Sustainable Energy Production from Old Coal-fired Thermal Power Plants beyond 2016 Utilizing Major Rehabilitation Program

Cingoski, Vlatko and Tanurkov, Dimitar and Papsterevski, Kosta (2014) Sustainable Energy Production from Old Coal-fired Thermal Power Plants beyond 2016 Utilizing Major Rehabilitation Program. In: International Environmental Law: Contemporary Concerns and Challenges in 2014. International Environmental Law (2). IUS Software d.o.o. GV Zalozba, Ljubljana, Slovenia, pp. 701-713. ISBN 978-961-247-280-1

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Due to its natural abundance and proven exploitation history, coal still represents an important fuel resource for electricity production worldwide. However, as a result of its unfavorable environmental impact and negative emission footprint, recently, a lot of efforts have been taken to provide more “environment friendly” energy producing burning coal, such as Carbon Capture Storage (CCS), utilization of low NOX burners, installation of desulphurization facilities, etc. These activities have especially large importance in case of older Large Combustion Power (LCP) plants, in particularly for those put into operation before 1 July 1987, and for which a specific and mostly case-by-case mitigation strategy must be developed.

Thermal Power Plant (TPP) Bitola is the largest TPP in the Republic of Macedonia which utilizes domestic lignite. Put into operation back in 1980s, all three units consisting TPP Bitola have already operated more than 200.000 hours each, therefore they are far beyond their normal life expectancy. There were two possible approaches for sustainable extension of their operational life: (1) replacement of all three units (225 MW each), with completely new and modern super critical power units and with total installed capacity of more than currently existing 675 MW, or (2) performing large-scale rehabilitation program of the existing units including boiler rehabilitation, lignite supply chain modernization, steam turbines, generators and control system modernization, desulphurization, etc.

Starting back in 2010, such large rehabilitation program on all three units has been initiated. Special attention during rehabilitation process was paid to environmental improvements and introduction of pollutant abatement systems providing that after rehabilitation, all three power units become fully compliant with the EU Directives for LCP Plants (EU Directive 2001/80/EC).

In this paper, the taken approach for selection of the best and the least-cost rehabilitation program is presented. Based on several constraint factors, four potential improvement scenarios were developed and investigated. The expected results, such as the unit’s life prolongation, boiler efficiency increase and decrease of pollutant emissions compliant with the LCP Directive are also given, therefore, providing a unique approach towards sustainable operation of the existing cold-fired power plants beyond 2016.

Item Type: Book Section
Subjects: Engineering and Technology > Electrical engineering, electronic engineering, information engineering
Engineering and Technology > Environmental engineering
Engineering and Technology > Materials engineering
Divisions: Faculty of Electrical Engineering
Depositing User: Vlatko Cingoski
Date Deposited: 08 Jul 2014 08:12
Last Modified: 08 Jul 2014 08:12

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