The National Institute of Ocean Technology (NIOT) is working to reduce emissions in its Low Temperature Thermal Desalination technology as part of its ongoing water provision project in Lakshadweep.
![](https://www.researchgate.net/publication/324064238/figure/fig1/AS:960045026115605@1605903979248/Schematic-diagram-of-low-temperature-thermal-desalination-plant.gif)
What exactly is LTTD Technology?
- LTTD Technology is a desalination process that uses low-grade thermal energy to evaporate seawater and produce fresh water.
- The technology is intended to be efficient and cost-effective, and it has been successfully used to provide potable water in a variety of locations around the world.
How does LTTD Technology function?
- LTTD Technology works by heating a chamber containing seawater with a low-grade thermal source, such as warm seawater.
- When seawater is heated, it evaporates, releasing fresh water vapour.
- The vapour is then condensed and collected, leaving concentrated seawater behind that can be discharged back into the sea.
- The produced fresh water can be used for a variety of purposes, including drinking water, irrigation, and industrial applications.
Advantages of this technology
- One of the primary advantages of LTTD Technology is that it makes use of low-grade thermal energy, which is readily available in many areas, particularly coastal areas.
- This makes it a cost-effective and environmentally friendly method of producing fresh water.
- Furthermore, LTTD Technology is modular and can be easily scaled up or down based on water demand.
- It also has a lower environmental impact than other desalination technologies.
LTTD Technology Challenges
- One of the most difficult aspects of LTTD Technology is that it requires a constant supply of low-grade thermal energy, which is affected by weather and seasonal changes.
- Furthermore, because the technology is still relatively new, it may require additional research and development to optimise its efficiency and performance.
How is NIOT working to eliminate emissions from LTTD Technology?
- NIOT is working to make LTTD Technology emission-free by powering the desalination process with renewable energy sources such as solar energy.
- The goal is to reduce the technology’s carbon footprint and make it more sustainable and environmentally friendly.
Source: https://www.thehindu.com/sci-tech/energy-and-environment/national-institute-of-ocean-technology-to-set-up-green-self-powered-desalination-plant-in-lakshadweep/article66627730.ece