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Green concrete set to flood the market soon
The cement industry is one of the primary producers of carbon dioxide, a highly polluting greenhouse gas. To combat this, the city-based CSIR-Structural Engineering Research Centre (CSIR-SERC) has created a technology to enable the commercialisation of geopolymer concrete, which eliminates the carbon dioxide emission and is produced with industrial waste, creating a sustainable model.
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Chennai
Senior scientist PS Ambily and her team have created a geopolymer concrete technology, built using industrial waste such as fly ash from thermal plants, rice husk from paddy and ground-granulated blast-furnace slag (GGBS). “There are different methods used for creating polymerisation – most of which involve either an energy treatment or high alkaline reaction generation technology.
But the one we have invented has polymerisation taking place at room-temperature and doesn’t require water during the curing process, as in conventional methods,” explained the scientist.
The technology requires less energy for production, has a low carbon footprint and high strength, and creates sustainability through the systematic use of industrial waste. “The technology has been demonstrated during pilot studies and has been used in the building of an annex structure in CLRI Kendra Vidyalaya School.
In fact, the cost-effective and eco-friendly material can be easily adapted to suit diverse needs by modifying design parameters. Geopolymer concrete can be used in construction, landscaping, container yards, footpath construction, for parking lots among others. This is a highly profitable business for Micro, Small & Medium Enterprises (MSMEs),” added Ambily.
While research on geopolymer concrete has been ongoing, the first attempt towards commercial production has been made on Sunday, when the technology was transferred to Kiran Global Geocements Limited, thanks to a tripartite agreement signed by CSIR-SERC, National Research Development Corporation (NRDC) and the private entity.
Speaking to DT Next, S Singaravelu, Managing Director of the city-based manufacturing cement unit, said that this “green” concrete technology can be mass produced at a faster rate than conventional concrete.
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