Makerere University, Uganda
A water filtration solution using locally sourced materials.
Thanks for the presentation. Can the customer replace the filter media themselves? How is this design an improvement on existing water filters?
Thank you so much Dr. Garvey for the question. For quality control, the customer can only fit back the middle compartment of the media themselves but the replacement of media inside is done at our factory/ sales representatives in the community. The middle compartment of our filter is sold as a complete sealed product, so the customer buys the compartment at a reduced fee of $3 already filled up with the materials and this is only every after 4 months when they return the previously used compartment with its media. This design is a great improvement to existing water filters… Read more »
Congratulations. how is you solution better than (https://csdw.org/pg-purifier-of-water-packets)?
Thank you so much Dr. Goldstein for the question. Our solution is by far better than P&G water packets for the reasons below. Cost : Our water filter costs $5 for the initial purchase by a customer, and $3 when replacing the filter media. The filter media is only replaced every after 4 months which means that it costs $1.25 every month to our customers. The P&G packets are priced at $19.99 for a 12 pack, yet the 12 packs can be used for only upto 12 days since each pack purifies only upto 10 liters of water assuming a… Read more »
The price for the P&G water purification packets was obtained from this website (https://www.engineeringforchange.org/solutions/product/pg-purifier-of-water/)