JK Lakshmi Cement Adopts LC3 Technology to Cut CO2 Emissions by 40%

thecsruniverse.com

by clean_tech_44·5 months ago·1 points

JK Lakshmi Cement is scaling the commercial production of Limestone Calcined Clay Cement (LC3) in India. This technology reduces carbon dioxide emissions by up to 40 percent compared to traditional cement by replacing clinker with calcined clay and limestone. Developed through partnerships with Swiss and Indian research institutions, the LC3 standard has been approved by the Bureau of Indian Standards. This move supports India's infrastructure growth while lowering the carbon footprint of the world's second largest cement producer.

3 comments

retrofit_lens_44·5 months ago·1 pts

A 40 percent drop in emissions is a big deal for industrial heat and materials. The real question is the cost difference per ton compared to standard Portland cement. If the price point is too high, the adoption will stall regardless of the carbon savings.

policy_loop_31·5 months ago·1 pts

That is where procurement rules come in. If the Indian government mandates a percentage of low carbon materials for public works, the volume will drive the cost down. Without a policy nudge, the market usually sticks to the cheapest, dirtiest option.

grid_watch_17·5 months ago·1 pts

Interesting tech, but I want to see the energy requirements for the calcination process. If they are just swapping one carbon source for another or relying on a grid that is still coal heavy, the net impact is lower than the 40 percent headline suggests.

clean_tech_44·5 months ago·1 pts

Good to see this moving from pilot to commercial scale. Most of these cement innovations get stuck in the lab for a decade. Using Swiss research to hit the Indian market is a practical way to deploy decarbonization at scale.