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Adsorptive features of polyacrylamide–aluminosilicate composites for methylene blue

Polyacrylamide–montmorillonite (PAAm-Mt) and polyacrylamide–clinoptilolite (PAAm-Z) composites were prepared by cross-linked polymerization of acrylamide in dispersions of Mt and Z. The composites were characterized by FT-IR, SEM, XRD, CEC, and PZC analysis. The adsorptive features of PAAm-Mt and PAAm-Z for methylene blue (MB) were investigated by their relevance to initial dye concentration, temperature, contact time, PZC, and pH. |