Methane recovery from waste water generated from wheat straw wash at Paper manufacturing unit of Shreyans Industries Limited (SIL)
The project is located at the paper manufacturing unit of SIL at Ahmedgarh in Sangrur district in Punjab. It consists in the installation of a high rate upflow anaerobic sludge blanket (UASB) digester which captures methane and burns it for generating steam in boilers.
SIL’s paper manufacturing unit at Ahmedgarh has an annual installed capacity of 33,000 Metric Tonnes of paper per annum. Paper manufacturing, being a water intensive process, produces large quantity of waste water with high percentage of chemical oxygen demand.
Project’s Contribution to Sustainable Development: ● The project construction and commissioning of a UASB digester and associated units gave employment opportunities during construction in vicinity of plant. ● The existing open lagoon emanates large quantity of methane into the atmosphere which is a potent GHG. Introduction of UASB digester in project activity captures methane, thereby mitigating emissions of GHG. ● The stench which emanates from open lagoon due to anaerobic decomposition of carbonaceous material got reduced after UASB digesters were commissioned.
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Bank transfer payment for this project is possible from USD 0.01