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Home Process Wastewater Technologies Inc. is a leading manufacturer of products for biological wastewater, CSO/SSO treatment, and sludge thickening and dewatering. Submerged Aerated Filter This high-performance submerged aerated biological filter provides proven treatment of domestic and industrial wastes in hundreds of installations worldwide. The Submerged Aerated Filter (SAF) has few moving parts, requires very little maintenance and is easy to operate.
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Hybrid Biological Nutrient Removal The PWTech® Hybrid Biological Nutrient Removal (HBNR) process is a widely utilized technology for treating wastewater to a very high standard, particularly when stringent nutrients requirements are in force.
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Tipping Bucket Regular cleaning maintains combined sewer overflow (CSO) capacity and prevents septicity and odor problems associated with stagnant effluent. PWTech™ Tipping Buckets provide a simple yet robust solution for flushing retention tanks.
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FloatSep The FloatSep™ CSO baffle system takes advantage of complex hydrodynamics to consistently direct floating solids to treatment and allows clear flows to overflow to the outfall.
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SanSep The SanSep provides a much more efficient level of solids removal than other mechanical and static screening devices that are typically used in wet weather excess sanitary flow treatment.
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FLOCCSEP The FLOCCSEP process represents a totally new way of managing sewage, resulting in maximum cost savings in conventional equipment and greatly minimized environmental contamination.
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Treatment Shaft Process Wastewater Technologies and Applied Engineering Technologies (AET) have partnered together to develop a fully-automated, patented vertical treatment shaft process for CSO control systems. Cyclone This patented self-powered drum screen is ideal for applications such as storm water tank discharges, pumping station overflows, sewage treatment plant by-passes, and small combined sewer overflows.
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Raked Bar Screen The Raked Bar Screen is an efficient, reliable and cost-effective screening system for large combined sewer overflows (CSOs). It incorporates a horizontal fixed stainless steel bar-rack and a TIVAR screen comb.
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Volute Dewatering Press This innovative sludge dewatering product offers many advantages over conventional sludge management methods. Originally developed in Japan, the Volute Dewatering Press is patented worldwide, with more than 650 installations.
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  • A Fully Automated System
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Volute Thickener The PWTech™ Volute Thickener is a fully-automated, virtually maintenance-free unit using the "dewatering drum" design used for the Volute Dewatering Press.
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  • Volute Dewatering Press vs. Volute Thickener
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About Process Wastewater Technologies Inc. was formed in December, 2006 as the residual manufacturer of wastewater and combined sewer overflow (CSO) products when the parent company, CDS Technologies, Inc. was sold to CONTECH Construction Products Inc. Contact Us Contact the wastewater products experts at PWTech:
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Technology Partners PWTech has teamed up with Applied Engineering Technologies to provide an efficient, cost-effective CSO storage and treatment system in a footprint that is less than 15% of a surface storage system. PWTech Careers A career with Process Wastewater Technologies is an opportunity to be involved with a leading manufacturer of products for the wastewater and CSO treatment industry that makes a difference in communities throughout the United States. Terms of Use The terms users accept when they navigate to this site with regard to privacy, terms of access, and basic noticeboard use.
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