prEN 1911-2

Stationary source emissions - Manual method of determination of HCl - Part 2: Gaseous compounds absorption prEN 1911-2

Scope

This European Standard describes the Standard Reference Method (SRM) with three alternative analytical techniques for determining gaseous chlorides content emitting to atmosphere from ducts and stacks. The specific components and the requirements for the measuring system are described. A number of performance characteristics with associated minimum performance criteria are specified for the measuring system (see tables 1 and 2 in 7.2). This European standard can be used as a SRM provided the overall uncertainty of the method is less than ± 30,0 % relative at the daily Emission Limit Value (ELV) for incineration and large combustion plants or at the ELV prescribed by the specific regulations for other plants.
An Alternative Method to this SRM may be used provided that the user can demonstrate equivalence according to the Technical Specification CEN/TS 14793.
This method determines the concentration of chlorinated compounds that give Cl- ions in the absorption solution. This Standard Reference Method has been evaluated during field tests on waste incineration. The method applies to waste gases in which chlorides concentration expressed as HCl may vary between 1mg.m-3
and 5 000 mg.m-3 under normal pressure and temperature conditions (see note), and according to emission limit values laid down in the following Council Directives :
- Council Directive 2001/80/EC on the limitation of emissions of certain pollutants into the air from large
combustion plants
- Council Directive 2000/76/EC on waste incineration plants.
Note: The limit values of EU directives are expressed in mg HCl.m-3, on dry basis, at the reference conditions of 273 K and 101,3 kPa and at the reference O2 concentration..

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