Adsorptive removal of direct textile dyes by low cost agricultural waste: Application of factorial design analysis
作者： Yusra Safa , Haq Nawaz Bhatti
DOI: 10.1016/J.CEJ.2010.11.103
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摘要: Abstract This research work involved the use of factorial experimental design technique to investigate biosorption Everdirect Orange-3GL and Direct Blue-67 dyes from aqueous solution on rice husk. A 53 full was employed study effect three factors: initial dye concentration, biosorbent dose pH at five levels. The efficiency husk for removal has been determined after 3 h treatment 30 °C using suitable size (0.255 mm). Main interaction effects were analyzed by analysis variance (ANOVA), F-test P-values define most important process variables affecting biosorption. statistical model best fitted with high coefficient determination (R2 = 0.999) dyes. significant variable thus found be both FT-IR studies showed that hydroxyl functional groups participated in
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