Capture of green-house carbon dioxide in Portland cement
A novel process has been developed to sequester green-house carbon dioxide produced by the cement industry in precast cement products. Typically, 10--24 wt % of CO{sub 2} produced by calcination of calcium carbonate during clinkering of the cement may be captured. The carbonation process also cures the cement paste within minutes into hard bodies. The process maintains high pH conditions during curing, to allow conventional steel reinforcement of concrete. The process will save time and money to the cement industry, and at the same time, help them to comply with the Clean Air Act by sequestering the green-house carbon dioxide.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10124497
- Report Number(s):
- ANL/ET/RP-81971; ON: DE94006821
- Resource Relation:
- Other Information: PBD: [1993]
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
CEMENT INDUSTRY
FEASIBILITY STUDIES
CARBON DIOXIDE FIXATION
LIMESTONE
CALCINATION
ABSORPTION
CARBON DIOXIDE
POLLUTION ABATEMENT
CEMENTS
CURING
POLLUTION CONTROL EQUIPMENT
DESIGN
PH VALUE
CLEAN AIR ACTS
540120
320303
CHEMICALS MONITORING AND TRANSPORT
EQUIPMENT AND PROCESSES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
CEMENT INDUSTRY
FEASIBILITY STUDIES
CARBON DIOXIDE FIXATION
LIMESTONE
CALCINATION
ABSORPTION
CARBON DIOXIDE
POLLUTION ABATEMENT
CEMENTS
CURING
POLLUTION CONTROL EQUIPMENT
DESIGN
PH VALUE
CLEAN AIR ACTS
540120
320303
CHEMICALS MONITORING AND TRANSPORT
EQUIPMENT AND PROCESSES