Skip to content
Better HN
Top
New
Best
Ask
Show
Jobs
Search
⌘K
undefined | Better HN
0 points
bobfromhuddle
2mo ago
0 comments
Share
We don't use CO2 to make cement, we use limestone, and CO2 is the byproduct of heating the limestone to make reactive calcium.
0 comments
default
newest
oldest
henearkr
2mo ago
Do you know ferrock?
It is a kind of cement that uses CO2 to cure.
j
/
k
navigate · click thread line to collapse