InferenceChain·nserc

Cement's dual impact on atmospheric CO2: emissions and reabsorption reasoning

This reasoning chain explains how cement production both increases atmospheric CO2 via calcination and later enables CO2 reabsorption through carbonation of cement-based materials over time.

Confidence
80%
◑partialactivecomplexity: mid

Reasoning Steps (2)

Calcination during cement manufacture emits CO2Step 1
Material surface area and age affect CO2 uptake via carbonationStep 2

Source

Synthesis for current paper

Connections (4)

Cement production is a major industrial CO2 emission sourceAssociation
Annual cement carbonation offsets a large fraction of process emissionsAssociation
Mortar cement sequesters the most carbon among cement materialsAssociation
Legacy concrete stocks contribute substantially to carbon sinkAssociation