pulp bleaching effluent treatment
(DESALINATION PUBL, 2009)
Recent studies have shown that partial oxidation by advanced oxidation processes (AOP) is able to transform hard-to-degrade compounds and increase their biodegradability. In this work, anaerobic treatment was followed by ...
Ozone organosolv bleaching of radiata pine kraft pulp
(SPRINGER, 1997)
The effect of organic solvents on the selectivity and brightness of high consistency ozone bleaching of radiata pine I(raft-oxygen pulp was investigated. Among several organic compounds, formic acid is the most attractive ...