Performance and optimization of diclofenac and ibuprofen adsorption onto activated carbon synthesized from sunflower seed shell (Helianthus annuus) in natural groundwater samples

In this study, activated carbon (AC) obtained from biomass waste materials (sunflower seed shells -SSS) was synthesized by combining chemical (H 3 PO 4 80% wt.) and thermal activation (at 544 °C). Synthesized AC exhibited a BET surface area of 1531 m 2  g −1 , and pore volume of 0.98 cm 3  g −1 . Th...

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Bibliographic Details
Published in:Adsorption : journal of the International Adsorption Society 2024, Vol.30 (6), p.783-800
Main Authors: Alvear-Daza, John J., Rengifo-Herrera, Julián A., Pizzio, Luis René
Format: Article
Language:English
Subjects:
Acetonitrile
Activated carbon
Adsorbents
Adsorption
Aqueous solutions
Bicarbonates
Chemical synthesis
Chemistry
Chemistry and Materials Science
Deionization
Design of experiments
Design parameters
Diclofenac
Engineering Thermodynamics
Functional groups
Graphitization
Groundwater
Heat and Mass Transfer
Ibuprofen
Industrial Chemistry/Chemical Engineering
Nonsteroidal anti-inflammatory drugs
Optimization
Pollutants
Sunflowers
Surface area
Surfaces and Interfaces
Thin Films
Water reuse
Water sampling
X ray photoelectron spectroscopy
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Summary:In this study, activated carbon (AC) obtained from biomass waste materials (sunflower seed shells -SSS) was synthesized by combining chemical (H 3 PO 4 80% wt.) and thermal activation (at 544 °C). Synthesized AC exhibited a BET surface area of 1531 m 2  g −1 , and pore volume of 0.98 cm 3  g −1 . The material exhibited various surface functional groups, such as P 2 O 7 , C-O-P and -COOH, O = C, as well as a moderate graphitization degree (I D /I G  
ISSN:0929-5607
1572-8757
DOI:10.1007/s10450-024-00461-y