Agriculture
December 7, 2023
Rainfresh MP4U Gravity Filter
Read SolutionImplemented by
Envirogard Products Ltd
Updated on October 19, 2023
·Created on October 20, 2020
Gravity Water is a rainwater harvesting system service provider.
Gravity Water is a rainwater harvesting system delivery service organization that prioritizes local materials and labor to install systems. The organization installs water filtration into each system installed.
Target Countries
Costa Rica, Indonesia, Nepal, Puerto Rico, Vietnam
Target SDGs
SDG 6: Clean Water and Sanitation
Target Users (Target Impact Group)
Community
Distributors / Implementing Organizations
Gravity Water
Competitive Landscape
Direct competitors include RWC Rainwater Harvesting System and Isla Urbana Chaac Kit.
Manufacturing/Building Method
This product is produced by local contractors in each country of interest.
Intellectural Property Type
Open Source
User Provision Model
This product is distributed by Gravity Water.
Distributions to Date Status
By 2020, 24 systems had been installed.
Description of delivery service
Rainwater harvesting system with filtration
Water source type
Rainwater
Integrated treatment (yes/no)
Yes
Design Specifications
Gravity Water installs rainwater harvesting systems unique to each project and country. Each system is installed with a three-tier filtration system. Pre-filtration first takes place with a 5-micron carbon block filter to remove microbes and particulates. A second 5-micron carbon block filter provides secondary filtration to this end. Finally, a 0.1-micron hollow-membrane water filter is used to remove the remaining microbial life. Each design is custom-made.
Technical Support
Provided by the manufacturer.
Replacement Components
Micro-filtration within the system.
Lifecycle
Unknown
Manufacturer Specified Performance Parameters
The Gravity Water tank system is composed of a three-tier filtration system is designed to remove particulates, lead, heavy metals, chemicals, and all odor and taste associated with the water that enters the water tank system (5-micron carbon block filter ) and to remove 99.99999% of all bacteria, such as Salmonella, cholera and E. coli and 99.9999% of all protozoa, such as Giardia and Cryptosporidium (0.1-micron hollow-membrane water filter).
Vetted Performance Status
Unknown
Safety
Unknown
Complementary Technical Systems
Unknown
Academic Research and References
Get involved Gravity Water. Available here
Distribution status information available here
“RWC Rainwater Harvesting System,” Engineering For Change, 05-Oct-2020. Available: https://www.engineeringforchange.org/solutions/product/rwc-rainwater-harvesting-system/
“Isla Urbana Chaac Kit,” Engineering For Change, 01-Oct-2020. Available: https://www.engineeringforchange.org/solutions/product/isla-urbana-chaac-kit/
“Goal 6,” Sdgs.un.org. [Online]. Available: https://sdgs.un.org/goals/goal6
Compliance with regulations
Unknown
Evaluation methods
Unknown
Other Information
None
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