Mantel

Liquid phase carbon capture material that operates at high temperatures for biomass waste processing

Greentown Boston AlumniFounded 2022Visit website

Manufacturing & ProcessingBiomassCarbon Capture

[ 01 ]About

Mantel is developing the most thermally efficient and lowest cost carbon capture technology – helping the world reduce atmospheric CO2 levels. Mantel's molten borates are the first liquid phase carbon capture materials that operate at high temperatures – a combination that solves the challenges holding back carbon capture.

[ 02 ]Leadership

Cameron Halliday
Co-founder & CEO
Danielle Rapson
Co-Founder and COO
Sean Robertson
Co-Founder and CTO

[ 03 ]In The News

#carboncapture #ccus #industrialdecarbonization #cleanenergy #carboncapturecanada

linkedin.com / Sep 17, 2026

Mantel Raises Strategic Investment from Constellation Technology Ventures and Azimut to Scale Commercial Carbon Capture Deployment

globenewswire.com / Aug 26, 2026

Boston startup uses ‘molten salt’ to capture carbon, gets $30M in VC

bizjournals.com / Aug 19, 2026

Mantel and Aalborg CSP Enter Strategic Supply Agreement to Advance Modular Salt Tank Systems for Carbon Capture Deployment

globenewswire.com / Jul 8, 2026

Mantel Launches Carbon Capture Technology to Reduce the World’s Atmospheric CO2 and Help Achieve Net-Zero

gasworld.com / Aug 24, 2022