Kavaratti sets world's first low temperature thermal desalination plant!

Q.  Who installed the world’s first Low Temperature Thermal Desalination (LTTD) plant?
- Published on 01 Dec 16

a. India
b. USA
c. Japan
d. Australia

ANSWER: India
 
  • In 2005, India's National Institute of Ocean Technology (NIOT), Chennai, set up the world's first low temperature thermal desalination (LTTD) plant at Kavaratti in the largely coral Lakshadweep islands off the coast of Kerala state in the Arabian Sea.
  • The LTTD is a process under which the warm surface sea water is flash evaporated at low pressure and the vapour is condensed with cold deep sea water.
  • The LTTD technology does not require any chemical pre and post-treatment of seawater and thus the pollution problems are minimal and suitable for island territories.
  • Since no effluent treatment is required, it gives less operational maintenance problems compared to other desalination processes.
  • The LTTD technology is completely indigenous, robust and environment friendly. Using this indigenous technology plants have been built on Agatti and Minicoy islands too. One experimental LTTD plant using condenser waste heat from power plant was set up at North Chennai Thermal Power Station (NCTPS)

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