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Abstract

Dehydrated carbon (DC) was prepared from date palm leaflets via sulfuric acid treatment. DC was functionalized via amide coupling using ethylene diamine (EDA) and propylene diamine (PDA) to produce basic dehydrated carbons (BDCs): BDC-EDA and BDC-PDA, respectively, and using ethylamine (EA) and aniline (AN) to produce hydrophobic dehydrated carbons (HDCs): HDC-EA and HDC-AN, respectively. Surface  areas were found low, between 6.7-16 m2/g with mesoporosity domination. FTIR shows that –COOH content on DC almost disappeared after surface functionalization. Faster adsorption of methylene blue with larger adsorption capacity was found on HDC-EA than other adsorbents because of stronger hydrophobic interaction forces.

Keywords

Dehydrated carbon Acidic Basic Hydrophobic Methylene blue

Article Details

Author Biographies

El-Said El-Shafey, College of Science, Sultan Qaboos University, P.O. Box 36, PC 123, Al-Khod, Muscat, Sultanate of Oman

Department of Chemistry

Syeda N.F. Ali, College of Science, Sultan Qaboos University, P.O. Box 36, PC 123, Al-Khod, Muscat, Sultanate of Oman

Department of Chemistry

Haider Al-Lawati, College of Science, Sultan Qaboos University, P.O. Box 36, PC 123, Al-Khod, Muscat, Sultanate of Oman

Department of Chemistry

Saleh Al-Busafi, College of Science, Sultan Qaboos University, P.O. Box 36, PC 123, Al-Khod, Muscat, Sultanate of Oman

Department of Chemistry

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