NDLI: Bisphosphonate nanocellulose in the removal of vanadium(V) from water

Content Provider	Springer Nature Link
Author	Sirviö, Juho Antti Hasa, Tapani Leiviskä, Tiina Liimatainen, Henrikki Hormi, Osmo
Copyright Year	2015
Abstract	Due to environmental concerns and decreasing global resources, removing aqueous heavy metals from industrial wastewaters is important for ecological sustainability. In this work, the removal of vanadium from a synthetic aqueous solution using bisphosphonate nanocelluloses was studied. Bisphoshonate nanocellulose was obtained from periodate oxidized and sodium alendronate aminated wood cellulose fibers using a mechanical disintegration method. Depending on the reaction condition, long flexible nanofibrillated celluloses or shorter rigid cellulose nanocrystals (CNCs) were obtained. The most efficient removal of vanadium was obtained at low solution pH (2 and 3), which is most likely due to the complexation of vanadium with bisphosphonate groups and the electrostatic interaction between cationic vanadium species and anionic acid groups. Based on the Langmuir isotherm, a maximum adsorption capacity of 1.98 mmol/g was attained with the CNCs that had 0.32 mmol/g of bisphosphonate content. The adsorption kinetic of vanadium was modeled and found to follow a pseudo-second-order model.
Starting Page	689
Ending Page	697
Page Count	9
File Format	PDF
ISSN	09690239
Journal	Cellulose
Volume Number	23
Issue Number	1
e-ISSN	1572882X
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-11-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanocellulose Periodate Bisphosphonate Metal removal Vanadium Bioorganic Chemistry Physical Chemistry Organic Chemistry Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Polymers and Plastics

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