A Review of Wastewater Treatment Using Biodegradable Polymers for Dyes Removal

Water pollution from dyes has grown to be a significant environmental problem worldwide. As a result, the presence of dye in water sources is causing environmentalists and locals to worry more and more. To remove colors and other impurities from water, a variety of procedures can be used, including flocculation-coagulation, biological treatment, and adsorption. In wastewater treatment, adsorption has traditionally been the most used technique. Dyes have been discovered to be particularly successful in being removed by them. Activated carbon is the most widely used in industry as an adsorbent, even though its preparation is expensive, and regeneration is time-consuming. Due to their low cost and versatility in preparation, even from agricultural waste, biomaterials are growing in popularity. For reducing the overuse of activated carbon and creating effective and environmentally friendly bio-adsorbents, the use of biodegradable polymers, particularly the removal of dyes, is essential in the water treatment industry. This study looks at a few concerns, including water pollution, the dangers of dyes to human health, adsorption factors, and the use of biodegradable polymers as adsorbents. New functionalization of biodegradable polymers is being employed to meet these requirements to increase performance while overcoming obstacles.