Updated on January 3, 2024

·

Created on August 27, 2015

Life Sack

Discontinued
Distributed Under a Philantropic Model

A UV-activated water purification bag with a capacity of 20 L.

Developed By
  1. Jung Uk Park, Myeong Hoon Lee, and Dae Youl Lee
Content Partners
Unknown

Author

Product Description

The Life Sack uses Solar Water Disinfection Process (SODIS ) technology to filter contaminated water. UV-A-radiation and the bag’s thermal treatment process work to treat water. The sack can also be worn as a backpack for transport from the source to the community and carries up to 20L of water. It is suggested that the Life Sack is used to ship grains and other food staples to communities in need, once the food aid is stored, the bag is converted for use as a water purifier.

This product was discontinued in 2018.

Target SDGs

SDG 6: Clean Water and Sanitation

SDG 3: Good Health and Well-Being

Target Users (Target Impact Group)

Household

Distributors / Implementing Organizations

The product is distributed and implemented by humanitarian aid organizations.

Competitive Landscape

Direct competitors include Solarbag.

Manufacturing/Building Method

The main material of construction of this product is polyvinyl chloride, with a 15nm filter system barrier before the output water valve. The sack has straps on it for easy transport on users back.

Intellectural Property Type

Select Type

User Provision Model

This product was distributed by humanitarian organizations.

Distributions to Date Status

Unknown

Deactivation mechanism

UV-A, thermal

Energy source

Solar

Manufacturer-specified water treatment rate (L/hr)

3.33 L/hr

Bacteria reduction

Unknown

Virus reduction

Unknown

Protozoa reduction

Unknown

Heavy metals and/or arsenic reduction

None

Maximum recommended influent turbidity level (NTU)

Unknown

Effluent turbidity levels (NTU)

Unknown

Safe water storage capacity (L)

20 L

Design Specifications

The Life Sack has an internal filter that works with ultraviolet (UV) light and removes microbes and germs bigger than 5 nanometres. The bag has to be filled with water and then left in the sun for six hours to make sure all the microbes are destroyed.

Product Schematics

Technical Support

None available, this product is discontinued and there's no more support.

Replacement Components

None

Lifecycle

Unknown

Manufacturer Specified Performance Parameters

The designers aim to provide a solution that can serve as a water purification device but also as a container for shipping grains and other food staples.

Vetted Performance Status

Unknown

Safety

No known safety hazards.

Complementary Technical Systems

The product can be reused as a food storage and transport device.

Academic Research and References

“Goal 6,” Sdgs.un.org. Available: https://sdgs.un.org/goals/goal6

“Life Sack,” Causetech.net. Available: https://causetech.net/innovation-zone/tech-inspirations/life-sack

Compliance with regulations

None

Evaluation methods

Unknown

Other Information

This product was discontinued in 2018.

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