FG-based desalination plant inaugurated at NTPC Ltd Simhadri

Director (Technical), NTPC, AK Jha inaugurated the FG-based Desalination Plant on the  premises of Simhadri Super Thermal Power Plant here on Saturday.

Published: 12th February 2017 03:06 AM  |   Last Updated: 12th February 2017 04:14 AM   |  A+A-

Director (Technical) NTPC AK Jha inaugurating FG Based Desalination Plant in Visakhapatnam on Saturday | Express

By Express News Service

VISAKHAPATNAM : Director (Technical), NTPC, AK Jha inaugurated the FG-based Desalination Plant on the  premises of Simhadri Super Thermal Power Plant here on Saturday. The NTPC has established the plant at a cost of `8.5 crore which is a joint venture with NTPC Energy Technology Research Alliance (NETRA). Regional Executive Director (South) VB Fadnavis, ED (NETRA) Srivastava, Group General Manager of the SSTPP PK Bondriya graced on the occasion.


Flue gas-based Sea Water Desalination (FG SW Desal) pilot plant is an innovative, low carbon intensive desalination system.

This plant is first of its kind in India. In this facility, the waste heat from existing flue gas in a fossil fired power plant is utilised for distillation of sea water instead of steam or electricity as used in conventional desalination system.  


The FG-based desalination plant uses the waste heat from flue gases which is sent to chimney to rise the temperature of DM water. The DM water is flashed in the flash chamber at low pressure (0.34 bar). The vapour generated in the flash chamber is fed to the MED (Multi Effect Distillator) in which the sea water is sprayed on to the tubes.


Sea water evaporates due to the high skin temperature of tubes carrying steam and converts itself to steam which is again fed into the next stage of MED for evaporation of sea water. There are six effects in total.



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