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PWTech's Volute Thickener can run on almost anything, whether it's municipal RAS/WAS, digested sludge, or high-FOG industrial wastewater feeds. This VT302 is working with an Aqua Prime filter to replace a primary clarifier with a far smaller, less expensive solution. While list capacity on the PWTech VT302 is 300 GPM, the advanced controls help this one achieve over 450 GPM thickening raw waste...

Haven't seen a Volute yet? They're becoming the popular choice for new construction, upgrade, and in-place replacement of older water treatment and wastewater dewatering equipment. PWTech's Volute Dewatering Press includes features unavailable on any other dewatering and thickening equipment to reduce operating costs and increase reliability, even under conditions that would force most biosolid...

Some screw presses use hydraulic rams, cones, or other complex methods to adjust pressure inside the press. PWTech's Volute Dewatering Press uses a simpler approach- two bolts are easy to adjust and hard to break. An ES350 drum like the one shown can dewater up to 700 pounds per hour of dry solids at maximum design load, or up to 70 GPM per drum. When combined into an ES356 Volute Dewatering Pr...

PWTech's Volute Dewatering Press uses the patented dewatering drum technology to increase solids capture and filtrate clarity, and reduce wash water use and maintenance. This ES350 drum is running at full speed while capturing 99% of suspended solids. The slowly moving rings allow the press to prevent clogging and binding of the screening surface, while a quick rinse turns on a few times an hou...

PWTech's Volute presses offer a unique option- buy what you need now, upgrade your dewatering capacity later. By purchasing a multi-drum model and reserving space for one or more drums, the modular Volute Dewatering Press allows you add 50%-200% increased throughput when your dewatering requirements increase.

With total suspended solids of up to 15% and lots of fats, oil and grease, this meat processing factory would quickly blind a belt press or conventional screw press. This little Volute ES201 is going strong at over 300 pounds of dry solids per hour, 400% of rated capacity!

With total suspended solids of up to 15% and lots of fats, oil and grease, this meat processing factory would quickly blind a belt press or conventional screw press. This little Volute ES201 is going strong at over 300 pounds of dry solids per hour, 400% of rated capacity!

This ES302 Volute Dewatering Press from PWTech uses precision cut stainless steel rings throughout the entire dewatering drum. As seen here, half of the rings are allowed to move with the screw's slow but constant rotation, while the other half are fixed in place. The combination of fixed and moving rings produces a self-cleaning screen that is practically impossible to clog or bind up, and all...

The Volute Dewatering Press from PWTech uses the patented Dewatering Drum to produce more dry cake from smaller presses than conventional screw press and belt press technology allows. Visit www.pwtech.us to learn more about the Volute.

The Volute Dewatering Press from PWTech uses the patented Dewatering Drum to produce drier cake from smaller presses with less electricity, wash water or maintenance than conventional screw presses and belt presses. This mid-sized ES302 uses a pair of 30cm/12" Dewatering Drums to produce up to 700 dry pounds of dewatered cake per hour. Visit www.pwtech.us to learn more about the Volute.

A walk-through of the Volute Dewatering Press. For a free pilot demonstration at your facility, contact PWTech via the big purple button at pwtech.us/ !