Civil Engineering - Project Reports

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Waste water treatment using water hyacinth
(AIKTC, 2017-04) Magar, Rajendra; Ansari, Mohd. Husain (14DCES52); Ansari, Anas (14DCES54); Hashmi, Aquib (14DCES59); Bhatkar, Aquib (14DCES59)
Conventional treatment methods such as trickling filter, activated sludge process etc. are used in order to treat sewage. Thus energy, cost, manpower are consumed in a large amount. Just as non-conventional sources are now necessary over conventional sources for the mode of energy, eco-friendlier and energy saving ways to treat sewage is the need of time and should be put to use. The natural ways is extremely cost saving. Water hyacinth is a free-floating perennial aquatic plant native to tropical and sub-tropical South America. With broad, thick, glossy, ovate leaves, water hyacinth may rise above the surface of the water as much as 1 meter in height. The leaves are 10–20 cm across, and float above the water surface. They have long, spongy and bulbous stalks. The feathery, freely hanging roots are purple-black. An erect stalk supports a single spike of 8-15 conspicuously attractive flowers, mostly lavender to pink in color with six petals.