id	keyword
brj-22042	cmc
brj-22042	pei
brj-22042	hydrogel
brj-22042	adsorption
brj-22042	pei hydrogel
brj-22042	doi
brj-22042	dye
brj-22042	et al
brj-22042	polyelectrolyte
brj-22042	removal
brj-22042	article
brj-22042	water
brj-22042	efficiency