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for sustained success - Mondi

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Noise<br />

Large-scale production of pulp and paper by nature causes noise emissions<br />

that affect workers in the mill and people in the surrounding community alike.<br />

NEUSIEDLER has set a number of initiatives to reduce the noise <strong>for</strong> both<br />

groups of people, which, in addition to the avoidance of noise, provide <strong>for</strong> a<br />

whole set of measures from the isolation of the noisiest pieces of equipment to<br />

the use of personal hearing protection. The minimum requirements are determined<br />

by the statutory emission limits <strong>for</strong> the respective plant and operation.<br />

Marked improvement through installation of low-noise suction rolls<br />

Here, too, NEUSIEDLER is committed to innovation. Together with scientific<br />

institutions and suppliers we aim at reducing noise emission from equipment.<br />

The use of low-noise suction rolls in the wire and press sections of paper machines,<br />

cutting the noise level to less than 50%, serves as an example. After a<br />

<strong>success</strong>ful pilot test at the Austrian mills, this type of suction roll will eventually<br />

be installed in all the Group's paper machines and will become a precondition<br />

<strong>for</strong> future projects.<br />

PM6 at the Theresienthal mill<br />

Noise reduction through employment of low-noise suction rolls<br />

100<br />

99<br />

98<br />

97<br />

96<br />

95<br />

94<br />

93<br />

92<br />

91<br />

90<br />

89<br />

88<br />

87<br />

86<br />

85<br />

98.6 dB<br />

old version<br />

95 dB<br />

new version<br />

30 NEUSIEDLER Sustainability Report 2003 | Environment

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