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DO Measurement in Primary and Secondary Wastewater Treatment

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Process Analytics - «Application Note»

Background

Biological industrial wastewater treatment
Biological processes are being more and more used to treat wastewater effluents, instead of chemical and mechanical processes. Industries using a biological treatment are those whose wastewaters are rich in organic compounds (which are used as nutrients by the microorganisms).
Therefore, typical applications are found in the food industry (dairies, breweries, meat,...), in tanneries and in the pulp & paper industry. The biological treatment contains an aerobic (in presence of DO) and an anaerobic (in absence of DO) phases.….

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