Portland cement, every mention
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every year anyone Shayle Kann 8Leah Ellis 8
Verbatim, from the transcripts: the passages where Portland cement comes up
Fixing cement’s carbon problem
- ▶ 0:15 Shayle Kann How big exactly is the average Portland cement plant right now? 2 times in the scene
- ▶ 8:02 Leah Ellis The calcium carbonate breaks up into CO₂, which escapes as a gas, and calcium oxide, which then goes on in a second step to react with the silicates to make Portland cement, which is the cement we largely use today. 2 times in the scene
- ▶ 8:26 Shayle Kann As you said, Portland cement or ordinary Portland cement is, I think most folks will know, like pretty ubiquitous. 6 times in the scene
- ▶ 14:00 Leah Ellis Yeah, it all starts at the Portland cement kiln. 5 times in the scene
- ▶ 40:29 Leah Ellis Um, Sublime's process has, produces a cement that has the same embodied energy as, as Portland cement today.