Process Description |
Siemens Water Technologies Equipment |
| Stabilization via anaerobic digestion (Reduces volume; reduces pathogens to Class A or B levels) |
- Sludge heaters, heat exchangers, digester covers, gas and hydraulic mixing systems, gas handling
- Temperature-phased anaerobic digestion (TPAD)
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Enhanced anaerobic digestion
(Reduces volume; reduces pathogens) |
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Stabilization via aerobic digestion
(Reduces volume; removes pathogens) |
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Stabilization via lime
(Reduces pathogens; adjusts pH) |
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Lime slakers, tank-feed systems for hydrated lime, Encore® or Chemtube® PPS pumps
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WHM bulk chemical handling systems |
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Digestion/Pasteurization
(Reduces pathogens) |
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DUOTHERM™ process (yields high gas levels; less odor in final Class A-approved product) |
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Composting
(Converts biosolids and municipal solid waste to quality compost) |
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Thickening
(Removes water to thicken solids) |
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Dewatering
(Removes water from biosolids) |
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Radial belt press, compact belt press (generates up to 25% dry solids)
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Horizontal sludge decanter (generates up to 35% dry solids)
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Dewatering/Drying
(Creates pathogen-free solids) |
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Drying
(Creates dried, pathogen-free product) |
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Incineration
(Combusts biosolids, reduces volume, recovers energy) |
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Handling systems
(Store, transport, mix biosolids) |
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| Odor control |
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| Instrumentation & Controls |
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