Water/Wastewater

Process Analysis LDO Optical Oxygen Probe Paper Industry Maintenance reduced by 80 %

Jul 20 2007

Author: Dirk Ritterbach on behalf of Unassigned Independent Article

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For many years there has been a strong end towards resource conserving production in order to cut water consumption in the paper industry. Nevertheless, in 2004 an average of 9.6 litres of wastewater was generated per kilogram of paper in Germany. Several paper mills, which together account for more than 75 % of the gross production volume, use biological processes to treat their wastewater. In Neuss, Germany, Procter & Gamble (TEMPO paper handkerchiefs, etc.) has Europe’s biggest factory for paper-based hygiene products. Its biological wastewater treatment plant became operational in 1994. The ➔ reliable aeration control system uses the HACH LANGE LDO optical ➔ oxygen sensor. This ➔ H2S res is tent sensor enabled the monthly mainten - ance time to be reduced by 80 %.

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