The SolarBag disinfects chemical contamination in drinking water via a nanotechnology-coated mesh, which is activated by the sun. The SolarBag is compact in size and relatively light weight making it suitable to ship to areas of humanitarian need.
Countries include: Afghanistan, Australia, Azerbaijan, Bangladesh, Belgium, Cameroon, Canada, China, Cuba, Democratic Republic of Congo, Denmark, Ecuador, Egypt, El Salvado, Equatorial Guinea, Ethiopia, France, Germany, Ghana, Guatemala, Haiti, India, Indonesia, Iraq, Ireland, Japan, Kenya, Kazakhstan, Korea, Kuwait, Malawi, Malaysia, Marshall Islands, Mexico, Netherlands, Nicaragua, Nigeria, Pakistan, Peru, Philippines, Rwanda, Seychelles, Singapore, South Africa, South Sudan, Spain, Sudan, Switzerland, Taiwan, Tanzania, Thailand, Turkey, UAE, Uganda, UK, USA, Vietnam
Target users include rural households, victims of humanitarian crises and travelers.
The SolarBag is available for purchase online. During humanitarian crisis, NGOs/nonprofits and governmental agencies can order in bulk from Puralytics. End-user likely to receive as donation.
<50,000 (targeted 50,000 by end of 2015) Interview with representative
Bag Dimensions: Total Height: 39.9 cm, Total Width: 24.5 cm, Bag Height: 36.6 cm, Weight: 104 g ,Capacity: 3.5 liters
The SolarBag is filled with water, and set horizontally in the sun for 2-6 hours depending on both water quality and weather conditions.
In-depth FAQ section is available on Solarbag’s website, which addresses most questions about product use.
Unknown. Since the product handles contaminated water, any defects will most likely compromise the product and require the product to be disposed of.
Removes the following from water: Bacteria, Viruses, Protozoa, Herbicides, Pesticides, Herbicides, Petrochemicals, Pharmaceuticals, Arsenic, Lead, and Mercury. The self-cleaning mesh does not clog, and the water tastes clean after disinfection. Eliminates 99.9999% of bacteria, 99.99% virus, 99.9% protozoa, removes heavy metals and destroys manmade chemicals.
Manufacturer Evaluations 92% of SolarBags functioned normally throughout first 6 months of trial use. 77% were fully functional even after 6 months.
Puralytics field testing conducted in Malawi from 2013 and third party testing. Interview with representative
SolarBag is unsafe if there is a leak or the activated mesh is compromised. If water is highly turbid or contains sediment, filtering the water or allowing sedimentation to occur will improve the resulting water quality. Saline waters need to be desalinated in conjunction with the use of the SolarBag, as it will not remove salt.
For overcast days, the SolarBag comes with Pur-Blue Process Timer, a blue indicator dye that turns clear once the water has been purified. A single drop per bag indicates whether water is ready for drinking.
David E. Reisner and T. Pradeep. Aquananotechnology Global Prospects. CRC Press Taylor & Francis Group, 2015.
Naranjo, J.E., Gerba, C.P., Microbiological water purification without the use of chemical disinfection. Wilderness Environ Med. 2000 Spring;11(1):12-6.
Owen, M.D., Hawkins, T., Light-activated nanotechnology for drinking water purification. Aquananotechnology: Global Prospects. CRC Press. 2015.
Burleson, G.E., Water treatment technologies for the developing world. Oregon State University:Corvallis, OR, 2016 Mar 2.
Byrne, J.A., et. al., A Review of heterogeneous photocatalysis for water and surface disinfection. Molecules. 2015, 20(4) 5574-5615.
Solarbag exceeds highest water quality testing standards from WHO and the EPA; Meets National Standards in Turkey, Kenya, Cameroon, Japan, USA, Mexico, Malawi
U.S. EPA Standard and Protocol for Evaluation of Microbiological Water Purifiers have been cited by Puralytics. Testing was conducted at the University of Arizona; World Health Organization Protocols
Information video about Solarbag.
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