Operation & Maintenance of Power Plants
Aldo Belloni, member of Linde’s executive board, is also enthused: “We are very satisfied with the results of
the practical tests, too. Further development of CO2 capture technology for treating power plant waste gases is among the focal points of our activities aimed at clean energy generation.”
Sub-surface storage Now the partners are working on solutions for demonstration and large-scale power plants (Fig. 1). First demonstration plants are scheduled to come on stream in 2015, and CO2
capture is expected to
be used commercially in coal-fired power stations by 2020. Tis technology should allow more than 90 per cent of the carbon dioxide contained in the waste gas of a power plant to be captured for subsequent sub-surface storage or for chemical transformation, for example to give fertilisers. RWE Power will spend about €9m on the
development project, while the German Federal Ministry of Economics and Technology contributed about €4m to the cost of the pilot plant. Meanwhile, Foster Wheeler has announced that
a consortium, including its global engineering and construction group, has received an order from E.ON UK to support the front-end engineering design (FEED) for a post-combustion CO2
capture and
compression plant proposed as part of E.ON’s planned supercritical coal-fired power station in Kent, England. Foster Wheeler’s consortium partner for the carbon
dioxide capture element of the project is Mitsubishi Heavy Industries, (MHI) of Japan. E.ON is planning to replace its existing coal-fired units at Kingsnorth Power Station with two new high- efficiency 800 MW coal-fired units using the latest supercritical technology, which E.ON has said will produce power from coal more efficiently than ever before in the UK. Te planned CO2
to separate and capture CO2 by the new coal-fired units, enabling the CO2
capture plant will be designed from flue gas generated to be
transported and stored permanently within a depleted gas reservoir under the North Sea. Te Foster Wheeler contract value for this
project was not disclosed and will be included in the company’s third-quarter 2010 bookings. E.ON UK is one of two groups competing in
the UK Government’s carbon capture and storage (CCS) competition to build one of the world’s first industrial-scale CCS demonstration plants. Te UK Government’s Department of Energy and Climate Change has recently confirmed E.ON’s progression to the next stage comprising a FEED study. Te overall FEED activities will further develop capture and compression project at
the proposed CO2
Kingsnorth and will involve engineering and design studies following which the competition winner will be selected by the UK Government. Foster Wheeler and MHI have already completed the pre-FEED.
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“We are delighted to continue to play a key role in this landmark project, planned to include one of the world’s first industrial-scale plants capturing CO2
from flue gases and the UK’s first supercritical
units,” said Umberto della Sala, president and chief operating officer, Foster Wheeler. “We believe that the combination of our expertise in delivering innovative, technically optimised engineered solutions and MHI’s leading CO2
recovery technology will continue to add
significant value for E.ON.” In the US, Xcel Energy is now operating a first of its kind demonstration of a hybrid solar-coal approach, using parabolic-trough solar technology integrated with a coal-fired power plant. Te project, located at Xcel Energy’s Cameo generating station near Grand Junction, Colorado, is designed to increase the plant’s efficiency, decrease the use of coal, test the commercial viability of concentrating solar power thermal integration, and lower carbon dioxide emissions. Abengoa Solar developed the parabolic-trough technology, which concentrates solar energy to provide heat for producing supplemental steam for electric power production. Te project is the first under Xcel Energy’s new innovative clean technology (ICT) programme, an initiative to test promising new technologies with potential to lower greenhouse gas emissions and result in other environmental improvements. Trough the ICT programme, the company can pursue the development, commercialisation and deployment of new power generation, energy storage and other technologies that support its clean energy strategy. It provides the opportunity to test these technologies and evaluate their cost, reliability and environmental performance at a demonstration scale before determining whether they should be deployed more widely.
Oxycombination technology In other US news, energy secretary Steven Chu has announced the award of US$1 billion in American Recovery and Reinvestment Act funding to the FutureGen Alliance - Ameren Energy Resources, Babcock & Wilcox, and Air Liquide Process & Construction - to build FutureGen 2.0. Te new project will repower Ameren’s 200MW Meredosia unit four, located near Meredosia, in western Illinois, with advanced oxycombustion technology, which combusts coal in oxygen rather than air. Finally, Siemens Energy has won a front-end engineering design contract from Summit Texas Clean Energy to provide coal gasification and power block technology for the Texas Clean Energy Project. Te new 400MW poly-generation integrated gasification combined cycle (IGCC) project planned near Odessa, Texas, will use coal as its feedstock. Te plant will capture 90 per cent of its CO2
emissions for enhanced
oil recovery in the West Texas area. Siemens will deliver the gasification technology, which includes two SFG-500 gasifiers. l
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