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

Watermaths book cover, third edition - largely white with an image in blue of bubbling water

Watermaths - 3rd edition ebook out now

Watermaths: Process Fundamentals for the Design and Operation of Water and Wastewater Treatment Technologies − available as an ebook

Topic

Sludge treatment − alkaline stabilisation

Alkaline stabilisation is a chemical method to reduce sludge odour and putrescence, and the 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

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

Latest features and blogs

Fig. 4. SP filtrate and acidified sludge samples

Feature

Phosphorus recovery by sludge acidification and dewatering

A pilot-scale Danish study of phosphorus extraction from acidified anaerobic and aerobic sludge samples has revealed removal to be more effective from anaerobic sludges, even though the digested sludge alkalinity increases the total acid demand.

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