Sludge Treatment

Treatments for sludge reuse/disposal to remove water, reduce volume and conserve recovery potential.

Treatments for sludge reuse/disposal to remove water, reduce volume and conserve recovery potential.

What is Sludge Treatment?

Sludge is the semi-solid matter produced from various industrial processes, typically water treatment, wastewater treatment and sewage treatment. Sludge treatment refers to the range of processes used to reduce or remove potential health risks, remove water from the sludge and reduce its weight and volume, thus reducing disposal costs.

Sludge Treatment Processes

Veolia sludge treatment processes can now transform what was once considered a waste stream into a valuable resource. Municipal and industrial sludge treatment methods include dewatering, sterilisation, chemical stabilisation, thermal hydrolysis with biological treatment, sludge reuse and disposal, odour treatment and incineration, to name just a few. Sludge treatment technologies, such as anaerobic digestion, can cope with all kinds of organic, industrial or municipal sludge, reducing the volume of dry matter and maximising the production of odourless, reusable biogas.

Advantages of Sludge Treatment

Effective treatment of sludge provides tangible benefits:

  • The sludge volume is reduced
  • Water is recovered for potential reuse
  • Health risks associated with sludge are reduced or eradicated
  • Agricultural fertilizer can potentially be created
  • Sludge disposal costs are significantly reduced 

An ecological and economic wastewater odour-control system for a healthier environment.

Biological deodorisation process ensuring the total absence of odour-induced pollution.

Odour-monitoring software tracks environmental events to allow proactive odour management

Thermal sludge removal and energy recovery.


Our teams of industry experts work with you to supply the water technologies and services you need to overcome challenges in your market.

Solutions to design, build, maintain and upgrade municipal water and wastewater treatment facilities.

Delivering ingredient water and waste to resource services in the food and beverage industry.

Water treatment for the automotive industry to ensure business continuity and operational control.

Optimising quality, waste to energy and water treatment for chemicals/petrochemicals industries.

Water Treatment Technologies

Our wide range of technologies has been developed as a result of our team of technical experts closely following market trends and demands.

Sewage treatment incineration process that oxidises organic matter contained in sludge.

Technologies that physically, chemically or biologically suppress odour from treatment plants.

Slurry and sludge pumps designed for long life, low maintenance and optimum energy efficiency.

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