Contaminated Sludge Disposal

Our sludge treatment recovers usable resources from contaminated sludge, including wastewater and biosolids, while minimising harm to the environment.

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Contaminated sludges

Cleanaway offers a complete service for contaminated sludges, including sewage sludge. Sludge usually consists of mainly water with lesser amounts of solid material removed from liquid waste.

Contaminated sludge may be a by-product in various industries, such as food and beverage, and consists of wastewater and sewage, containing pathogens and trace amounts of dangerous metals and chemicals.

However, when sludge contaminants are removed, the resulting resource can be treated and reused as biosolids and as a beneficial soil conditioner. The liquids may be turned into greywater, allowing you to reuse the water on your premises if possible.

Contaminated sludge treatment and disposal

Contaminated sludge, such as sewage sludge, can be treated in several ways, depending on the sludge contaminants withinMost treatmentbegin with reducing the water content in the sludge, which results in two products: a dewatered sludge and liquid castoffThe sludge may then be treated to recover resources such as phosphorus.  

The contaminated sludge may then be put through a digestion phase, where it may be used to generate energy or turned into compost and biosolids for non-agriculture purposesContaminated sludge that cannot be treated will be incinerated.  

Pre-service inspection
Pump out 

Key customers

Food and beverage manufacturing

Our services help your business close the loop on food waste and reduce wastage.


Cleanaway’s comprehensive waste services can keep your sewage system running while minimising waste and environmental harm.

Why choose Cleanaway 

Tailored services

Customised to fit your budget and business needs.

Specialised fleet

Purpose-built fleet and experienced drivers to service your business.

Safety first

Certified with all relevant local and regional authorities.

More solutions for Hazardous Regulated Waste

A reliable hazardous waste solutions provider is key to minimising risks to your staff, site and the environment.
Interested in a Cleanaway service?

Contact us directly on 13 13 39 or fill up one of these short forms. We will get back to you as soon as possible with your request or booking.

Find your nearest Cleanaway team

We are in every major city and region in Australia. Chances are you will find us not too far away from where you are. We’re in Sydney, Melbourne, Brisbane, Adelaide, and Perth, as well as Karratha, Rockhampton, Newcastle, Geelong, Port Augusta, Albury, and more.