DriftPure HelioJal Fresnel Lens Solar Desalination¶
Desalination & Distillation • Est. CapEx: Low-Cost / Locally Fabricated • Lifespan: 7–15 Years
Technical Overview¶
Indian startup DriftPure offers the HelioJal System, designed to deliver electricity-free freshwater in rural coastal areas. It uses concentrated solar thermal energy via Fresnel lenses combined with a heat recovery loop to desalinate seawater.
Key Specifications & Engineering Parameters¶
| Parameter | Specification |
|---|---|
| Category | Desalination & Distillation |
| Capital Cost (CapEx) | Low-Cost / Locally Fabricated |
| Power / Energy | Solar PV / Thermal |
| Target Scale | Community Scale |
| Standard Lifespan | 7–15 Years |
| Technology Maturity | Prototype |
| Primary Mechanism | Linear Fresnel lenses concentrate sunlight onto a thermal evaporator surface. The collected heat drives evaporation of seawater, and an integrated heat exchange system recovers thermal energy from the condensing freshwater to preheat incoming saline feed, improving overall efficiency. |
Cross-Reference & Interactive Tools¶
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