skip to main content
Language:
Search Limited to: Search Limited to: Resource type Show Results with: Show Results with: Search type Index

Cationization of Eucalyptus wood waste pulps with diverse lignin contents for potential application in colored wastewater treatment

RSC advances, 2019-10, Vol.9 (60), p.34814-34826 [Peer Reviewed Journal]

This journal is © The Royal Society of Chemistry. ;Copyright Royal Society of Chemistry 2019 ;This journal is © The Royal Society of Chemistry 2019 The Royal Society of Chemistry ;ISSN: 2046-2069 ;EISSN: 2046-2069 ;DOI: 10.1039/c9ra05757a ;PMID: 35530674

Full text available

Citations Cited by
  • Title:
    Cationization of Eucalyptus wood waste pulps with diverse lignin contents for potential application in colored wastewater treatment
  • Author: Grenda, Kinga ; Gamelas, José A F ; Arnold, Julien ; Cayre, Olivier J ; Rasteiro, Maria G
  • Subjects: Bentonite ; Biodegradability ; Cations ; Cellulose ; Chemistry ; Decoloring ; Eucalyptus ; Flocculation ; Lignin ; Lignocellulose ; Organic chemistry ; Polyacrylamide ; Polyelectrolytes ; Reagents ; Substitution reactions ; Toxicity ; Wastewater treatment
  • Is Part Of: RSC advances, 2019-10, Vol.9 (60), p.34814-34826
  • Description: Modification of cellulosic-rich materials such as wood waste and production of cellulose-based polyelectrolytes (PELs) presents several advantages for a variety of applications, when compared to the utilization of synthetic PELs, due to the nature, availability, high biodegradability and low or no toxicity of cellulosic materials. Moreover, valorization of the cellulosic waste itself to provide end products with higher added value is also an important aspect. In the present work, the objective was to evaluate the possibility of cationizing more complex and heterogeneous chemical pulps, obtained from wood waste, with different cellulose purity and a relatively high lignin content (up to 4.5%). A two-step reaction (with sodium periodate and Girard's reagent T) was employed and a range of cellulose-based cationic polyelectrolytes were produced with different degrees of substitution. The final products were characterized by several analytical techniques and the bio-PELs with the highest and the lowest substitution degree by cationic groups were evaluated in a new application, as flocculants in the decoloration of model effluents, bentonite having been used as an inorganic aid. Also, possible mechanisms of flocculation were discussed and the results compared with those of a synthetic flocculant, often used in these treatments, cationic polyacrylamide. Lignocellulosic-PELs proved to be very favorable eco-friendly flocculation agents for the decoloration of dye-containing waters with potential application in several industries.
  • Publisher: England: Royal Society of Chemistry
  • Language: English
  • Identifier: ISSN: 2046-2069
    EISSN: 2046-2069
    DOI: 10.1039/c9ra05757a
    PMID: 35530674
  • Source: PubMed Central
    DOAJ Directory of Open Access Journals
Back to results list
INSPIRE LIBRARY - TON DUC THANG UNIVERSITY (84-028) 37 755 057 Feedback
19 Nguyen Huu Tho St. Dist.7, HCM thuvien@tdtu.edu.vn

Copyright © 2017 INSPIRE LIBRARY - TON DUC THANG UNIVERSITY

Searching Remote Databases, Please Wait