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Producing solid recovered fuels (SRF) is a well-established route for recovering energy resources from municipal solid waste (household and/or commercial). Chloride content critically impacts the quality of SRF. It directly influences operation of thermal processes, having deleterious effects through the high temperature corrosion of the boilers and through demands placed on the flue gas treatment (FGT) system, which could impact emissions control. Whereas design and specification of process plant can mitigate the technical issues associated with the presence of chloride experienced during thermal treatment, processing such fuels is associated with increased capital, operating and maintenance costs. This, at best, restricts the uptake/use of SRF or increases the cost of its treatment towards achieving a reduced chloride content.
The Committee of European Standardisation (CEN) has developed specifications regarding terminology, quality assurance, classes, fuel specifications, sampling, physical and chemical tests for SRF. A key determinant of the class of SRF depends on ist chloride Content. Chloride can be found in waste in two broad forms: organic chloride as associated with the inclusion in organic compounds e.g. plastics; and inorganic chloride e.g. salts.
|Copyright:||© TK Verlag - Fachverlag für Kreislaufwirtschaft|
|Source:||Waste Management, Volume 6 (September 2016)|
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