Product category:
Air handling: Dust + Fume extraction
News Release from: Donaldson Membranes | Subject: 6255 Tetratex Ultra
Edited by the Processingtalk Editorial
Team on 26 February 2007
Emission control for waste and
incinerator plant
Donaldson Membranes has helped a municipal waste and incineration plant meet European Community Directives for emission control, with performance proved over 18 months operation
Donaldson Membranes has helped a municipal waste and incineration plant meet European Community Directives for emission control The community-owned plant incinerates household waste including furniture, but did not have the required environmental protection control systems in place
This article was originally published on Processingtalk on 11 Mar 2008 at 8.00am (UK)
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Today's stringent environmental legislations aim to prevent the effects of pollution from incineration and the subsequent risk to human health.
Therefore incineration plants may only be granted permits to incinerate hazardous waste if they have procedures in place to control and limit emissions: the UK waste guide states that: "Directive 89/429/EEC on existing municipal waste incinerators introduced a programme of phased improvement for existing plants, whereby emission limit values must be met within certain time limits.
Extensive requirements for monitoring, inspection and reporting by the operators of these plants are laid down in this Directive".
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The Directive sets emission limits which necessitate the use of strict operational conditions and technical requirements, therefore the plant was in urgent need of an effective filtration solution if it was to continue to operate.
This necessitated the installation of a new filter house manufactured by an expert in industrial ecology and advanced technology and in the treatment of fumes from incinerating urban and industrial waste.
However, after 12 months the originally installed filter media was not meeting the legislative standards required and Donaldson Membranes, known internationally for its manufacture of Tetratex expanded polytetrafluoroethylene (PTFE) membranes was asked to resolve the serious emission problem caused by this failure.
Following consultation between local bag supplier EM-TEK in Gyor, Hungary, and Donaldson Membranes Sales Manager, Wolfgang Drong, it was decided that 6255 Tetratex Ultra High Efficiency Woven Glass fabric, suitable for continuous service at temperatures of up to 2600C, would be the most effective media for plant operation - and 1,200 sleeves, diameter 126 x 6,330 (mm), with a volume capacity of 180,000 m/h, were manufactured and installed.
After more than 18 months of operation the plant manager is delighted with performance of the ultra high efficiency media, and continuous monitoring shows that the Donaldson Membranes 6255 Tetratex Ultra High Efficiency Glass fabric filter media has resolved the emission problem, maintaining levels well below the acceptable level of 10 mg/m3.
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