Sanitation & Hygiene

Rope Pump Demonstration

Class-Research-Fieldwork: 
Status: 
Reviewed
People in Gomboi and Dwere do not have a source of safe drinking water; they currently walk a quarter mile to a river that tests indicate is highly contaminated with bacteria. In working with the community to develop a plan to build and finance a well/pump installation, we demonstrated how rope pumps work using modified bicycle parts.
Gomboi and Dwere

Urine Separating Toilet Seat

Class-Research-Fieldwork: 
Status: 
Reviewed
Composting toilets are currently expensive, but offer a promising alternative to pit latrines and have several advantages, among them the separation of urine from feces minimizes smell and allows the two to be used separately for fertilizer. Students are designing a process for locally manufacturing a urine separating toilet seat in Ghana.
Kumasi

Rua Viva

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
A team of USP and MIT students worked with the Bradesco organization to sustainably clean up a reurbanized city street in a favela, engaging the community and the local Bradesco school.
Manaus

GrubCycle

Class-Research-Fieldwork: 
Status: 
Reviewed
GrubCycle uses black soldier fly larvae to digest up to 50% of organic household waste, including excrement. Once the larvae grow into prepupae, they can then be harvested and sold to local vendors who process them as a source of protein in animal feed, generating income.
Nairobi

PieceMeal Vendors

Class-Research-Fieldwork: 
Status: 
Reviewed
PieceMeal Vendors is working to improve the livelihoods of vendors in the street stall/kiosk market by providing modular, stable, and affordable food carts. These carts will allow for increased food production, better quality food and improved safety, and enable vendors to expand their workspace through the purchase of add-ons.
Bangkok

Hand Washer

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
As part of a workshop to establish an Appropriate Technology Center at the regional Peace Corps transit house in Chipata, American and Zambian participants worked together to design and build a new type of low-cost hand-washing station.
Chipata

Bin-Bin Composting Toilet

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
D-lab students and community partners built a composting toilet that costs less than $70 USD (compared to $200 USD for a standard pit latrine). These toilets have the potential to help manage human waste and to produce fertilizer for crops. The system (shown here under construction) includes urine diversion and a separate composting bin.
New Longoro

Movilavadora

Class-Research-Fieldwork: 
Status: 
Reviewed
The movilavadora is a pedal-powered washing machine that can be easily transported by foot in an urban setting. The movilavadora can be used for income generation by cleaning as well as washing by hand, and in less time. This builds upon an existing project, the bicilavadora, that originated several years ago in Guatemala.
Lima

Well Covers

Class-Research-Fieldwork: 
150 Projects Tags: 
Status: 
Reviewed
D-Lab students learned about wells in Brazil, and worked on a simplified design for well covers to make them more easily adaptable. Students also focused on education regarding the preservation and care of community water sources, and explored different materials and construction methods for the covers.
Sao Paulo

Collaboration with Sloan SEID

Class-Research-Fieldwork: 
Status: 
Reviewed
For the first time, D-Lab collaborated with Sloan Entrepreneurs for International Development (SEID) to send 3 MBA graduate students along with 6 undergraduate engineering students on the January 2011 D-Lab trip to Cambodia. SEID students analyzed the business aspects of projects and researched how to disseminate technologies.
Phnom Penh & Kien Svay

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