Indian researchers develop low-carbon brick from construction waste

These bricks can solve the disposal problems associated with the construction

The Indian Institute of Science (IISc) developed a new energy-efficient Low carbon brick. The scientists developed this brick from construction and demolition waste using alkali-activated binders.
 
These bricks can solve the disposal problems associated with the construction. A senior officer of the department of science and technology said that it would also save energy by low-temperature firing. It can further avoid the use of high-energy material, mainly Portland cement.
 
Presently, while construction, a building is made by masonry walls which are built with burnt clay bricks, hollow clay blocks, concrete blocks, fly ash bricks, and lightweight blocks. Majority of these products involve spending a large amount of energy during their production along with emissions of carbon.
 
The masonry units are manufactured by the  process of firing or by using high-energy carbon binders which are mainly the Portland cement. Due to this, the annual consumption of bricks and blocks in India is about 900 million tonnes.
 
The Scientists from IISc concentrated on the construction industry waste, which are to the tune of 100 million tonnes per annum. They targeted to use these hundred million tonnes of construction waste and so the team of researchers developed low embodied carbon bricks from CDW waste through an alkali activation process. They were found to be perfect after examining their engineering characteristics.
 
Professor B V Venkatarama Reddy from IISc said  “A start-up has been registered, which will be functional within 6-9 months to manufacture low-C bricks and blocks with IISc technical help. The start-up unit will act as a technology dissemination unit through training, capacity building, and providing technical know-how for establishing such commercial units across India."The Indian Institute of Science (IISc) developed a new energy-efficient Low carbon brick. The scientists developed this brick from construction and demolition waste using alkali-activated binders.
 
These bricks can solve the disposal problems associated with the construction. A senior officer of the department of science and technology said that it would also save energy by low-temperature firing. It can further avoid the use of high-energy material, mainly Portland cement.
 
Presently, while construction, a building is made by masonry walls which are built with burnt clay bricks, hollow clay blocks, concrete blocks, fly ash bricks, and lightweight blocks. Majority of these products involve spending a large amount of energy during their production along with emissions of carbon.
 
The masonry units are manufactured by the  process of firing or by using high-energy carbon binders which are mainly the Portland cement. Due to this, the annual consumption of bricks and blocks in India is about 900 million tonnes.
 
The Scientists from IISc concentrated on the construction industry waste, which are to the tune of 100 million tonnes per annum. They targeted to use these hundred million tonnes of construction waste and so the team of researchers developed low embodied carbon bricks from CDW waste through an alkali activation process. They were found to be perfect after examining their engineering characteristics.
 
Professor B V Venkatarama Reddy from IISc said  “A start-up has been registered, which will be functional within 6-9 months to manufacture low-C bricks and blocks with IISc technical help. The start-up unit will act as a technology dissemination unit through training, capacity building, and providing technical know-how for establishing such commercial units across India."

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