Japan: Mitsubishi UBE Cement (MUC) has developed a carbon-negative artificial sand product called ‘GX-e Beads.’ It is made from by-products containing calcium and uses a proprietary accelerated ...

Mitsubishi UBE Cement Corporation has developed a carbon negative artificial sand "GX-e BeadsTM " that can fix CO2 at 80 to 250 kg/t (dry base).

So, what are the options? The two most common are sand and gravel, and both have their fans and foes. Fine, granular sand is ...