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Rotary press

A rotary press dewaters sludge using a cylindrical vessel housing two slowly-rotating (at < 2 RPM) circular permeable screens which are sandwiched together. The sludge enters the channel formed between the two screens and follows a circular path around the channel at a small applied pressure, the water (or filtrate) passing through the screen as the sludge passes along the channel.

Rotary press related videos

Sludge solids separation theory Source: Judd Water & Wastewater Consultants /

Sludge solids separation theory

Sludge solids separation theory − a brief introduction to the theories around sludge sedimentation, cake filtration and cake compression.

Rotary press features and blogs

Blog eu biosolids disposal header
Blog

Biosolids vs sewage sludge

Biosolids are usually considered to be the useful fraction of the sewage sludge. They are generally higher in solids concentration and lower in pathogen content, having gone through a stabilisation process such as chemical dosing, digestion and/or drying.

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