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Triton sludge measurement

Triton Electronics Sludge Quality Measurement

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Triton Instruments - offering a range of instruments for use in determining filterability, thickenability and settling characteristics of sludges for the wastewater industry.

Sludge measurement in the lab

Capillary Suction Time has been used since the 1970s as a quick and reliable method for characterising sludge filterability and conditionability. It is sludge filterability that, predominantly, governs the output of nearly all the various types of dewatering equipment including: drying beds, belt press, vacuum filters, filter presses and centrifuges.

The capillary suction pressure generated by standard filter paper is used to ‘suck’ water from the sludge. The rate at which water permeates through the filter paper varies depending on the condition of the sludge and the filterability of the cake formed on the filter paper. The CST is obtained from two electrodes placed at a standard interval from the funnel. The time taken for the water front to pass between these two electrodes constitutes the CST.

The force generated by capillary suction is much greater than the hydrostatic head within the funnel, so the test is independent of the amount of sludge, as long as there is sufficient to generate the CST.

SSVI Equipment

The Stirred Specific Volume Index (SSVI) is used to determine the settling properties of an activated sludge. It is a simple test that is easy and quick to perform, and yet provides considerable information about the sludge settlement characteristics.

The SSVI can be used both in routine plant operation and it can be used for the design of a final sedimentation tank.

Click here to view a video which shows the characteristics and use of the SSVI test unit.

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ABOUT US

Instrumatics is a supplier of quality field instrumentation, offering a wide range of technology and more than 35 years in the business.
Our dedicated team of experienced engineers are able to specify appropriate instrumentation for given requirements.

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CONTACT US

Tel:  09 526 0096
Email: sales@instrumatics.co.nz
Address:
Suite 2, 19 Beasley Ave
Penrose
PO Box 22-671
Otahuhu
Auckland 1640