A green composite comprised of guar gum (GG)/chitosan (CH) cross-linked with glutaraldehyde was prepared and then enforced with different weight ratios (1, 2, and 3%) of talc powder (TP) as inorganic support. This group of green sorbent materials was introduced to remove methylene blue and toxic heavy metal cation (Hg+2) from aqueous solutions. The chemical modification was proved by the IR spectr...