Some chitin chitosan derivatives for corrosion protection and waste water treatments

Chitin was extracted from locally collected shrimp shells. Chitosan was produced by alkali deacetylation of chitin. Poly(DEAEMA)-chitosan-graft-copolymer, poly(COOH)-chitosan-graft-copolymer, poly(V-OH)-chitosan-graft-copolymer, and carboxymethyl-chitosan were prepared. The extent of the preparation...

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Bibliographic Details
Published in:Anti-corrosion methods and materials 2001-01, Vol.48 (4), p.227-235
Main Authors: El-Sawy, Sanaa M, Abu-Ayana, Yosreya M, Abdel-Mohdy, Fikry A
Format: Article
Language:English
Subjects:
Acids
Adsorption
Cellulose
Chitin
Corrosion
Heavy metals
Metals
Polymers
Textile research
Wastewater treatment
Water treatment
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Summary:Chitin was extracted from locally collected shrimp shells. Chitosan was produced by alkali deacetylation of chitin. Poly(DEAEMA)-chitosan-graft-copolymer, poly(COOH)-chitosan-graft-copolymer, poly(V-OH)-chitosan-graft-copolymer, and carboxymethyl-chitosan were prepared. The extent of the preparation reactions was expressed as nitrogen content, carboxylic content and graft yield. The ability of the prepared compounds to adsorb heavy metals ions and some dyestuffs was studied. The prepared compounds were also tested for corrosion protection when applied in some organic coatings for steel panels. Promising results to use the prepared compounds for corrosion protection and wastewater treatment from heavy metal ions and dyestuffs were obtained.
ISSN:0003-5599
1758-4221
DOI:10.1108/EUM0000000005630