1) CEN Members Approved the European Standard for Fly Ash for Concrete
2) Revision of FGD Gypsum Quality Criteria Completed
3) Call for Papers - VGB Conference "Gas Turbines and Operation of Gas Turbines 2013"
4) Supplement Programme VGB Congress "POWER PLANTS 2012", 10 - 12 October 2012 in Mannheim
5) VGB-S003-01-2012-07-EN "Availability of Thermal Power Plants"
The CEN (European Committee for Standardisation) member states have approved the revised European standard EN 450-1 "Fly ash for concrete - Part 1: Definition, specifications and conformity criteria" by majority. For the use of fly ash the national application documents have to be considered. The revision of part 2 - conformity evaluation - is on hold and will only be completed in close cooperation with the revision of other standards of the same evaluation system (1+).
Compared to the version from 2005 the revised EN 450-1 allows higher amounts of co-combustion material which are still restricted in type and amount to ensure the quality of fly ash. The maximum amounts are limited by the limit values for single parameters or by the maximum amount of co-combustion material. Furthermore, the requirements for single parameters and test procedures have been modified. All changes are compiled and explained in a background report which will be available at the Beuth Verlag in short time.
The revised standard is likely to be introduced by spring of 2013. A detailed report regarding the modifications in the standard is published in VGB PowerTech 8/2012.
More information
mailto:hans-joachim.feuerborn@vgb.org
http://www.vgb.org/en/current_issue.html
The editorial revision of the FGD Gypsum Quality Criteria is completed. The revision focused on the link to the revised VGB instruction sheet "Analysis of FGD gypsum" (VGB-M701, 2008). The limit values for single parameters were not modified.
The quality criteria were prepared by EUROGYPSUM, VGB PowerTech and ECOBA and can be downloaded from the EUROGYPSUM website.
http://www.eurogypsum.org/_Uploads/dbsAttachedFiles/EUROGYPSUMBD2.pdf
The VGB Conference "Gas Turbines and Operation of Gas Turbines 2013" takes place in the Kultur- und Congress-Centrum Graf-Zeppelin-Haus in Friedrichshafen on June 11/12, 2013.
Please submit your paper by December 12, 2012, at the latest to:
http://www.vgb.org/vgbmultimedia/Veranstaltungen/Ringhoff/GT13/CFPenglish_GT13.pdf
mailto:diana.ringhoff@vgb.org
New meeting point of the technical visit VAG Visitor Center Mannheim on Wednesday 10 and Friday 12 October 2012: Main entrance of the Congress Center Rosengarten. Bus shuttle to the Visitor Center.
http://www.vgb.org/vgbmultimedia/Veranstaltungen/Kongress+2012/VAG_e.pdf
The Technical-scientific Report "Availability of Thermal Power Plants" for the period 2002 to 2011 can be bought now. The report analyse 638 power plant units with a total capacity of approx. 263,000 MW.
Receive free of charge an outline of the report via e-mail:
mailto:stefan.prost@vgb.org or download here:
http://www.vgb.org/en/performanceindicators.html
Order the report:
mailto:mark@vgb.org
Main topics of the August issue are: A nearly perfect removal of a steam turbine generator unit; Modernization of steam turbines and condensers at coal-fired power plant Ibbenbüren; Regulations for the utilisation of fly ash in concrete - Today, tomorrow and the day after tomorrow; Sucessful cleaning concept for Germany's biggest reverse osmosis plant.
Abstracts of all articles are available here:
http://www.vgb.org/en/current_issue.html