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摘要:
The adsorption property of C. camphora fallen leaves powder (CFLP) to methyl violet (MV) from aqueous solution was studied in this work. The results showed that the CFLP has considerable adsorption property to MV. The percentage adsorption reached 91% in 50mgL(-1) of MV solution at dosage 0.6mgL(-1). The adsorption kinetics for MV on the CFLP follow a pseudo-second-order pathway, and the adsorption equilibrium data can be described well by the Langmuir isotherm model compared to Freundlich isotherm model. Intra-particle diffusion is not the only rate-controlling step and combination of mechanisms was involved in the entire adsorption process for MV on the CFLP; the adsorption process is endothermic, spontaneous and random. Therefore, the CFLP can be used as low-cost adsorbent for refractory cationic organic dye in wastewater.
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来源 :
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
ISSN: 0193-2691
年份: 2017
期: 8
卷: 38
页码: 1135-1141
2 . 2 0 0
JCR@2022
ESI学科: CHEMISTRY;
ESI高被引阀值:212
中科院分区:4