Webbiosorption capacity was 81.6 mg/g and efficiency 40.8% at 26°C, while A. niger followed the declining trend with maximum biosorption capacity and efficiency of Pb (II) 91mg/g and 45.5% respectively at 37°C. Temperature is known to affect the stability of the cell wall, its configuration and can also cause ionization of chemical moieties. WebDec 5, 2024 · A new adsorbent material was obtained by functionalization of chitosan with hexa-decyl-trimethyl-ammonium chloride and tested as an adsorbent for Cd(II) ions. Functionalization is due to the desire to improve the adsorbent properties of the biopolymer used for removal of metallic ions. Obtained material was characterized by FTIR (Fourier …
Diethylenetriamine-functionalized chitosan magnetic nano …
WebSep 6, 2024 · Chitosan is a second-most abundant biopolymer on earth after cellulose. Its unique properties have recently received particular attention from researchers to be used as a potential biosorbent for the removal of organic dyes. However, pure chitosan has some limitations that exhibit lower biosorption capacity, surface area and thermal stability … WebNov 1, 2014 · 1. Introduction. Europium (Eu) is a rare earth element that has been identified in various wastes including nuclear waste and due to its environmental toxicity Eu removal from wastewaters is becoming critical (Geleel et al., 2008, Chen et al., 2009).Eu is a lanthanide element with the oxidation state of +3 in aqueous solutions and can be … imt ballantyne apartments charlotte nc
Application of Biosorption for Rare Earth Recovery
WebSep 6, 2024 · Chitosan is a second-most abundant biopolymer on earth after cellulose. Its unique properties have recently received particular attention from researchers to be used … WebFinally, recent works of Dahiya et chitin and chitosan materials depends on the origin of the al. [77] on biosorption of lead and copper ions from aqueous polysaccharide the degree of N-acetylation, molecular weight solutions have shown important adsorption capacities of these and solution properties and varies with affinity for water ... WebOct 9, 2024 · The increasing demand of rare earth elements and platinum group metals requires alternative approaches for their recycling from waste. Decades of fundamental … imt ballantyne reviews