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3D-printed monolithic biofilters based on a polylactic acid (PLA) – hydroxyapatite (HAp) composite for heavy metal removal from an aqueous medium

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Title 3D-printed monolithic biofilters based on a polylactic acid (PLA) – hydroxyapatite (HAp) composite for heavy metal removal from an aqueous medium
Not Available
 
Creator Natalia Fijoł
Abdelhamid, H. N.
Binsi, P.K.
Hall, S. A.
Nebu Thomas
Aji P. Mathew
 
Subject Not Available
 
Description Not Available
High flux, monolithic water purification filters based on polylactic acid (PLA) functionalised with fish scale extracted hydroxyapatite (HAp) were prepared by solvent-assisted blending and thermally induced phase separation (TIPS), followed by twin-screw extrusion into filaments and processed via three-dimensional (3D) printing. The printed filters with consistent pore geometry and channel interconnectivity as well as homogenous distribution of HAp in the PLA matrix showed adsorption capabilities towards heavy metals i.e. cadmium (Cd) and lead (Pb) with maximum adsorption capacity of 112.1 mg gHAp−1 and 360.5 mg gHAp−1 for the metal salt of Pb and Cd, respectively. The adsorption was found to be driven by a combination of ion exchange, dissolution and precipitation on HAp and surface complexation.
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Date 2022-04-11T05:50:53Z
2022-04-11T05:50:53Z
2021-10-01
 
Type Research Paper
 
Identifier Natalia Fijoł, Abdelhamid, H. N., Binsi, P.K., Hall, S. A., Nebu Thomas, and Aji P. Mathew (2021) 3D-printed monolithic biofilters based on a polylactic acid (PLA) – hydroxyapatite (HAp) composite for heavy metal removal from an aqueous medium. RSC Adv. 11: 32408-32418.
2046-2069
http://krishi.icar.gov.in/jspui/handle/123456789/71367
 
Language English
 
Relation Not Available;
 
Publisher Royal Society of Chemistry