The Hindu | By: Staff Reporter | October 31, 2017:
A group of biotechnologists from Vignan University have developed a model for conversion of domestic sewage water into biogas and bio-manure.
Led by scientist M.S Shivakiran, Department of Biotechnology, VU, two students Manikanta and Ravichandra, the model has employed a method called ‘Phytoremediation’ through which aquatic plants like water hyacinth could be used to produce biogas.
Mr. Shivakiran said, about four lakh litre of waste water was released from the university buildings into the open fields breeding waste weed and mosquitoes. The team decided to take up a project, “Cost effective method of wastewater treatment by phyto remediation with concurrent production of biogas and bio-manure.”
“This project is aimed at water conservation. Biogas can be produced from any plant. Aquatic plants like water hyacinth has a lot of biomass which is used to produce bio gas. We used a machine to chop water hyacinth and feed the mass into a biogas plant,” he said.
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