Cellulose Schiff Base as a Bio-based Polymer Ligand: Extraction, Modification and Metal Adsorption Study

Cellulose was initially extracted from Safflower (Carthamus tinctorius L.) stem wastes and used for the preparation of a fully bio-based adsorbent polymer Schiff base (Sch) using oxidation reaction of the extracted compound. A safe cross-linked cellulose dialdehyde (CC-DA) was subsequently synthesized through epichlorohydrin (ECH) and sodium metaperiodate followed by Sch formation with p-phenylenediamine (p-PDA). All of the reactions carried out...