Category Archives: Technology

Extra funding for “breathable membrane” linings for pit latrines

Roof latrine

Roof latrine. Photo: Steve Dentel, University of Delaware

A team at the University of Delaware has received US$ 250,000 in additional funding to continue its research on “breathable membrane” linings for pit latrines.

The breathable fabric helps to prevent groundwater pollution, while also protecting sanitation workers from exposure to pathogens. Heat from biodegradation of the feces or from the sun gradually expels water vapour, but prevents the escape of particulate or dissolved constituents.

Professor Steve Dentel, who leads the research, explained how it all works in webinar held in February 2014. A  write-up of the presentation and discussion was posted on the SuSanA forum.

The first phase of the research (November 2011 – October 2013)  was funded through the Bill & Melinda Gates Foundation’s Grand Challenges Explorations Fund.

Dentel is piloting the membrane technology in the slums of Kanpur, India, in collaboration with WaterAid. He wants to get them in place before the beginning of the rainy season in June. Since the membrane is reusable, the cost of using susch a sophisticated technology can be reduced.

At the same time, Dentel is working with UD engineering colleagues Daniel Cha and Paul Imhoff to apply the technology in wastewater treatment facilities in the USA and South Korea.

For more information you can follow and take part in a discussion about the research with Prof Dentel on the SuSan Forum.

Source:  Karen B. Roberts, Bacteria fighting fabric, UDaily, 17 Apr 2014

 

 

Reinvent the Toilet Fair: India – what’s next?

Several technologies displayed at the Reinvent the Toilet Fair: India “will be field tested in coming months in cities across India and Africa”, writes Doulaye Koné in the Bill & Melinda Gates Foundation (BMGF) blog “Impatient Optimists”.

These include reinvented toilet technologies, pit latrine and septic tank emptying technologies, as well as sludge-to-energy processing technologies. Some of the participants at the fair in New Delhi, like the President of the Fecal Sludge Emptying Association from Senegal, wanted to buy some of the technologies on display on the spot. He was very disappointed to learn that we still need to do additional testing to validate their performances before commercialization but we were thrilled about his excitement.

Beside the field testing, the BMGF has announced a collaboration agreement with the South African government on sanitation innovation solutions. The Department of Science and Technology (DST) has committed ZAR 30 million (US$ 2.7 million) to test and promote toilet technologies being developed by BMGF grantees in schools and rural communities in South Africa. BMGF is contributing US$ 1 million to support the testing of technologies selected. South Africa’s Water Research Commission is the implementing agency.

“In terms of rural school sanitation, the technologies will be demonstrated in the Cofimvaba district in the Eastern Cape as part of the Technology for Rural Education Development project,” the department said. “The technologies will also be demonstrated in the 23 district municipalities that have been identified by the government as critical in terms of service delivery.”

More information on BMGF sanitation grantees is avaialable on SuSanA.org.

Source:

  • Doulaye Koné , What Happened at the “Reinvent the Toilet Fair: India” and What’s Next?, Impatient Optimists, 11 Apr 2004
  • South Africa, Gates Foundation to ‘reinvent the toilet’, SouthAfrica.info, 28 Mar 2014

 

WSA signs up with Malaysian firm for technical support on sanitation

Water and Sanitation for Africa (WSA) has signed a memorandum of understanding with Malaysian firm Indah Water Konsortium Sdn Bhd for technical know-how and consultancy services in sewerage management in African countries.

WSA selected Indah Water “to be in a technical committee formed by the Bill and Melinda Gates Foundation to propose immediate, medium- and long-term solutions for sanitation services in WSA member countries”. In 2011-2012 WSA received three Gates Foundation grants totalling US$ 7.2 million, one of which to develop sanitation financing models for urban poor and another to set an African Sanitation Think Tank.

Chief Executive Officer Datuk Abdul Kadir Mohd Din said that the Gates Foundation “had sent a team of wastewater experts from the United States to visit Indah Water after visiting the African continent and Asean countries”.

Indah Water is Malaysia’s national sewerage company. In 1994, the Federal Government awarded the company the concession for nationwide sewerage services which before were the responsibility of local authorities.

Water and Sanitation for Africa (WSA) is a Pan African Inter-governmental Agency based in Burkina Faso, previously known as the African Regional Centre for Water and Sanitation (CREPA). WSA has a presence in 32 African countries.

Source: Bernama, 16 May 2013

Top 10 Finalists of the Sanitation Hackathon App Challenge announced

SanAppChallengeOn World WaterDay, 22 March, the World Bank announced the Top 10 Finalists of the Sanitation Hackathon App Challenge. The challenge is a follow-up to the Sanitation Hackathon, which attracted over 1,100 developers in December 2012 to solve sanitation problems.

The Top 10 Finalists apps are:

  • Empowering Girls monitors girls’ school attendance to track appropriate sanitation facilities.
  • LION Sync provides decision-makers with access to real-time data online and offline.
  • LooRewards promotes sanitary behavior by rewarding safe sanitation practices.
  • mSchool monitors the status of water and sanitation infrastructure in schools.
  • mSewage crowdsources the identification of open defecation sites and sewage outflows.
  • San-Trac reminds users about hygienic practices and gathers real-time data for trend analysis (winner of the People’s Choice Award)
  • Sanitation Investment Tracker tracks investment and expenditure in sanitation at the household level.
  • SunClean teaches sanitary and hygienic behavior through games for children.
  • Taarifa enables citizen reporting and tracks decision-makers’ feedback.
  • Toilight finds toilets in a smart and easy way.

For more information on the apps click on the video links above or go here.

The Grand Prize Award winners will be announced on April 19, on the eve of the World Bank’s Spring Meetings.

Source: SanHack Team, SanitationHackathon.org, 22 Mar 2013

1st International Conference on Terra Preta Sanitation, Hamburg, Germany, 29-30 August 2013

Terra Preta soil

Terra Preta soil. Photo: TUHH

This conference brings together experts from different sectors – water/sanitation, agriculture, soil, energy and health – to share experiences in the new field of Terra Preta Sanitation (TPS). TPS is being promoted as integrated sustainable solution to address poor sanitation, food insecurity, and soil degradation. It is inspired by the discovery of the anthropogenic ancient soils in the Amazon called Terra Preta.

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Renewed research call for faecal sludge secondary treatment options in Bangladesh

IRC International Water and Sanitation Centre announces a renewed research call for:

Faecal sludge secondary treatment technologies for challenging settings

This call is part of the BRAC WASH II programme in which EUR 1.5 million will be used for innovative research, tendered to consortia of leading European and Bangladeshi research organisations.

The planned duration of the faecal sludge research project will be 18 months.

The anticipated cost of the project is EUR 325,000. In addition there is EUR 50,000 available for piloting. (Separate budget needs to be included for this).

To download the guidelines and application form go to: www.irc.nl/page/73136

The deadline for submission of full proposal application forms is: 11 January 2013.

Future research calls will focus on low-cost water supply technologies; Geo-referenced database for monitoring; menstrual hygiene management; and saline intrusion.

Please do not send requests for information or applications to the Sanitation Updates blog.

Conference explores faecal sludge management, a key link to up-scaling sanitation

Getting ready to access the pit for emptying, eThekwini , South Africa. Photo: Elisabeth von Muench, SuSanA

Since many experts believe that flush toilets and sewerage are unaffordable for the large majority urban and rural communities, faecal sludge management (FSM) is seen as a key link to up-scaling sanitation.

But do we need to reinvent the toilet or invent a sanitation industry? That was the concluding thought of Water for People’s Steven Sugden, one of the 100 or so presenters at the Second International Faecal Sludge Management conference (FSM2). Looking at all the presentations, the impression you get is that we need both better technologies and better business models.

FSM2 ook place in Durban, South Africa from 29-31 October 2012. The conference was structured around the following themes:

  • On-site Sanitation as a Business
  • Socio-political Aspects of On-site Sanitation
  • Understanding On-site Sanitation
  • Toilet Design for FSM Optimisation
  • Pit Emptying – What are the Options?
  • The How of Faecal Sludge Treatment
  • Waste Not Want Not – Beneficial Use of Faecal Sludges
  • Technology and Innovation
  • Health Aspects of Faecal Sludges

All the presentations are available on the SuSanA website.