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Study and Development of a Technology for Manufacture of Special-Purity Calcium Carbonate

✍ Scribed by A. A. Fakeev

Book ID
111607254
Publisher
SP MAIK Nauka/Interperiodica
Year
2004
Tongue
English
Weight
67 KB
Volume
77
Category
Article
ISSN
1070-4272

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Development of a process for producing high-purity calcium carbonate (CaCO3) from waste cement using pressurized CO2
✍ Katsuyama, Yasuro ;Yamasaki, Akihiro ;Iizuka, Atsushi ;Fujii, Minoru ;Kumagai, K πŸ“‚ Article πŸ“… 2005 πŸ› American Institute of Chemical Engineers 🌐 English βš– 161 KB πŸ‘ 1 views

## Abstract A new type of process for producing high‐purity calcium carbonate from waste cement powder was developed. The process consists of two main reactions; extraction of calcium in the form of calcium ions from waste cement powder in a water slurry by pressurized CO~2~ (typically at several M