ABSTRACT
Some of the marine polymers that find versatile application in the field of membrane technology are chitin, chitosan, alginate, and carrageenan. The water-soluble sodium alginate membrane was mechanically weak, but it showed promising performance for the pervaporation dehydration. In a study reported by Cahyaningrum et al., the viability of using ultrafiltration membranes was investigated, which was made by blending 85% deacetylated chitosan and sodium alginate biopolymers, with glutaraldehyde as the crosslinking agent for separation of uric acid. Chitosan-sodium alginate samples showed better cell adhesion and proliferation than pure chitosan. The antifouling performance of the membrane was investigated, and it was found that the hydrogel filtration membrane showed limited adsorption and adhesion for bovine serum albumin (BSA) and yeast, and the rejection of BSA and yeast reached 98.53% and 99.64%, respectively. The changes in rheological and mechanical properties for some ionotropic crosslinked metal-alginate hydrogel complexes, in particular, copper-alginate membranes, have been investigated by Hassan et al.
