Study the effects of reaction parameter on degradation of janus green B by using nano zinc oxide loaded on activated carbon
Abstract
In this study, zinc oxide nano particles loaded on activated carbon (ZnO/AC) has been successfully prepared for degradation of Janus Green B (JGB) under low UV light intensity. The activated carbon (AC) was synthesized from rice husk by two steps calcination at 800 ℃, ZnO/AC was synthesized by hydrothermal method with the assistant of HMTA. As-prepared samples were characterized by XRD, FE-SEM, N2 adsorption/desorption. The effects of operational parameters on the photo-degradation reaction progress, including catalyst dosage, initial dye concentration, initial pH value and the addition of inorganic anions were investigated in detail. In addition, the photodegradation rate of JGB on composite was evaluated by using the pseudo-first-order model.
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