Interaction of 2,4-dinitrophenol and 2,4,6-trinitrophenol with copper, zinc, molybdenum and chromium ferrocyanides

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• 作者：Tewari ; Brij Bhushan ; Mohan ; Dinesh ; Kamaluddin
• 关键词：Adsorption ; Interaction ; Removal ; Substituted phenols ; Metal ferrocyanides ; Adsorbents
• 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
• 出版年：1998
• 出版时间：January 1, 1998
• 年：1998
• 卷：131
• 期：1-3
• 页码：89-93
• 全文大小：274 K

文摘

The adsorption of 2,4-dinitrophenol and 2,4,6-trinitrophenol on copper, zinc, molybdenum and chromium ferrocyanides was studied at different pH and temperature. It was observed that the amount of uptake increases with temperature and the percent adsorption on metal ferrocyanides was a maximum for 2,4,6-trinitrophenol. The Langmuir-type of adsorption is followed in the concentration range 10⁻³ to 10⁻⁴ M for 2,4-dinitrophenol and 2,4,6-trinitrophenol solutions. Thermodynamic parameters of the process have also been evaluated.