Abstract
Rhodamine B dye wastewater was degraded using cobalt phthalocyanine supported Mg-Al hydrotal- cite and H₂O₂. The effects of H₂O₂, temperature and concentration of Rhodamine B on the reaction kinetics were studied. The results indicate that the degradation process conforms to the equation of first order kinetics. The fastest rate constant k observed was 66.2 x 10⁻⁴/min⁻¹ at 62.5 °C, and the correlation coefficient R2 was 0.99733.
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