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Indian scientists develop eco-friendly material to replace natural sand in construction


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Indian scientists have developed a construction material to replace natural sand, and which is considered to be eco-fiendly and more functional.

https://www.indiatoday.in/science/story/indian-scientists-develop-material-to-replace-sand-in-construction-2520340-2024-03-28

Quote

 

Researchers at the Indian Institute of Science, Bengaluru have developed a unique material that could replace natural sand in construction.

Natural sand is already getting scarce, making it crucial to find new alternatives.

Researchers at IISc's Centre for Sustainable Technologies (CST) are looking at ways to store carbon dioxide from industrial flue gas in excavated soil and construction waste. This can then be used to partially replace natural sand.

"This would not only reduce the environmental impact of construction materials but also impart properties that can enhance their use for construction," IISc said in a statement.

Led by Souradeep Gupta, Assistant Professor at CST, the team has shown that replacing natural sand with carbon dioxide-treated construction waste in mortar and then curing it in a controlled, CO2-rich environment can speed up the development of the material’s engineering properties.

“CO2 utilisation and sequestration can be a scalable and feasible technology for manufacturing low-carbon prefabricated building products while being aligned with the nation’s decarbonisation targets,” explains Souradeep Gupta.

 

 

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Posted (edited)

Sand is scarce?  Seriously?  Remind me to invest in the Sahara Desert.  I'll open a "land mine".

Edited by Alchopwn
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Posted (edited)

In India illegal sand mining is the country's largest organized criminal activity. It is a major problem also around the world leading to heavily degraded ecology. It is important in manufacturing and construction work. 

https://en.wikipedia.org/wiki/Sand_mining

Edited by Ajay0
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