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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN Print: 2150-3621
ISSN Online: 2150-363X

International Journal of Energy for a Clean Environment

Formerly Known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v5.i3.100
19 pages

TESTING COAL AND PETCOKE CO-FIRING

Sauro Pasini
ENEL Ricerca-Generation Area Combustion and Fuel Gas Treatment Unit Via Andrea Pisano, 120 1-56122 Pisa, Italy
S. Malloggi
ENEL SpA, Generation and Energy Management Division, A.T. Ricerca Via Andrea Pisano 120, 56122 Pisa, Italy
N. Rossi
ENEL SpA, Generation and Energy Management Division, A.T. Ricerca Via Andrea Pisano 120, 56122 Pisa, Italy
S. Ligasacchi
ENEL SpA, Generation and Energy Management Division, A.T. Ricerca Via Andrea Pisano 120, 56122 Pisa, Italy
Nice Pintus
ENEL SpA, Generation and Energy Management Division, A.T. Ricerca Via Andrea Pisano 120, 56122 Pisa, Italy

ABSTRACT

To test coal/petcoke co-firing in power plants, ENEL has performed a detailed testing campaign in its 5 MWt boiler simulator facility. The experiments demonstrated that, without air staging, coal/petcoke co-firing is feasible up to 30% petcoke. Air staging had a stronger negative impact on Unburned Carbon than did the percentage of petcoke in the fuel blend. In staged combustion configurations, fouling in the first part of the convective section was also found.
On the basis of the outcomes of the experimental campaign, a modeling study was performed to evaluate the impact of coal/petcoke co-firing on boiler performances.


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