Technology for P recovery as phosphate salts from drinking water and waste water by the Crystalactor® water treatment process (ID:449)

Input material
waste water
Output product
calcium phosphate, magnesium phosphate or struvite
Processing capacity
na.
Technology Status
Available on the market
Keywords
zero-waste water treatment
waste-to-revenus
sustainable
Multi applicable
Technology description

The patented zero-waste Crystalactor® water treatment technology is used as advanced treatment of both drinking water and (industrial) waste water for removal of a large number of heavy metals and other inorganic compounds. The Crystalactor technology is a flexible technology that can be used for treatment of both large and small water flows.The heart of the Crystalactor treatment plant is the pellet reactor, partially filled with suitable seed material such as sand, garnet, or small crushed pellets.

Crystalactor is sustainable and cost-effective: it produces a valuable resource as revenue. Phosphorus is recovered in the form of calcium phosphate, magnesium phosphate or struvite by dosing lime or magnesium hydroxide, or a combination of caustic soda and magnesium chloride as reagents. Struvite formation occurs by dosing magnesium salts if the ammonium required for struvite formation is present in the water.The bulk of the phosphate is removed in the form of pellets from the reactor. Effluent filtration is usually required to remove suspended phosphate flocs that are present as carry over from the reactor. Other possible resulting resources are calcium carbonate, calcium fluoride, metal carbonates or hydroxides.

 

Basic information

Vendor:
Country:
Netherlands
Technology main category:
Phosphorus precipitation from liquid manure, waste water and drain water
Technology subcategory:
Phosphorus precipitation from wastewater/sludge

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