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Sludge level and quality measurement

The sludge accumulated at the bottom of wastewater treatment ponds reduces the useful volume and therefore the retention time available to the treatment of the wastewater. The measurement of the level of sludge accumulated in the ponds must be carried out at least every three years or every year when the proportion of sludge reaches 10% of the total theoretical volume of a pond, or when the veil of sludge is less than one meter from the pond outlet pipe.

Measuring the sludge level ensures that the accumulation of sludge does not have the effect of reducing the retention time of wastewater in the ponds, which can cause:

  • The passage of sludge to the effluent and the subsequent risks of contamination of the receiving watercourse (e.g. proliferation of blue-green algae)
  • Poor purification performance of the station (non-compliance with discharge standards)

Equipment breakage or reduced performance of the aeration system used in ponds.

Avizo also provides support for selecting a disposal method, drafting tender documents for sludge removal, and project management and monitoring. Contact our specialists to discover how we can assist you.

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Phone: 1-800-563-2005

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25 Mozart Avenue E, Suite 201
Montreal H2S 1B1
4495, Boulevard Wilfrid Hamel, Québec, local 240
Québec G1P 2J7
1994 Michelin Street
Laval H7L 5C2
1125 Cherbourg Street
Sherbrooke J1K 0A8
330 Cormier Street
Drummondville J2C 7L9
150 Saint-Jacques Street
Granby J2G 8V6

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Sludge level and quality measurement

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Demande de soumission
Desired services
Sols, réhabilitation et valorisation
Natural Environments and Watercourses
Urban water
Gauging and Calibration of Measurement Equipment
Urban infrastructure and transport
Permits and Authorization

Flowmeter identification

Applicable regulations
Is it possible to vary the flow rate manually?
Is the measuring system located in an enclosed space?
Is it possible to provide us with a person who will help our technician during the job in a confined space?

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