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Activated Sludge Plant (ASP)

The Activated Sludge Plant is the heart of most recently built treatment plants for municipal sewage treatment and many industrial effluent plants. The activated sludge plant must maintain a careful balance between the biologically active ‘bugs’, the amount of dissolved oxygen, and the load or suspended solids. The use of instrumentation is vital to optimising this process.

The ASP process involves the addition of air (oxygen) this is the most energy hungry part of the sewage treatment process and therefore benefits the most from our accurate and reliable measurement devices. Dissolved Oxygen monitoring has been a key measurement both for energy saving and for maintaining a balanced process, supplementary measurements such as Suspended Solids, pH, Redox/ORP, and Temperature combine to facilitate sophisticated process control.

For specialist advice call:

+44 (0)1726 879800

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Dissolved Oxygen

Dissolved Oxygen is the key measurement in optimising the operation of Activated Sludge Plants

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Mixed Liquor Suspended Solids (MLSS)

Measuring Suspended Solids in Mixed Liquor is a critical part of controlling and optimising the treatment process, ensuring effective treatment while reducing energy use

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Returned Activated Sludge (RAS or Suspended Solids)

RAS measurement will ensure that the solids being returned to the activated sludge plant are in the right concentration range

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Measurement of Suspended Solids is key to reliable process control of activated sludge plants and is frequently prescribed as a discharge consent parameter

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Simple yet effective measurement to aid the control of activated sludge plants and as a discharge monitor

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+44 (0)1726 879800

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