Sludge stabilisation

Lime slaking and dosing, Techmatic Source: Techmatic Engineering PTY LTD / YouTube

Lime slaking and lime dosing − an animation

An overview of lime dosing operations by Techmatic, for stabilising sludge

Sludge stabilisation hierarchy, showing alkaline and biological stabilisation methods

Topic

About sludge stabilisation

Stabilisation processes reduce the odour and putrescence of sludge, and level of pathogenic organisms

About SludgeProcessing.com

Launched in 2020, SludgeProcessing.com aims to be a leading source of information and guidance for everyone interested in sludge processing for water or wastewater treatment

Topic

Sludge treatment − alkaline stabilisation

Alkaline stabilisation is a chemical method to reduce sludge odour and putrescence, and the level of pathogenic organisms

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Foaming sludge in a rectangular concrete tank

Topic

Sludge treatment − lime and solids dosing

Chemical stabilisation of sludge reduces its odour, putrescence and pathogenic bacteria content

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Schematic of intensification of AD by thermal hydrolysis, showing thickening, TH, AD and post-AD DW. Coversion of biogas be CHP engine included.

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Pretty intense: the intensification of sewage sludge processes

Sludge intensification processes increase the sewage sludge solids concentration through thickening/dewatering or the biogas generation by digestion. But at what point do you stop extracting more water from the sludge or enhancing biogas production?

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