interesting article, page-10

http://pib.nic.in/newsite/PrintRelease.aspx?relid=177781
This information was given by the Minister of Railways and Coal Shri Piyush Goyal in a written reply to a question in  Lok  Sabha today.

Renovation and Modernization (R&M) and Life Extension (LE) of existing old power stations is being undertaken in a phased manner. About 144 old thermal stations have been assigned mandatory targets for improving energy efficiency. Coal beneficiation has been made mandatory. Introduction of ultra-supercritical technology, as and when commercially available is part of future policy. Besides, stringent emission standards being contemplated for thermal plants would significantly reduce emissions

Reminder:
http://www.ectltd.com.au/coldry/coldry-overview/
Coldry:

• 10-30% Coldry:Lignite mix can be used in existing lignite-fired plants for emissions reduction of 5%-15%, without modification to the plant
• 100% Coldry possible in significantly upgraded lignite-fired power stations
• New state-of-the-art black coal power stations can replace old, inefficient lignite-fired power stations, reducing emission by up to 40%

http://www.ectltd.com.au/grassroots-push-for-hele-technology/
Our Coldry technology is the ‘gateway’ enabler for HELE.
What does this mean? Let’s back up for a moment and take a quick look at current brown coal power generation to understand and appreciate how Coldry fits in.
Current brown coal-fired power stations operate at lower temperatures and require larger boilers than black coal-fired power stations due to the high moisture content of brown coal. This means a brown coal-fired power station costs more to build than a black coal facility for a given generation capacity.
So, why build a brown coal power station? The cost-benefit is in the relatively lower cost of the brown coal, which brings down the average cost per megawatt hour (MWh) compared to black coal. Cheap, abundant brown coal has been a competitive advantage for Victoria for decades. It’s no surprise that large, energy-intensive industries tend to locate facilities (and jobs) in markets with affordable energy.
Broadly, HELE technology simply means higher operating temperatures and pressures, resulting in a more efficient use of the fuel and lower emissions per MWh.
But HELE plants can’t use brown coal in its raw form. Brown coal is too wet. It burns at a lower temperature than black coal. It needs to be dried first.
This may sound easy, but industry and government have spent a lot of money on research and development over several decades to overcome the mositure problem, without much commercial success.
You see, while drying is easy, doing so in a cost-effective and energy-efficient manner has remained elusive (until Coldry).
Most approaches have used high temperatures or high pressures, or both, resulting in more energy being used than the net uplift in calorific value.
The Coldry process uses a combination of ‘brown coal densification’ and waste heat utilisation to deliver a low pressure, low temperature solution.
Further, the Coldry process can be tighlty integrated with a HELE power station, replacing cooling towers and the need to draw water from local river systems.

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