Donaldson cuts emissions for community incineration plant

01 March 2007

Donaldson Membranes has installed filtration media at a municipal waste and incineration plant, allowing it to 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.

Today’s stringent environmental laws aim to prevent 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 to limit and control emissions, as outlined on’s waste guide.

The Directive sets mission 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 operating.

The plant first installed a new filer house. However, after 12 months the originally installed filter media was not meeting the legislative standards required and Donaldson was drafted in.

Following consultation between local bag supplier, EM-TEK in Györ, Hungary, and Wolfgang Drong, sales manager at Donaldson, it was decided that #6255 Tetratex Ultra High Efficiency Woven Glass fabric would be most effective. The fabric is suitable for continuous service at temperatures of up to 2600C. Donaldson also supplied 1,200 sleeves, dia. 126 x 6,330 (mm), volume = 180,000m³/h.

After more than 18 months of operation the plant manager claims to be “delighted” with the performance of the ultra high efficiency media. Continuous monitoring suggests the filter media has solved the problem, maintaining levels well below the acceptable of 10 mg/m³.

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