Process Description

Siemens Water Technologies Equipment

• Sludge heaters, heat exchangers, digester covers, gas and hydraulic mixing systems, gas handling
• Temperature-phased anaerobic digestion (TPAD)

Enhanced anaerobic digestion
(Reduces volume; reduces pathogens)

• Dystor® membrane gas storage system

Stabilization via aerobic digestion
(Reduces volume; removes pathogens)

• Aerobic digestion equipment and system

Stabilization via lime
(Reduces pathogens; adjusts pH)

• Lime slakers, tank-feed systems for hydrated lime, Encore® or Chemtube® PPS pumps
• WHM bulk chemical handling systems

Composting
(Converts biosolids and municipal solid waste to quality compost)

• IPS® composting system

Thickening
(Removes water to thicken solids)

• Gravity belt thickener 
• Float-Treat® dissolved air flotation thickener
• Gravity thickener

Dewatering
(Removes water from biosolids)

• Dynamic and Static Radial Wedge belt press, compact belt press (generates up to 25% dry solids)
• J-Press® sidebar and overhead filter press (generates up to 45% dry solids)

Dewatering/Drying
(Creates pathogen-free solids)

• J-Vap® dewatering/drying system (generates up to 95% dry solids)

Drying
(Creates dried, pathogen-free product)

• Convective Thermal Dryer, Sludge Belt Dryer, and  Ecoflash® Thin Layer Dryer (dries biosolids and organic wastes to 95%)

Handling systems
(Store, transport, mix biosolids)

• Mixers

• ZABOCS™ biological odor control system, LO/PRO® odor control scrubber system, and Poly-Stage scrubber system
• Carbon adsorbers
• BIOXIDE-AQ® spray system; ODOPHOS® feed system; ODOFREE feed system

• Systems and services – Control Systems