Tech Optimist Episode #64: Revolutionizing Carbon Capture

Mantel leverages molten salt-based materials to capture CO2 emissions from industrial sources like cement and steel plants

Alumni Ventures
2 min readOct 22, 2024

Tech Optimist, presented by Alumni Ventures, focuses on the intersection of technology, entrepreneurship, and innovation. We are passionate about technology and its potential to drive positive change. We explore our lane through with founders, investors, and futurists; discussions of new innovations; and reviews of trends in technology and venture capital. Subscribe Here »

In this episode, Alumni Ventures Managing Partner Chris Sklarin dives into the innovative world of carbon capture with Cameron Halliday, Co-Founder and CEO of Mantel.

They discusse Mantel’s groundbreaking technology that leverages molten salt-based materials to capture CO2 emissions from industrial sources like cement and steel plants. This conversation covers how Mantel is drastically reducing carbon capture costs and making this essential climate solution more scalable and energy-efficient.

Chris and Cameron also explore the company’s rapid progress, including a recent $30 million Series A, and how Mantel is preparing for commercial-scale deployment.

Listen in to discover how Mantel’s advancements are positioned to play a critical role in decarbonizing heavy industries.

Alumni Ventures offers accredited individuals access to professional-grade venture capital, a key asset class missing from the portfolios of many sophisticated investors. Since 2014, AV has raised $1.3+ billion from 10,000+ investors and backed 1,400+ unique portfolio companies. AV is a top 20 venture firm in North America according to CB Insights, as well as the #1 most active venture firm in the U.S., and #3 most active in the world, according to PitchBook’s 2022 and 2023 rankings. AV has won awards from Inc. Magazine, Fast Company, Benzinga, and the US FinTech Awards.

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