Copper oxychloride as a fireside additive in coal-fired utility boilers

Technical Report · Thu Feb 01 04:00:00 EST 1990

OSTI ID:7015180

Sanyal, A ^[1]

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1. Babcock Energy Ltd., Crawley (UK)

A plant trial to investigate the effects of copper oxychloride addition on wall slag formation was held during May/June 1986 on Unit 5, a 180 MW(e) boiler at PLEM Buggenum in Holland. The condition of the furnace surfaces was monitored visually, and comprehensive sampling of coal, ash and slag deposits and collection of boiler operational data were carried out. A consistent coal supply was maintained and the boiler operated at close to full load throughout the trial. The effect of copper oxychloride in controlling slag deposition has been clearly demonstrated, but it was not possible to establish the optimum dosage level nor to distinguish between the effects of intermittent or continuous dosage. From detailed microstructural examination of the slag deposits, some further corroborative evidence in support of the current theories of the model of action of the additive was obtained. The results of a pilot-scale study of the action of the additive are also reported. 8 refs., 12 figs., 19 tabs.

• Research Organization: Electric Power Research Inst., Palo Alto, CA (USA); Babcock Energy Ltd., Crawley (UK); Battelle Columbus Div., OH (USA)
• Sponsoring Organization: EPRI
• OSTI ID: 7015180
• Report Number(s): EPRI-GS-6751
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
014000 -- Coal
Lignite
& Peat-- Combustion
ADDITIVES
AEROSOL WASTES
ASHES
BOILERS
CHEMICAL COMPOSITION
CHLORIDES
CHLORINE COMPOUNDS
COPPER CHLORIDES
COPPER COMPOUNDS
COPPER HALIDES
CRYSTAL STRUCTURE
DOCUMENT TYPES
FLY ASH
FOSSIL-FUEL POWER PLANTS
FOULING
HALIDES
HALOGEN COMPOUNDS
MICROSTRUCTURE
PERFORMANCE
POROSITY
POWER PLANTS
PROGRESS REPORT
REMOVAL
RESIDUES
SLAGS
THERMAL POWER PLANTS
TRANSITION ELEMENT COMPOUNDS
WASTES