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Power


Monthly Issue | August 1, 2009

Improved Coal Dust Collector

Martin Engineering has introduced an upgraded version of the MARTIN Insertable Dust Collector, which features improved filters and a smaller footprint to control airborne coal dust at belt conveyor loading…


Adjustable Speed Direct Drive Cooling Tower Motor

Arkansas-based Baldor Electric Co. launched a new direct drive technology for the cooling tower industry that improves reliability, reduces maintenance, runs quieter, and saves energy. The Adjustable Speed Direct Drive…


Polymeric Solution for Pump Cavitation

Cavitation is defined as the phenomenon of forming and imploding vapor bubbles in a region where the pressure of the liquid falls below its vapor pressure. Cavitation and the resultant…


Managing Minimum Load

Reducing the minimum load at which a steam turbine can reliably operate is one way to increase revenue for marginal base-loaded units during periods of low electrical demand. For this…


Turning Sewage into Renewable Energy

News has been emerging from around the world about several projects that seek to turn human sewage — arguably the dirtiest of manmade wastes — into clean energy. This June,…


European Interest in Saharan Solar Project Heats Up

Plans to install a series of solar panel farms in the Sahara Desert to power Europe and North Africa are heating up. The idea was discussed in May as part…


Major Scottish Coal Plant Starts CCS Pilot Program

Energy provider ScottishPower on May 29 flicked on the switch of a carbon capture and storage (CCS) pilot program at its 2,304-MW coal-fired Longannet power plant, in Fife, Scotland, marking…


Floating and Flying Wind Turbines

After months of preparation, Norway’s StatoilHydro and Germany’s Siemens in June erected the world’s first large-scale floating deepwater wind turbine some 7 miles offshore Karmøy, southeast Norway, on the 720-feet-deep…


Of Fracking, Earthquakes, and Carbon Sequestration

Hydraulic fracturing — the process of drilling and then pumping fluid deep into a formation to generate fractures or cracks, typically for extracting natural gas from shale formations — has…


How Much Coal Does the U.S. Really Have?

The U.S. Geological Survey (USGS), a federal mapping agency, has of late been propounding the difference between "resources" and "reserves." It says that although the two terms are used interchangeably,…


Revived FutureGen Faces Renewed Funding Obstacles

A little more than a year after the Bush administration abruptly withdrew its support for the FutureGen project, the Department of Energy has again announced it will back the proposed…


Help Build the Global Energy Observatory

How would you like to be able to access data on all the power plants in the world and all of their performance metrics, analyze that data, and map it?…


Carbon Offsets: Scam, Not Salvation

In the battle against climate change, most media attention has been paid to "cap-and-trade" schemes, under which countries set upper limits ("caps") on greenhouse gas (GHG) emissions and allow companies…


Intelligent Cooling Tower System

Electro-Chemical Devices’ new plug-and-play Model 2122 Cooling Tower Control System (CTCS) is designed to apply the various chemicals used to prevent corrosion, scaling, and fouling in water-based wet cooling towers.…


Marmy’s Deep-Freeze Blackout

Steve Elonka began chronicling the exploits of Marmaduke Surfaceblow — a six-foot-four marine engineer with a steel brush mustache and a foghorn voice — in POWER in 1948, when he…


Flexible Fuel Combustor Design Accommodates LNG

To supplement domestic natural gas supplies, the U.S. is expected to increase its dependence on offshore liquefied natural gas suppliers in the coming years. However, the composition and hydrocarbon content…


Preventing Turbine Water Damage: TDP-1 Updated

ASME’s latest revision of its Recommended Practices for the Prevention of Water Damage to Steam Turbines Used for Electric Power Generation: Fossil-Fuel Plants, ASME TDP-1-2006, contains much important design and…


Commercially Available CO2 Capture Technology

While many CO2 removal technologies are being researched through laboratory and pilot-scale testing, an existing technology has a significant operating history at commercial-scale facilities, where it is collecting CO2 from…


IGCC Update: Are We There Yet?

If a number of technical, financial, and regulatory hurdles can be overcome, power generated by integrated gasification combined-cycle technology could become an important source for U.S. utilities. Our overview presents…


Improved FGD Dewatering Process Cuts Solid Waste

In 2007, Duke Energy’s W.H. Zimmer Station set out to advance the overall performance of its flue gas desulfurization (FGD) dewatering process. The plant implemented a variety of measures, including…


2009 Marmaduke Award: The Hague Repowering Project Upgrades CHP System, Preserves Historic Building

The Hague’s century-old power plant, now owned by E.ON, provides electricity to the local grid and thermal energy for the city’s district heating system. Poor performance from the plant’s 25-year-old…


City of Springfield’s CWLP Dallman 4 Earns POWER’s Highest Honor

City Water, Light & Power (CWLP), the municipal utilities agency of the City of Springfield, Ill., determined that coal-fired generation was its best alternative for providing long-term reliable and economic…


Old Challenges Persist in Impeding Renewable Energy Goals

In June, California issued yet another report on renewable energy. This one, a joint effort of the California Public Utilities Commission (CPUC) and the California Energy Commission (CEC), analyzes implementation…


The 7,000-Foot Challenge

The Springerville Generating Station in Springerville, Ariz. (Unit 3 was POWER’s 2006 Plant of the Year), uses two lined ponds to hold water collected from its cooling towers. With the…


POWER Digest (August 2009)

News items of interest to power industry professionals. Worley Parsons to Consult with Governments for New Nukes in Egypt, Armenia. WorleyParsons said on June 19 that it had signed separate…


Politics Trump Scientific Integrity

In their recent endangerment finding draft technical support document (TSD), scientists at the U.S. Environmental Protection Agency (EPA) conclude that carbon dioxide emissions are a public health hazard and should…


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