Sodium alginate
Organoclay
Adsorption
Calcium alginate
Effluent
Bentonite
Hexavalent chromium
Self-healing hydrogels
Wastewater
Chemical engineering
Chromium
Pulp and paper industry
Aqueous solution
Materials science
Polymer
Chemistry
Composite material
Environmental engineering
Sodium
Environmental science
Organic chemistry
Metallurgy
Polymer chemistry
Calcium
Engineering
