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Mohamed Laabd Hafsa Chafai Nouh Aarab Abdelhadi El Jaouhari Mohammed Bazzaoui Hassan Kabli Habiba Eljazouli Abdallah Albourine 《Environmental Chemistry Letters》2016,14(3):395-400
Adsorbents in the form of powders are commonly used to filtrate organic compounds in waters. However, this technique requires the separation of the solid phase from the solution after adsorption experiments. Here we propose the use of films as adsorbents. We synthesized polyaniline films by chemical oxidative polymerization of aniline on red ceramic brick. This film was tested to remove trimellitic, hemimellitic and pyromellitic acids as model molecules of the biodegradation of aquatic humic substances. We evaluated the effect of pH, contact time and initial concentration. Our results show that optimal adsorption conditions required 45 min of solid/liquid contact at pH 7 and an initial concentration of 20 mg/l. The maximum adsorption capacities for hemimellitic, trimellitic and pyromellitic acids are 154.83 for hemimellitic acid, 161.88 for trimellitic acid and 175.26 mg/g for pyromellitic acid. The adsorption efficiency of the polyaniline film decreased only by 13 % after four cycles. Overall, we conclude that polyaniline films are promising separable adsorbents compared to conventional adsorbents for removal of aromatic polycarboxylic acids from water. 相似文献
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Imgharn Abdelaziz Aarab Nouh Hsini Abdelghani Naciri Yassine Elhoudi Mohammed Haki Mohamed Ait Laabd Mohamed Lakhmiri Rajae Albourine Abdallah 《Environmental science and pollution research international》2022,29(40):60259-60268
Environmental Science and Pollution Research - This work aims to investigate the adsorption performance of orange G (OG) dye from aqueous solutions employing PANI@sawdust biocomposite enrobed by... 相似文献
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