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122 contributions
68 ideas
22 final ideas
Announced!
Ongoing

Concepting

Our Concepting phase has concluded. We took everything we learned during the Research phase and used those insights to develop our own creative ideas to address the challenge question. Check out the fresh thinking and head over to the current phase to join our collaborative efforts. Also:  Click here to read a quick overview of some of the existing solutions that the team found in Kumasi.

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A Swedish startup has created a chamber pot that is comfortable to sit on that also doubles as a tightly sealed, odor-containing watering can. By diluting the urine with water, the resultant fertilized can be used to increase plant growth/crop yields. More info at http://www.guldkannan.se/english.aspx

A Swedish startup has created a chamber pot that is comfortable to sit on that also doubles as a tightly sealed, odor-containing watering can. By diluting the urine with water, the resultant fertilized can be used to increase plant growth/crop yields. More info at http://www.guldkannan.se/english.aspx

Photo of Vincent Cheng
1 4

Open defecation and human waste disposal is gravely unsanitary. It's practice can contaminate drinking water and soil and cause disease and illness to quickly spread throughout a community.  What if people in poor communities were paid to practice proper sanitation?

Open defecation and human waste disposal is gravely unsanitary. It's practice can contaminate drinking water and soil and cause disease and illness to quickly spread throughout a community. What if people in poor communities were paid to practice proper sanitation?

Photo of Demian Repucci
5 1

Find a way to enable families to afford a latrine purchase even with their limited cash flow.  Many are already spending some money on latrine usage ($0.10-0.20 per use).  Leverage this existing expenditure to finance a latrine.

Find a way to enable families to afford a latrine purchase even with their limited cash flow. Many are already spending some money on latrine usage ($0.10-0.20 per use). Leverage this existing expenditure to finance a latrine.

Photo of Jeff Chapin
3 9

Building a toilet and taking responsibility for proper waste management is a big deal.  It's good for a family and it's better for the community.  Find some way to celebrate it.

Building a toilet and taking responsibility for proper waste management is a big deal. It's good for a family and it's better for the community. Find some way to celebrate it.

Photo of Jeff Chapin
4 8

An improved bucket latrine that tries to solve the issues of past bucket latrines.  From the research, it seems that bucket latrines had high adoption in Kumasi but failed because of service/collection issues.  It is also very much in line with the 'pee-poo version 2'  concept from Vincent.

An improved bucket latrine that tries to solve the issues of past bucket latrines. From the research, it seems that bucket latrines had high adoption in Kumasi but failed because of service/collection issues. It is also very much in line with the 'pee-poo version 2' concept from Vincent.

Photo of Jeff Chapin
4 6

Water and sewage infrastructure have been essential to most european cities success, wealth and prosperity. I wish we could do a big knowledge transfer and technology jump. With very little infrastructure required we could help apply and implement similar results in cities and areas where it is extremely difficult to start to build sewers and water pipes under housing areas below ground or in slumlike areas like for instance Dharavi, Mumbai or in cities close to oceans or big rivers. (or in areas that are stricken often with earthquakes)

Water and sewage infrastructure have been essential to most european cities success, wealth and prosperity. I wish we could do a big knowledge transfer and technology jump. With very little infrastructure required we could help apply and implement similar results in cities and areas where it is extremely difficult to start to build sewers and water pipes under housing areas below ground or in slumlike areas like for instance Dharavi, Mumbai or in cities close to oceans or big rivers. (or in areas that are stricken often with earthquakes)

Photo of Johan Löfström
2 3

Community Sanitation Engineers for Kumasi-To truly transform the sanitation situation in Kumasi will require the education of a new class of professionals to do the actual work of sanitation, and the work of educating hundreds of thousands of people on how and why to participate in keeping their neighborhood and city clean and free from waste borne disease.

Community Sanitation Engineers for Kumasi-To truly transform the sanitation situation in Kumasi will require the education of a new class of professionals to do the actual work of sanitation, and the work of educating hundreds of thousands of people on how and why to participate in keeping their neighborhood and city clean and free from waste borne disease.

Photo of Sabra Marcroft
4 8

A lesson from catty litter: toilets to be made out of bio-degradable, locally or centrally sourced absorbant materials, absomix, such as sand, sawdust or ash. After use, and just like our professors do (cats), absomix is scattered, maybe with foot scuff, over the waste. Now the lesson from dogs; take one bio-degradable doggy poop bag place it over hand and pick excrement into bag and seal. Bingo! Separation of urine and excrement!

A lesson from catty litter: toilets to be made out of bio-degradable, locally or centrally sourced absorbant materials, absomix, such as sand, sawdust or ash. After use, and just like our professors do (cats), absomix is scattered, maybe with foot scuff, over the waste. Now the lesson from dogs; take one bio-degradable doggy poop bag place it over hand and pick excrement into bag and seal. Bingo! Separation of urine and excrement!

Photo of Ossian Hynes
0 3

A disc restroom is a circular public restroom that is elevated above ground level.  Part of its functional structure is a portable disc, which is built to the alignment of the restroom floor to receive human wastes.  See vedios for more details.  The first video is a prelude to Disc Restroom.  The second video is a direct interpretation on the disc restroom.
A disc restroom is a circular public restroom that is elevated above ground level. Part of its functional structure is a portable disc, which is built to the alignment of the restroom floor to receive human wastes. See vedios for more details. The first video is a prelude to Disc Restroom. The second video is a direct interpretation on the disc restroom.

A disc restroom is a circular public restroom that is elevated above ground level. Part of its functional structure is a portable disc, which is built to the alignment of the restroom floor to receive human wastes. See vedios for more details. The first video is a prelude to Disc Restroom. The second video is a direct interpretation on the disc restroom.

Photo of Idia Idiou
0 2

The Product named "Kopper" was developed as an Honours Project at UWS's Industrial Design Program. It is a sustainable hand washing device for the third world and areas struck by natural disaster. It converts contaminated water into highly effective anti-microbial cleaning agent by processing it through a filtration and electrolysis system. The system allows the user to clean their hands with approximately 5-20 ml of electrolysed water. To operate the device the user simply squeezes in the push pads and draws water through the filtration system. The Filtered water can then be pushed through the electrolysis system via the multi purpose hand pump/ push pads.

The Product named "Kopper" was developed as an Honours Project at UWS's Industrial Design Program. It is a sustainable hand washing device for the third world and areas struck by natural disaster. It converts contaminated water into highly effective anti-microbial cleaning agent by processing it through a filtration and electrolysis system. The system allows the user to clean their hands with approximately 5-20 ml of electrolysed water. To operate the device the user simply squeezes in the push pads and draws water through the filtration system. The Filtered water can then be pushed through the electrolysis system via the multi purpose hand pump/ push pads.

Photo of Balin Lee
0 7

Unmanaged open field toilet practice is a waste of resources and a missed opportunity. This 'natural' resource needs to be utilized!  Not only that, but the entire experience needs to be rebranded and re-presented so that the community does not ostracize it but, instead, embraces it as a vital resource to be capitalized on.

Unmanaged open field toilet practice is a waste of resources and a missed opportunity. This 'natural' resource needs to be utilized! Not only that, but the entire experience needs to be rebranded and re-presented so that the community does not ostracize it but, instead, embraces it as a vital resource to be capitalized on.

Photo of Demian Repucci
8 3

The Women’s Sanitation Union of Kumasi is a neutral organization with a CHARTER signed by Unilever, the Kumasi government and the ‘population’ which will champion, promote and monitor healthy and safe sanitation solutions in Kumasi.

The Women’s Sanitation Union of Kumasi is a neutral organization with a CHARTER signed by Unilever, the Kumasi government and the ‘population’ which will champion, promote and monitor healthy and safe sanitation solutions in Kumasi.

Photo of niko herzeg
5 7

In South African townships I noticed that many residents take an informal ownership over the public toilet located near their house. In some cases this means charging people in the street, or visitors to the area to use the toilet. The 'owner' usually has a key to the toilet to ensure it is not vandalised. I also noticed the social spaces created around the toilet/laundry areas. Amplifying these ideas, infrastructure could become a business whereby a local trader sells goods such as toilet paper & hot water (solar powered?) in return for services - maintenance of the infrastructure.This would create an economy around the service point that would also provide jobs for residents, and ensure the maintenance of the facility which is a core problem.

In South African townships I noticed that many residents take an informal ownership over the public toilet located near their house. In some cases this means charging people in the street, or visitors to the area to use the toilet. The 'owner' usually has a key to the toilet to ensure it is not vandalised. I also noticed the social spaces created around the toilet/laundry areas. Amplifying these ideas, infrastructure could become a business whereby a local trader sells goods such as toilet paper & hot water (solar powered?) in return for services - maintenance of the infrastructure.This would create an economy around the service point that would also provide jobs for residents, and ensure the maintenance of the facility which is a core problem.

Photo of Charlotte Fliegner
2 7

The New Alchemy Institute (USA) tire pump could be a great concept for an approtech for latrine and septic tank emptying. Built using locally available materials easily found in the developing world and produced using processes well within the capabilities of entrepreneurial fabricators in low income urban communities this low cost pump repurposed from water to sewage pumping could have great potential for job creation and income generation (through charging for tank emptying).

The New Alchemy Institute (USA) tire pump could be a great concept for an approtech for latrine and septic tank emptying. Built using locally available materials easily found in the developing world and produced using processes well within the capabilities of entrepreneurial fabricators in low income urban communities this low cost pump repurposed from water to sewage pumping could have great potential for job creation and income generation (through charging for tank emptying).

Photo of Mark
1 6

The concept has the objective: Allow people bought cards for use of health claims with a number of pre-defined, and when they want according to your availability of funds; Encourage the use of adequate sanitary facilities with more often; Create special conditions and attractive to women and children; Partnership between provide small businesses, local government, NGOs and large international companies and stimulate the consumption of toiletries.

The concept has the objective: Allow people bought cards for use of health claims with a number of pre-defined, and when they want according to your availability of funds; Encourage the use of adequate sanitary facilities with more often; Create special conditions and attractive to women and children; Partnership between provide small businesses, local government, NGOs and large international companies and stimulate the consumption of toiletries.

Photo of Alessandro Ortega
4 11