Co-firing of asphalt fired dust in pulverized coal fired boiler
Conference
·
OSTI ID:20006852
In order to make clear whether the dust collected at the electrostatic precipitator (EP) of asphalt fired boilers can be co-fired in pulverized coal fired boilers, laboratory-scale and bench-scale tests have been conducted. Test results showed that although dust from asphalt firing had as only a little amount of volatile matter as semi-anthracite or anthracite had, it revealed burn-out properties like bituminous. When it was co-fired with pulverized coal by 2% by that input, a considerable increase in SO{sub 2} emission was noted, while NOx emission was somewhat decreased compared with coal firing. From these verifications, it was confirmed that the co-firing of dust from asphalt firing in pulverized coal fired boiler was applicable to actual plants so far as the De-SOx system permitted.
- Research Organization:
- Ishikawajima-Harima Heavy Industries Co., Ltd. Tokyo (JP)
- OSTI ID:
- 20006852
- Country of Publication:
- United States
- Language:
- English
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