Safe Water Book
The Safe Water Book by Folia Water is book made up of pages that filter water.
The Safe Water Book, a product by Folia Water is both a water filter and an instruction manual for how and why to clean drinking water. This product was discontinued in 2016 and has been replaced by Folia Filters, which use the same filtration technology but are redesigned into a cone-shape based on user feedback.
This product was discontinued as of July 2016.
Not available for purchase as of July 2016.
Household water treatment methods and products available in local market.
Goal 6: Clean Water and Sanitation
People without access to safe drinking water.
Patent pending (US Serial No 62/153,395)
This product was discontinued in July 2016.
Is this filter designed for individual, household, or community use?
Manufacturer-specified flow rate (L/hr)
Laboratory-evaluated log scale removal rate of bacteria
Does the system use microfiltration, ultrafiltration, nanofiltration, or reverse osmosis?
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
Manufacturer-specified maximum level of inlet turbidity (NTU)
Range or value of outlet turbidity levels (NTU)
Description of materials of construction
Is there safe water storage integrated into this product?
What is the total number of liters that is recommended can be filtered?
The pages of the book consist of bleached softwood kraft pulp that are embedded with silver nanoparticles.
Provided by manufacturer or distributor
Each page can treat 100 liters of water and each book can last for up to 4 years.
Filter papers remove bacteria from water.
Between 4.8 and 5.1 log reduction of total coliform concentration in water filtered through the paper.
Safe storage container to protect treated water from recontamination.
Theresa A Dankovich, Jonathan S Levine et al. Inactivation of bacteria from contaminated streams in Limpopo, South Africa by silver or copper nanoparticle paper filters; Environment Science: Water Research and Technology, 2016.
Theresa A Dankovich, Derek G. Gray, Bactericidal Paper Impregnated with Silver Nanoparticles for Point-of-Use Water Treatment, Environ. Sci. Technol. 45(5), 2011.
Silver and/or copper elution is reported to be below USEPA secondary guideline values.
Field and laboratory evaluations
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