Heliantis™ Solar Sludge Drying Brochure
Source: SUEZ – Water Technologies & Solutions
Heliantis™ transforms any type of dewatered sludge (minimum dry content: 15%) into a dry, granulated product with a dry-solids content that can be adjusted within a range of 35% to 85%. Using the sun as the main energy source, the sludge is dried in a greenhouse and a scarifiying machine turns over and breaks up the sludge into carbon-neutral and odorless granules, for eventual agricultural reuse or thermal energy production using co-incineration.
- Dewatered sludge is brought directly to the greenhouse as it is produced
- The rotary scarifier repeatedly turns the sludge, breaking it into granules and gradually moving it forward to the exit;
- As the sludge bed is heated by the sun, the water it contains evaporates
- The moist air is evacuated to maintain optimum moisture levels in the greenhouse
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