Journal
SEPARATION SCIENCE AND TECHNOLOGY
Volume 54, Issue 8, Pages 1338-1352Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2018.1531892
Keywords
Hydroxide sludge; activated carbon; heterogeneous fenton reaction; reactive blue 19
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Hydroxide sludge (HS) is the main by-product of drinking water production stations. In our work, we have promoted the valorization of these sludge, we convert it into activated carbon to serve as a support as a heterogeneous Fenton catalyst for reactive blue 19 (RB 19) degradation. The HS and Fe/HS-300 were characterized by means of SEM, EDX-ray, FTIR and XRD analysis. RB 19 and TOC removals were 92% and 41% respectively in optimal condition. More importantly, Fe/HS-300 exhibited an excellent stability and low Fe ion leaching (0.2-0.7mg/L), it was recycled 6 runs still maintaining the same efficiency.
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