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Why ‘Clean Coal’ Remains out of Reach

first_imgWhy ‘Clean Coal’ Remains out of Reach FacebookTwitterLinkedInEmailPrint分享Robert Rapier for Forbes:Since the coal industry and utilities that use coal want to continue to exist, they have pushed the clean coal narrative for many years. After all, if there is some hope that this dream is achieved, perhaps the EPA could cut them some slack while they work out the kinks.It’s not so hard to imagine how it would be done. In fact, it’s already been demonstrated many times at a pilot scale. The exhaust from the power plant stack is captured, compressed, and stored underground — either in a cavern or an old oil or gas field.The key challenge has always been one of economics. The capital cost of capturing and compressing those emissions is very high, and the power consumed in compressing the carbon dioxide places a parasitic load on the power plant. Just to compress the emissions can require the electric power requirements of 10% of the plant output, and then it must still be transported to an appropriate site and pumped into the ground. All of these factors drive up the costs to the point that coal power with carbon capture is prohibitively expensive relative to competing ways of producing power.The prohibitive costs are amply demonstrated by the FutureGen project in Illinois. This project was a partnership between the United States Department of Energy (DOE) and an alliance of coal mining and electric utility companies. The project was to be located at the 275 MW Meredosia Power Station in Illinois.FutureGen won $1.1 billion in federal money in 2009, and the project cost was estimated to be $1.65 billion. The DOE spent $202 million on the project, but missed project deadlines and unresolved technology challenges ultimately caused the DOE to pull the plug on the project in 2015.While there are a number of other pilot projects underway around the world, they all suffer from the same basic problem. The costs of competing technologies are close enough to coal that when you try to capture the carbon dioxide emissions it pushes the cost of coal-fired power beyond the competition.Thus, in reality there aren’t any commercial clean coal technologies. It’s very likely there won’t be any. So for countries that have committed to reducing carbon emissions, the pressure to phase out coal will continue to be intense.Full item: The Elusive Search For Clean Coallast_img read more

Zenith/Delta Principal’s Cup: Organisers Release Q’finals Fixtures Â

first_imgThe quarterfinal pairings of the last eight teams in the Delta State Principals’ Cup for all secondary schools have been released with slight changes in dates.Zenith Bank are the sponsors of the competition which is in its second edition after its revival by the bank and the Delta State Government.According to the fixtures earlier released, February 13 to 16 was originally set aside for the quarterfinals but now it has been rescheduled to take place between February 20 and 23.The venue for all the quarterfinal games have also be decided as Marvel Secondary School will clash with Iwere College, Koko on February 20 at the Sapele Stadium.On February 21, Obule Integrated schools and St. Paul’s College Ozoro will compete for honours at the  Ughelli Stadium while on February 22, Comprehensive Secondary school and Boys Secondary school will lock horns at Agbor Stadium.The final quarterfinal match will be decided on February 23 between Otokutu Secondary school and  Ogume Grammar School at the Oleh Stadium. The semifinals will now take place on February 26 and 27 at venues yet to be determined while the Third Place match is billed for February 28.The new date for the final is now March 2 at the Ozoro Polytechnic Stadium Ozoro.The head of the organizing team, Tony Pemu, said the changes were made due to logistics issues while the final date was changed to enable the Governor of the State, Ifeanyi Okowa, to be present at the ceremony.“We are also going to determine the venue of the semis after the winners of the quarters have emerged so as not to give undue home advantage to the qualifiers. The matches will take places at neutral venues.Mastercare International School are the defending champions of the developmental youth football fiesta.  Share this:FacebookRedditTwitterPrintPinterestEmailWhatsAppSkypeLinkedInTumblrPocketTelegramlast_img read more