Low Cost Natural Coagulant For Water Treatment

Low Cost Natural Coagulant For Water Treatment
Author(s):
Prof.Rajani.Saranadagoudar, Aishwarya B Policepatil, Nandini, Nandita, Aishwarya Sugur, Dr.B.B.kori
Keywords:
surface water treatment, coagulant, Chitosan
Abstract
Inorganic aluminium or iron salts have been used for many decades to coagulate colloidal particles in surface water prior to flocculation, sedimentation and/or filtration. Although effective, inorganic coagulants have several disadvantages including large chemical dosages required for treating eutrophic waters, large volumes of chemical sludge produced, and toxic effects of metallic coagulants on the aquatic environment. Chitosan is a natural cellulose-like copolymer of glucosamine and N-acetyl-glucosamine. Because of their biodegradability chitosan-based materials have been suggested as a more eco-friendly coagulant for water and wastewater treatment. Chitosan was an effective coagulant in several prior laboratory studies. Practical application of chitosan as a drinking water treatment coagulant is evaluated here through a series of jar tests. The Percentage removal of water treatment by using aluminium sulphate, ferric sulphate is and chitosan. From chitosan the maximum removal of results were obtained i,e turbidity removal is 86.87% pH is 7.7 and TTS is 76.37%.
Article Details
Unique Paper ID: 152532 Publication Volume & Issue: Volume 8, Issue 3 Page(s): 639 - 642
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