At the 4 MLD Sewage Treatment Plant of the Indian Institute of Technology Madras, Theway Membranes have installed their STREAM UF Membranes, after the SBR Clarifier. From Installation in 2020, with continuous operation, we can observe and appreciate the terrific performance of these modules in the removal of total suspended solids, turbidity, bacteria, viruses, and colloids in the wastewater of IIT Madras.
The challenge at IIT Madras, included tough to handle feed water and complicated plant service time needs, to deal with the crests and troughs of water usage in a large campus with thousands of students, scholars, professors, and staff. There were some tricky pollutants from lab effluents too to handle. With Theway’s three-decade experience and with a talented team of plant operators and managers from IIT, we have been helping IIT keep the water flowing.
The UF discharge is quite pure, even drinkable in periods where the COD, BOD values are within limits. This UF discharge feeds IIT’s lake which helps in the continuous recharge of the water table, which does get impacted from IIT’s extensive needs of groundwater, to support a growing student population. This lake also sustains the rare wildlife inside the IIT campus including the rare Blackbuck and the Spotted Deer Cheetal. Proper discharge of this wastewater also helps in maintaining a clean and green campus. The reject water is also used for gardening purposes acting as a natural fertilizer.
With a robust operating cycle, with properly selected filtration, backwash, flush and air scouring times, with periodic adjustments of the same, the STREAM modules are in good health and performing like-new consistently. These periodic adjustments were possible with the help of Theway’s MEPSOR (Membrane Projection Software Report) an online projection tool available to limited and regular users of Theway Membranes to help empirically design and set plant operation parameters.
By choosing Made in India, Theway Membranes, over many makes from Europe/Japan/USA, IIT’s choice is a great example of the Atmanirbhar Movement. For the good performance of these modules, IIT has also provided us with a performance certificate, which serves as motivation for Theway Membranes to reach further heights.
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