The case studies below illustrate where L'Eau's products have proven successful in treating tough reclamation issues while setting an industry standard for low cost of operation.
| Cooling tower blowdown reclamation | An 800 MW coal-fired electric power plant in the Southwest relies on very large evaporation ponds for cooling tower blowdown. Plant operators wanted to explore reducing the size of the ponds. The Dewvaporation process was used to cost-effectively reclaim waters from 1% brine blowdown to 20% brine, thereby reclaiming 95% of the water, with a projected reduction in evaporation pond area of an order of magnitude. [more] |
| VOC well water reclamation | Municipal well water was treated that contained toxic levels of TCE (tri-chloro ethylene). The contaminant was removed from 500ppb down to below detectable levels, at a direct operating cost of $0.15 per thousand gallons. Results for MTBE removal would be similar. [more] |
| Municipal potable water concentrate reclamation | A 30MGD municipal potable water treatment plant produces a 15,000 gpd concentrate which must be removed offsite at substantial per gallon expense. The concentrate was a solution of 14% brine plus 8% organic acids, and untreatable using other technologies. Use of a DV4000 tower demonstarted reclamation of 70% of waters as distillate, which will result in a substantial reduction in the offsite concentrate removal costs. [more] |
| Crystallizer for zero liquid discharge reclamation | A DV4000 tower was successfully tested for its ability to crystallize a saturated brine purge stream that was also contaminated with wastewater organics for compliance with ZLD requirements at a 1,000 MW electric power plant. The system can be powered by waste steam at the plant, leading to projected operating costs less than a tenth of that for a conventional crystallizer or spray drier. [more] |