Separation and recycling of carbon in ash
Technical Report
·
OSTI ID:374515
- Separation Technologies, Inc., Needham, MA (United States)
Separation Technologies has developed a new electrostatic process for separating the unburned carbon from utility flyash. As NOx emission levels are reduced through burner modifications and as harder and lower ash coals are burned, the carbon levels in the fly ash increase above the maximum levels for use in concrete. This paper details the results of a production test program carried out in mid-1994 to produce low carbon ash for use in concrete. 3000 tons of low carbon ash were produced at rates of 15-25 tons per hour. The average loss-on ignition of the fly ash was reduced from 8.2% down to 2.3% with 83% yield.
- Research Organization:
- Electric Power Research Inst. (EPRI), Palo Alto, CA (United States)
- OSTI ID:
- 374515
- Report Number(s):
- EPRI-TR-105978-V3; CONF-9505150-Vol.3; TRN: 96:004683-0006
- Resource Relation:
- Conference: EPRI/EPA joint symposium on stationary combustion NO/sub x/ control, Kansas City, MO (United States), 16-19 May 1995; Other Information: PBD: Jan 1996; Related Information: Is Part Of Proceedings: EPRI/EPA 1995 joint symposium on stationary combustion NO{sub x} control: Volume 3, Thursday, May 18, 1995, Sessions 6A, 7A, 7B; PB: 476 p.
- Country of Publication:
- United States
- Language:
- English
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