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Elimination de bleu de méthylène par les grains de Rubia Tinctorum

Elimination de bleu de méthylène par les grains de Rubia Tinctorum

Zineb Wardighi

66,66 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química
ISBN:
9786209344527
66,66 €
IVA incluido
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Cette étude porte sur l’élimination du bleu de méthylène (MB), un colorant organique, à l’aide d’un processus d’adsorption. Les graines de Rubia Tinctorum (RTS) sont considérées comme un nouvel adsorbant économique et efficace pour adsorber le MB. Cette efficacité est prouvée par des analyses microscopiques réalisées à l’aide de la spectroscopie FTIR et de la microscopie électronique à balayage (MEB). Afin d’étudier l’effet de certains paramètres testés, tels que la masse du biosorbant, la température, la concentration et le pH, sur la capacité d’adsorption, des études de modélisation ont montré que le traitement examiné correspondait au modèle pseudo-second ordre et au modèle isotherme de Langmuir, et que la quantité d’adsorption avait été déterminée à 188,68 mg/g. Enfin, l’étude thermodynamique a révélé le mode endothermique du processus d’élimination du MB par les RTS.

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