2023
DOI: 10.1016/j.jhazmat.2023.132017
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Novel efficient capture of hexavalent chromium by polyethyleneimine/amyloid fibrils/polyvinyl alcohol aerogel beads: Functional design, applicability, and mechanisms

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Cited by 12 publications
(7 citation statements)
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“…In regeneration of the adsorbent, a maximum of 62% recovery was achieved. About the same recovery percentage was reported by Zhang et al 19 when they used a PEI/amyloid fibrils/polyvinyl alcohol aerogel beads as the adsorbent. Geng et al 54 investigated the performance of a PEI–graphene oxide adsorbent for Cr( vi ) removal, but they did not investigate the regeneration of the adsorbent.…”
Section: Resultssupporting
confidence: 80%
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“…In regeneration of the adsorbent, a maximum of 62% recovery was achieved. About the same recovery percentage was reported by Zhang et al 19 when they used a PEI/amyloid fibrils/polyvinyl alcohol aerogel beads as the adsorbent. Geng et al 54 investigated the performance of a PEI–graphene oxide adsorbent for Cr( vi ) removal, but they did not investigate the regeneration of the adsorbent.…”
Section: Resultssupporting
confidence: 80%
“…Abundant amine functional groups on the adsorbent can form complexes with Cr( iii ) cations, which were reduced from Cr( vi ), due to the presence of electron donor functional groups like hydroxyl and amine. 19,53,54 It should also be noted that the k 2 value decreased from 0.0028 to 0.0006 (g mg −1 min −1 ) when the initial concentration increased, which shows that the adsorption process highly depends on the concentration. 66 To further identify the characteristics of the adsorption process, the effects of Cr( vi ) concentration and adsorption isotherms were investigated.…”
Section: Resultsmentioning
confidence: 92%
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