IIT Madras

IIT Hyderabad

IIT Bombay

IIT Indore

IIT Gandhinagar

IIT Guwahati

IIT Ropar

Kotak - IIT Madras Save Energy Mission (KISEM)

Indian Institute of Technology Madras

EAR/22-23/KISEM-04

The subject plant is located in district of and falls under NIC Category-37003. This assessment was carried out by the IEAC Center, IIT Gandhinagar, during the course of the year 2022.

General Info

Principal Product

Common Effluent Treatment

Plant Area (Sq.ft)

20,000

No. of Employees

250

Production Hours

8,400

Annual Production

Annual Sales

₹5,00,00,000

Assessment Summary

Total Energy Costs(per year)

₹2,61,27,248

Total Recommended Investment(one time)

₹3,24,601

Total Recommended Savings(per year)

₹23,73,041

Energy Costs Calculation
Electricity

Annual Usage

33,94,218

Unit

kWh

Unit Cost

₹6.5

Annual Cost

₹2,11,21,516

Wind Power

Annual Usage

6,67,088

Unit

kWh

Unit Cost

₹7.5

Annual Cost

₹50,05,732

Total Energy Costs(per year)

₹2,61,27,248

Observations & Recommendations
MT - Motors
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Dissolved Oxygen (DO) level in aeration unit is greater than the standard decided by GPCBDO sensor based system required for monitoring of DO in the aeration tank: 1) ON & OFF of Blowers & 2) VFD based system-ACT 1 & ACT-2 Blowers. (Switching OFF of one blower from ACT-1 & ACT-2 for 12 hrs/day).3,65,083.2₹23,73,040.8₹2,00,0001
Motors are running under loadMonitor that motors if during load time they are running at less load replace the motor with smaller one.0₹0₹00
Leakage from blower bellowReplace rubber bellow with metallic bellow0₹0₹500000
Continuous air leakage from 1/2" line just near the blower outlet lineDue to trip issue of blower, they are continuously loosing the air for that use pressure relief valve or pressure pre-set so that this issue can be avoided0₹0₹00
CPF - Capacitor & Power Factor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Some Capacitor of APFC Transformer 1 is deratedNeed to check the rated voltage at capacitor name plate and try to fix the voltage issue and if kVAR actual is less than rated then need to change derated capacitor to improve PF for and decrease the load currentLoad current will reduce₹0₹23,4730
Some Capacitor of APFC Transformer 2 is deratedNeed to check the rated voltage at capacitor name plate and try to fix the voltage issue and if kVAR actual is less than rated then need to change derated capacitor to improve PF for and decrease the load current0₹0₹51,1280