Agriculture
January 11, 2024
Jal-TARA Water Filters
Read SolutionImplemented by
TARA
Updated on December 12, 2023
·Created on September 27, 2018
Safi Water Filters are ceramic filters designed for households and community purposes in 2 size models.
Safi Water Filters are tabletop ceramic filters that come in two size ranges, the T9 Family Water Filter with a capacity of 18 liters suitable for a family and the T20 Group Water Filter with a capacity of 40 liters ideal for large families, clinics, offices, etc. These filters treat and store the water safely until consumption. This product has been discontinued as of 2020.
Target SDGs
SDG 6: Clean Water and Sanitation
Target Users (Target Impact Group)
Household, Community
Distributors / Implementing Organizations
Safi Water Treatment Solutions
Competitive Landscape
Direct competitors include Kohler Clarity Water Filter, Rainfresh MP4U Gravity Filter, and Tulip Table Top Filter.
Manufacturing/Building Method
The product is locally manufactured in bulk in Malawi by Safi Water Treatment Solutions. The water filter consists of an imported ceramic element and tap, installation hardware, two locally produced plastic containers and a locally produced filter cleaning brush.
Intellectural Property Type
Trademark
User Provision Model
Users can obtain the product by contacting Safi Water Treatment Solutions.
Distributions to Date Status
Unknown
Type of filter
Ceramic candle filter
Primary material of construction
Ceramic filter element contains colloidal silver and activated carbon
Additives
Heavy elements and chemical compounds
Manufacturer-specified flow rate (L/hr)
1.2-2.5 L/hr
Bacteria reduction
2 log
Virus reduction
Unknown
Protozoa reduction
Unknown
Heavy metals and/or arsenic reduction
Unknown
Maximum recommended influent turbidity level (NTU)
Less than 30
Effluent turbidity levels (NTU)
Unknown
Maintenance schedule
Every year
Manufacturer-specified lifetime volume (L)
T9 model: 7000 L
Safe water storage integration
T9 model: 9 L; T20 model: 20 L
Design Specifications
The filter consists of two chambers, one for pouring feed water and another for collecting filtered water. The T9 model has the capacity to hold 9 L of safe drinking water where as T2o has 20 L of safe drinking storage capacity. For the filtration, water is poured into the upper container and allowed to rest 3-5 hours as the flow rate is 1.5- 2.5 L per hour. The water then passes through the uniform pore sized ceramic candle and is collected in bottom shelve of water container.
Technical Support
None available, this product is discontinued.
Replacement Components
Replaceable components include the ceramic candle filter.
Lifecycle
1 year
Manufacturer Specified Performance Parameters
This filter was designed to reduce bacteria by 99% and store the filtered water in a sealed container.
Vetted Performance Status
Testing performed by the National Microbiology Reference determined a safe reduction in coliform contamination and did not show regrowth of bacterial colony in safe storage water.
Safety
No known safety hazards are related to this product.
Complementary Technical Systems
None
Academic Research and References
Fewtrell, L et al., 2017, A re-assessment of the safety of silver in household water treatment: rapid systematic review of mammalian in vivo genotoxicity studies, Environmental Health, 16(1), p.66.
Chaudhuri, M et al., 1994, Performance evaluation of ceramic filter candles, Journal of Environmental Engineering, 120(6), pp.1646-1651.
Oyanedel et al., 2008, Sustainable colloidal-silver-impregnated ceramic filter for point-of-use water treatment, Environmental science & technology, 42(3), pp.927-933.
Butkus, M.A et al., 2003, The efficacy of silver as a bactericidal agent: advantages, limitations and considerations for future use, Journal of Water Supply: Research and Technology—AQUA, 52(6), pp.407-416.
Compliance with regulations
The product is certified by the Ministry of Health, Malawi, and complies with the Malawi Bureau of Standards for drinking water.
Evaluation methods
The product is evaluated for removal of turbidity and bacteria in a certified laboratory, the National Microbiology Reference Laboratory. The product is also tested as a Household Water Treatment and Safe Storage (HWTS) solution.
Other Information
Safi Water: filter manual and assembly video.
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