Accessible Unlicensed Requires Authentication Published by De Gruyter November 30, 2021

Polypropylene Glycol Modified Chitosan Composite as a Novel Adsorbent to Remove Cu(II) From Wastewater

Mit Polypropylenglykol modifizierter Chitosan-Verbundstoff als neuartiges Adsorptionsmittel zur Entfernung von Cu(II) aus Abwässern
Zheng Ji, Yansong Zhang, Huchuan Wang and Chuanrun Li

Abstract

Pollution by heavy metals has become a problem that needs to be solved urgently. Therefore, the development of new efficient adsorbents to treat this pollution is of great importance. Due to their excellent adsorption properties and good biodegradability, natural polymeric materials are potential problem solvers. This study reports on the production and application of polypropylene glycol modified chitosan composites (PMC). The PMC composite material has many functional groups (–OH and –NH2). Its maximum adsorption capacity for Cu(II) is 661.8 mg g–1. The corresponding adsorption studies, including the effects of pH, contact time and amount of adsorbent, showed that the PMC composite has potential application value.

Zusammenfassung

Die Verschmutzung durch Schwermetalle ist zu einem Problem geworden, das dringend gelöst werden muss. Die Entwicklung neuer effizienter Adsorptionsmittel zur Behandlung dieser Verschmutzung ist daher von großer Bedeutung. Aufgrund ihrer hervorragenden Adsorptionseigenschaften und ihrer guten biologischen Abbaubarkeit sind natürliche polymere Materialien mögliche Problemlöser. Diese Studie berichtet über die Herstellung und Anwendung von mit Polypropylenglykol modifizierten Chitosan-Verbundstoffen (PMC). Das PMC-Kompositmaterial verfügt über viele funktionelle Gruppen (–OH und –NH2). Seine maximale Adsorptionskapazität für Cu(II) liegt bei 661,8 mg g–1. Die entsprechenden Adsorptionsstudien, einschließlich der Auswirkungen des pH-Werts, der Kontaktzeit und der Menge des Adsorptionsmittels, zeigten, dass das PMC-Komposit ein großes Potential für die Anwendung besitzt.


Mr. Prof. Dr. Huchuan Wang School of Pharmacy Anhui University of Chinese Medicine Hefei Anhui 230012 P. R. China Tel.: +86 18356532101
Mr. Prof. Dr. Chuanrun Li School of Pharmacy Anhui University of Chinese Medicine Hefei Anhui 230012 P. R. China Tel.: +86 13505603930

Funding statement: This work is supported by the National Key Research and Development Program of China, No. 2019YFC1711300; Natural Science Foundation of Anhui Province, No. 1808085QH289; Key Project of Natural Science Research of Anhui Universities, No. KJ2020A0432.

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Received: 2021-07-15
Accepted: 2021-08-10
Published Online: 2021-11-30

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