Agriculture
January 24, 2024
AidGear Oasis-3 Water Purification System
Read SolutionImplemented by
AidGear
Updated on September 20, 2020
·Created on August 27, 2015
Shield 1000 Drinking Water Purification System is a LED-powered water purification unit.
The Shield 1000 is a water purification system designed by Puralytics which is useful for removing pathogens (bacteria, virus, protozoa), chemical contaminants (personal care products & pharmaceuticals), herbicides, and pesticides. The technology uses a photocatalytic nanotech fiber mesh to destroy contaminants in water. The Shield aims to improve humanitarian response by enabling access to safe drinking water while reducing water-borne diseases.
Target Users (Target Impact Group)
Distributors / Implementing Organizations
This product has been implemented by Roddenbery Disaster Response Team, and Puralytics.
Manufacturing/Building Method
The product is produced in batches to meet specific requirements. Interview with representative
Intellectural Property Type
Patent Protected
User Provision Model
This product is distributed by Puralytics (or another retailer), humanitarian organizations, governmental agencies, and non-profits to disaster relief and refugee settlements.Interview with representative
Distributions to Date Status
Unknown
Description of the combined methods
LED and nanotechnology mesh fiber
Manufacturer-specified water treatment rate (L/hr)
3154 L/hr
Bacteria reduction
6 log
Virus reduction
4 log
Protozoa reduction
4 log
Heavy metals and/or arsenic reduction
Yes, reduction rate unknown
Maximum recommended influent turbidity level (NTU)
Unknown
Effluent turbidity levels (NTU)
<5 NTU
Safe water storage capacity (L)
No
Manufacturer-specified lifetime volume (L)
150,000-340,000 L (Cartridge lifetime)
Consumables
Electricity
Design Specifications
The patented Puralytics® process employs LEDs to excite a nanotechnology mesh which purifies water following five-step light-activated purification processes. The five-step process includes:
Technical Support
Technical support is provided by Pure Health Water, an authorized dealer of Puralytics. Interview with representative
Replacement Components
Some of the replaceable components for Field Shield 1000 includes;
Lifecycle
The LEDs will illuminate with full power for about 3 years. Replacements are only available if the products are shipped back to Puralytics. Interview with representative
Manufacturer Specified Performance Parameters
The designer specified performance targets include: 100% water recovery, removal of emerging contaminants (personal care products & pharmaceuticals), herbicides and pesticides, pathogens (bacteria, virus, protozoa), and industrial chemicals (petrochemicals, toxins) with no chemical consumables, and low generation of waste.
Vetted Performance Status
Unknown
Safety
Once a year maintenance schedule is recommended. The owner's manual provides detailed safety information.
Complementary Technical Systems
Activated carbon filter and ion-exchange technology. Interview with representative
Academic Research and References
Frederickson, J., 2014, Field Shield.
Chen, J. et al., 2003, Application of nano TiO2 towards polluted water treatment combined with electro-photochemical method, Water Research, 37(16), pp.3815-3820.
Rung, S., 2012, From Technology Push to Market Pull: Commercializing Nanoscience Research via Startups and Spinouts.
Laurance, J., 2016, Photocatalytic Treatment of Stormwater Runoff using Puralytics LilyPad.
Dossin Zanrosso, et al., 2020, Solution mixing preparation of PVDF/ZnO polymeric composite films engineered for heterogeneous photocatalysis, Journal of Applied Polymer Science, 137(9), p.48417.
Compliance with regulations
Meets US EPA Guidelines for Microbiological Water Purifiers Pathogen Reductions: Bacteria 99.9999%; Viruses 99.99%; Protozoa (cryptosporidium, giardia) 99.9%
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