RE: Pozzolan demand10 Sep 2020 22:13
As for market valuations, I can't say for the US market as I don't know it that well. But the most important aspect of this is any pozzolan material whether it be PFA, GGBS or natural pozzolan is it must be cheaper then grey cement.
Grey cement is roughly over £100 per tonne based on tanker load. PFA has been £30/T. GGBS around £60-£70. Natural you are probably talking £50/T.
About 9 million tonnes of cement was produced last year and around 3.6 millions tonnes of cementious pozzolan material in the UK. That figure is increasing YoY. You can look at the UK Building material stats via this link. https://www.gov.uk/government/statistics/building-materials-and-components-statistics-august-2020
Download the table and look at tab 8 for cement stats.
I believe in the US cement production was around 85 million tonnes. You can get loads of US cement stats via the USGS.
https://www.usgs.gov/centers/nmic/cement-statistics-and-information
In teh latest June stats for the USA it reads:
"Substitutes: Most portland cement is used to make concrete, mortars, or stuccos, and competes in the construction
sector with concrete substitutes, such as aluminum, asphalt, clay brick, fiberglass, glass, gypsum (plaster), steel,
stone, and wood. Certain materials, especially fly ash and ground granulated blast furnace ****, develop good
hydraulic cementitious properties by reacting with lime, such as that released by the hydration of portland cement.
Where readily available (including as imports), these SCMs are increasingly being used as partial substitutes for
portland cement in many concrete applications and are components of finished blended cements"
US used 25 million tonnes of pozzolan materials last year, most of that was either fly ash and GGBS. But with fly ash sources rapidily disappearing natural pozzolan source demand is increasing each year. Its cheaper than GGBS. Overall the pozzolan market is expected to be worth $90 billion dollars by 2027 in the US alone.
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