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(BAT) Reference Document for the Production of Chlor-alkali ...

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Chapter 4<br />

Example plants<br />

Primary techniques to reduce noise emissions are generally applied by chlor-<strong>alkali</strong> plants in<br />

EU-27 and EFTA countries. Example plants include:<br />

Akzo Nobel in Bitterfeld (Germany), chlorine capacity 87.8 kt/yr;<br />

CABB GmbH in Gersth<strong>of</strong>en (Germany), chlorine capacity 45 kt/yr, implementation <strong>of</strong> a<br />

noise-prevention concept.<br />

<strong>Reference</strong> literature<br />

[ 57, EIPPCB 2011 ], [ 150, COM 2011 ], [ 152, COM 2011 ], [ 153, COM 2010 ], [ 154, COM<br />

2006 ], [ 155, COM 2001 ], [ 156, UK Environment Agency 2004 ]<br />

4.3.8.4 Secondary techniques: noise abatement<br />

Description<br />

Secondary techniques aim at reducing noise propagation by inserting appropriate obstacles such<br />

as protection walls, embankments and buildings.<br />

Technical description<br />

If primary noise reduction techniques (see Section 4.3.8.3) are not sufficient to reach <strong>the</strong><br />

required noise target levels, secondary techniques (noise absorption) may be considered<br />

appropriate. In order to screen <strong>the</strong> source <strong>of</strong> <strong>the</strong> noise, obstacles such as protection walls,<br />

embankments and buildings are inserted between <strong>the</strong> emitter and <strong>the</strong> receiver [ 150, COM<br />

2011 ], [ 153, COM 2010 ], [ 154, COM 2006 ], [ 156, UK Environment Agency 2004 ].<br />

Achieved environmental benefits<br />

The achieved environmental benefit <strong>of</strong> this technique is a reduction <strong>of</strong> noise emissions.<br />

Environmental per<strong>for</strong>mance and operational data<br />

{Please TWG provide in<strong>for</strong>mation.}<br />

Cross-media effects<br />

Some raw materials and energy are consumed <strong>for</strong> erecting noise-absorbing obstacles.<br />

Technical considerations relevant to applicability<br />

The use <strong>of</strong> secondary techniques is subject to space availability.<br />

Economics<br />

{Please TWG provide in<strong>for</strong>mation.}<br />

Driving <strong>for</strong>ce <strong>for</strong> implementation<br />

The driving <strong>for</strong>ce <strong>for</strong> implementation <strong>of</strong> this technique is environmental legislation.<br />

Example plants<br />

{Please TWG provide in<strong>for</strong>mation.}<br />

WORKING DRAFT IN PROGRESS<br />

<strong>Reference</strong> literature<br />

[ 151, COM 2011 ], [ 153, COM 2010 ], [ 154, COM 2006 ], [ 156, UK Environment Agency<br />

2004 ]<br />

256 December 2011 TB/EIPPCB/CAK_Draft_1

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