Sustainable lime production

Unlocking lime’s environmental potential

Introduction

Net-zero’s building blocks

There are two materials at the heart of CarbonBlue’s technology: water and lime. In our Direct Water Removal operations, lime helps us strip water of dissolved CO2, mineralizing it into limestone (CaCO3) pellets, which are easily separated from the water. We can then return the decarbonized water back to the environment, where it can absorb more CO2 from the atmosphere. But lime’s environmental potential doesn’t stop there.

A natural CO2 remover

Lime is one of the most produced materials in the world, and is widely used in some of the biggest global industries. Just as it does in water, lime captures CO2 from the environment in many of its other industrial applications. It soaks up the CO2 it comes into contact with, and reduces its levels in the atmosphere over time.
But lime is not considered a carbon-removing material, because of its production method.

Carbon-Negative Lime

Traditional lime production methods emit more CO2 than the produced lime can capture, and consume immense amounts of energy and heat, most of which come from fossil fuels.

CarbonBlue’s proprietary technology is able to produce lime at low temperatures, using renewable energy and with zero emissions, fully unlocking lime’s potential for environmental rehabilitation, and providing a green, sustainable source for one of the most highly utilized materials in the world.

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