Delmarva Power & Light Co. officials wanted a more environmentally responsible alternative to conventional tank cleaning when they faced the need to remove and dispose of sludge from a No. 6 oil storage tank at its Vienna, Md., station. The 23-year old, cone-roof tank contained approximately 6,300 barrels of hydrocarbon material. Conventional tank cleaning is a labor-intensive task that recovers little or no oil. Sludge buildup in tanks can be several feet deep and usually consists of a mixture
In the aftermath of Hurricane Andrew, which brought 1,240 mile-per-hour winds into southern Florida, 1.4 million Florida Power & Light Co. (FPL) customers were without electricity. Not only were the lines down, but many generating plants also suffered damage, including Turkey Point nuclear power plant. The hurricane wiped out a 100,000 gallon elevated water tower, a 500,000 gallon water storage tank, city water supply piping, three service water pumps, four raw water pumps and a fire water pump.
Potomac Electric Power Co. (PEPCO), Washington, D.C., experienced periodic problems with faulty bearings and wheel imbalance in coal pulverizer exhauster fans at its Potomac River generating station in Alexandria, Va.
Remote condition monitoring has saved more than $650,000 in downtime, personnel time and materials during the first 18 months of operation for Lone Star Energy Corp.`s Encogen Four power plant in Buffalo, N.Y. Cost to the plant for hardware, fees and training associated with the monitoring system was $35,000.
The Institute of Clean Air Cos. (ICAC), the national association of stationary source air pollution control companies, has released a revised version of its white paper, Selective Catalytic Reduction (SCR) Controls to Abate NOx Emissions. The paper, written by ICAC?s SCR Committee, provides information on the capabilities, limitations, applications and costs of SCR.
Dale Simbeck, vice president of technology, SFA Pacific, Inc., Mountain View, Calif., speaking at the recent Council of Industrial Boiler Owners` fluidized bed conference in Jacksonville, Fla., said that fluidized bed combustion (FBC) technology has now become a major competitor for conventional solid fuel combustion systems worldwide. Here in the United States independent power producers and cogenerators have led the way in deploying FBC boilers for electric power generation. Utility type rehea
Members of a North Carolina church will move into their expanded church facility sooner than expected. An arrangement to provide much needed low cost landfill material made the project possible thanks to a cooperative effort of the New Covenant United Methodist Church?s building committee, Duke Power Co., and contractor Trans-Ash of Cincinnati, Ohio.
TVA adds 25 years to its scrubber sludge storage capacity. Used in another industry, but unproved for sludge storage, a new system was successfully adapted
The least-cost producers of electricity in the United States over the five-year period 1989 to 1993 are coal-fired power plants west of the Mississippi River burning low-sulfur coal. These data are confirmed in a recent analysis of production expenses for 707 power plants producing 85 percent of U.S. electric utility output by the Utility Data Institute (UDI).