Development of sustainable and cost effective biosorbent from hazelnut shell waste for lithium extraction from water
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2024-01-20 19:00
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579.26:661.183 (1)
Microbiologie generală (132)
Produse chimice (89)
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RECEPOĞLU, Yasar Kemal, YÜKSEL, Aslı. Development of sustainable and cost effective biosorbent from hazelnut shell waste for lithium extraction from water. In: Ecological and environmental chemistry : - 2022, Ed. 7, 3-4 martie 2022, Chișinău. Chisinau: Centrul Editorial-Poligrafic al USM, 2022, Ediția 7, Vol.1, pp. 208-209. ISBN 978-9975-159-07-4.. 10.19261/eec.2022.v1
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Ecological and environmental chemistry
Ediția 7, Vol.1, 2022
Conferința "Ecological and environmental chemistry 2022"
7, Chișinău, Moldova, 3-4 martie 2022

Development of sustainable and cost effective biosorbent from hazelnut shell waste for lithium extraction from water

CZU: 579.26:661.183

Pag. 208-209

Recepoğlu Yasar Kemal, Yüksel Aslı
 
İzmir Institute of Technology
 
Disponibil în IBN: 18 martie 2022


Rezumat

Sustainability and green chemistry have been critical for the development of the next generation of materials over the last decade, with the use of bio-based polymer matrices potentially allowing for lower environmental impacts through the use of renewable carbon and more easily biodegradable or reusable materials. On the other hand, energy transition elements are gaining importance due to their ability to provide energy and play an important role as primary energy sources in sustainability as well. To satisfy the enormous growth in worldwide lithium use caused by the rapid adoption of electric vehicles and mobile electronics, researchers are looking for alternate lithium-capable materials and sources. In this study, hazelnut shell waste that is a real cellulose resource that is inexpensive and abundant in Turkey was phosphorylated to develop a novel biosorbent based on natural renewable resource for the recovery of lithium from aqueous solution. Surface morphology and mapping by SEM–EDS, chemical characteristics by FTIR, elemental analysis by XPS, specific surface area by BET, crystallinity by XRD, and thermal properties by TGA were all thoroughly investigated for the synthesized biosorbent. Biosorbent dosage, initial concentration, temperature, contact time, pH, and coexisting ions all had an effect. The equilibrium sorption capacity reached 6.03 mg/g under optimal conditions (i.e., biosorbent dosage of 12.0 g/L, initial Li concentration of 100 mg/L, pH value of 5.8, sorption temperature of 25°C, and sorption time of 6 min). Desorption studies at 25oC revealed that relatively higher desorption efficiency and capacity were achieved at 97.4% and 5.93 mg/g, respectively with a 1.0 M H2SO4 among other regenerants (i.e., HCl and NaCl). As a result, because of these unique characteristics, the novel phosphorylated hazelnut shell waste can be valorized for lithium recovery from aqueous solution by contributing sustainability and circular economy.