Journal
INTERNATIONAL JOURNAL OF PHARMACOLOGY
Volume 12, Issue 7, Pages 729-736Publisher
ASIAN NETWORK SCIENTIFIC INFORMATION-ANSINET
DOI: 10.3923/ijp.2016.729.736
Keywords
Ibuprofen; adsorption; biochar; characterization
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Funding
- King Saud University, Deanship of Scientific Research
- College of Science Research Center
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Background: Adsorption of non-steroidal anti-inflammatory drugs ibuprofen (IBP) by straw based biochars was studied. Methodology: In this study, rice straw was pyrolyzed at different temperatures (400-600 degrees C) and were characterized by elemental analysis, Brunauer Emmett Teller (BET) surface area and particle size distributions. Ibuprofen adsorption kinetics and mechanism were studied. Increasing pyrolysis temperature of biochar decrease its ash content, yield, acidity, total hydrogen and oxygen contents while biochar density, total carbon, nitrogen and basicity decreased for the reason of pyrolytic volatilization during pyrolysis. Ibuprofen adsorption have been found to be accelerated and reproduced by pseudo-second-order kinetic equation. Results: Results revealing that pyrolysis of straw allows obtaining biochars samples appropriate for the treatment of liquid waste solution that contaminated by pharmaceutical compounds. Conclusion: Pyrolysis temperature was found significantly effective on physicochemical properties of the produced biochars.
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