The use of wood pulp and radiation-modified starch in wastewater treatment

Radiation‐induced graft copolymerization of maize starch/acrylic acid has been performed. Also, natural byproduct wood pulp was used after chemical treatment for the removal of metal ions from the investigated wastewater. The surface and structure morphology of the wood pulp and starch/acrylic acid...

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Bibliographic Details
Published in:Journal of applied polymer science 2006-03, Vol.99 (5), p.2460-2469
Main Authors: Abdel-Aal, S. E., Gad, Y. H., Dessouki, A. M.
Format: Article
Language:English
Subjects:
acrylic acid
Applied sciences
Exact sciences and technology
grafting
Grafting and modifications
metals
Paper, paperboard, non wovens
Physicochemistry of polymers
Polymer industry, paints, wood
Polymers and radiations
Properties and testing
radiation
starch
wastewater treatment
wood pulp
Wood. Paper. Non wovens
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Summary:Radiation‐induced graft copolymerization of maize starch/acrylic acid has been performed. Also, natural byproduct wood pulp was used after chemical treatment for the removal of metal ions from the investigated wastewater. The surface and structure morphology of the wood pulp and starch/acrylic acid were investigated by scanning electron microscopy and infrared spectroscopy. The physical parameters, such as swelling, gel percentage, and grafting efficiency (%) of starch/acrylic acid copolymer, were studied. The factors affecting the abilities of the prepared materials for removing heavy metal ions and dyes from aqueous solutions were studied. It was found that the maximum metal uptake is in the following sequence: Fe3+ > Cr3+ > Pb2+ > Cd2+. The adsorption capacity of such investigated metal ions increases with the increase of pH values. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci, 2006
ISSN:0021-8995
1097-4628
DOI:10.1002/app.22801