One of the big surprises facing plants that switch from a more or less standard bituminous coal to a western coal is the increase in slagging and fouling. Many plants have reported significantly more ...

Nearly 50 years ago, Norm Harty, president of N.B. Harty General Contractors Inc., was a driller and dynamite blaster for road and railway construction when Kenneth Bridegroom, a supervisor at a power ...

Cleaning built-up slag deposits from a fossil fuel boiler can increase efficiency between 1 percent and 4 percent, helping maximize revenues for a utility. Photo courtesy of Clyde Bergemann. For power ...

Most engineers and operators know (or should know) that boiler tubes containing deposits create long-term reliability problems for the boiler. Long-term overheating of the metal will result from ...