Improving existing power stations to comply with emerging emissions standards, IEACR/92

Author(s): David Scott

Ref: IEACR/92
ISBN: 92-9029-284-9
Published Date: 01/04/1997
No. of Tables: 20
No. of Figures: 39
No. of Pages: 76

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Environmental standards for utility power plant are gradually being tightened. At many locations, air quality is failing to meet newly agreed national standards. Local authorities are supplementing national emissions standards with more stringent local requirements. In consequence, existing plant may have to be modified to secure compliance. A range of technologies is available for improving the performance of existing units. Optimisation of combustion conditions can be a low cost option but the scope is plant and fuel specific. More substantial reductions in emissions may be achieved by flue gas treatment. The costs involved are considerable and problems may be created in the beneficial disposal of large quantities of solid byproducts. However, it has been demonstrated that operators of utility scale pulverised coal fired power stations can achieve compliance with the most stringent current emission standards.

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