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- Title
Study on removal of bromine ions from drinking water by hydrothermal charcoal with turmeric residue.
- Authors
LIU Haiyan; ZHANG Jingsen; JIN Yaobing; LIU Yanghong; FENG Xinfang; JUAN Qin
- Abstract
A hydrothermal earbon was prepared from waste turmeric residue, and its physicochemical structure was characterized by EPMA, FTIR, XRD and BET. The effects of hydrothermal carbon dosage, pH value, adsorption time and coexisting anions on Br removal from drinking water were studied by static adsorption method. The results showed that after adsorption for 60 min, the adsorption capacity of hydrothermal carbon to 5 mg/L Br was 5.51 mg/g, the removal rate was 55.12%, under the conditions of 25 °C, pH = 7 and 0.5 g/L of the dosage of hydrothermal carbon. The adsorption of Br by hydrothermal carbon fitted to Freundlich isothermal adsorption model, and its adsorption process could be better described by pseudo-second-order kinetic model.
- Subjects
DRINKING water; TURMERIC; BROMINE; CHARCOAL; X-ray diffraction
- Publication
Applied Chemical Industry, 2024, Vol 53, Issue 7, p1608
- ISSN
1671-3206
- Publication type
Article