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Chitosan‐Poly(acrylic acid): Mechanism of Complex Formation and Potential Industrial Applications
Author(s) -
Chavasit Visith,
Torres J. Antonio
Publication year - 1990
Publication title -
biotechnology progress
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.572
H-Index - 129
eISSN - 1520-6033
pISSN - 8756-7938
DOI - 10.1021/bp00001a001
Subject(s) - chitosan , ionic strength , coagulation , polymer , chemistry , ionic bonding , acrylic acid , chemical engineering , colloid , complex formation , polyelectrolyte , process (computing) , polymer chemistry , organic chemistry , ion , inorganic chemistry , aqueous solution , computer science , copolymer , psychology , psychiatry , engineering , operating system
The food industry is interested in polyelectrolytic coagulants of natural origin for the clarification of food beverages and the recovery of colloidal and dispersed particles from processing waste streams. This paper discusses potential industrial applications of recent findings on polymer complex formation obtained with a chitosanpoly(acrylic acid) model system. Process recommendations could be made on the basis of the ionic strength, pH, and charged group concentration of the fluid to be treated. Ionic strength does not affect the complex formation process. The amount of chitosan in the complex formed is controlled by the solution pH. The mechanism of complex formation indicates that pH measurements could be used to monitor the coagulation process.

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