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If you would like to support us in our work promoting sludge processing, we would very much appreciate it!

A bit about provides information for everyone interested in sludge processing for water or wastewater treatment − practitioners, researchers and technology and service providers.

We also aim to promote sludge processing to the wider world, by introducing the subject to those new to the field. All our content is free and on an open-access basis, and we produce in-depth technical features and case studies with specialists and experts, for the benefit of all. 

You can support us by: 
* buying us a coffee 
* booking a one-hour consultancy Zoom with Simon Judd - (see Extras). 

Other ways to support us include advertising, writing for us or getting your company listed in our directories. Contact us on [email protected] for more information. is owned by Claire and Simon Judd (Judd & Judd Ltd), based in Bedfordshire in the UK.

Thanks in advance for your support!