Ventilation of dry toilets - Case Study: Close-ups of various installations in Uganda

Groth, F. (2005)

Published in: 2005

Publisher:
MSc Thesis. Burgenland University GmbH, Building Technology and Management, Pinkafeld, Germany

Author:
Groth, F.

Uploaded by:
SuSanA secretariat


3759 Views
51 Downloads


 Location of library entry

Content - Summary

Uganda is still one of the poorest countries in the world and is faced with an
abundance of economic, social and environmental problems. Even the will and the
motivation for development are remarkable and lead to significant success.
Dry toilet facilities are an appropriate solution to the sanitation problem, since they
improve sanitation provision where required, reduce respectively inhibit water
pollution, encourage water conservation and recover and recycle nutrients and
organic matter.
In order to support recent developments regarding alternative water and sanitation
concepts many research scientists work on different strategies, aiming new concepts
for a self-sustaining and affordable sanitation systems which also meets the
acceptance of the users. One of these new methods of solutions is based on the
separation of urine and faeces and is indicated as dry toilet. This technology is part
of a closed loop system, where human excreta are handled as a resource and where
these excretions are stored and treated on site.
But the storage and treatment of human excretions on site also causes various
problems, such as an unfavourable distribution of contaminated air towards the user
area.

Therefore, the main focus of this work was on finding solutions with which it
should be possible to reduce respectively to eliminate the odour in the user-chamber
of the dry toilet and its surrounding area. Thus, various facilities in the south-western
part of Uganda, such as Kabale, Kisoro, Kalungu and Mbarara were visited and
observed over a period of three month, from the 12th of March to the 12th of June.
Series of measurements and close-ups of existing installations gave an over-view
about the quality and efficiency of the implemented ventilation schemes. The
observed toilets were categorized as “Type Kabale” and “Type Enviro-Loo”, whereas
the ventilation technique of the first mentioned type can roughly be described as
simpler, cheaper and less advanced in comparison with the aeration technique of the
Enviro-Loo toilet.
Due to the quantification of recorded data and interviews, it was possible to find
specific solutions with the aim of finding new components and the adaptation of
already existing parts, regarding facility design and technical applications as follows:

Technical applications:

• Flow accelerator (with/without power supply)
• Shaped pieces/capture elements
• Vent pipe cover
• Squatting-pan lid (standard, mechanical, electrical)

Facility design:

73 Building Technology and Management
• Storage above the ground
• Consideration of the exhaust air direction
• Situation of the toilet according to the main wind/sun appearance
• Vent pipe diameter

With these measures and deliberations it should be possible to improve future dry
toilet implementations in view of aeration techniques and related design purviews,
whereas it has to mentioned that only the observation of practical implemented
constructions allow statements about their functionality and feasibility.
However, the further development of the dry toilet in view of aeration-technologies
and other purviews with the consideration of social, financial and technical parameter
is highly important to create a product, which is able to meet the requirements of
modern conventional sanitation facilities in order to be an accepted alternative option
to them.

Bibliographic information

Groth, F. (2005). Ventilation of dry toilets - Case Study: Close-ups of various installations in Uganda. MSc Thesis. Burgenland University GmbH, Building Technology and Management, Pinkafeld, Germany

Filter tags

Case studies in other formats English Sub-Saharan Africa Urine diversion dehydration toilets (UDDTs)

Download

Ventilation of dry toilets

Format: pdf file
Size: 4.13 MB

Share this page on    


Follow us on    

SuSanA Partners  currently 353 partners

Sanitation events

SuSanA newsletter

Stay informed about the activities of SuSanA and its partners. The SuSanA newsletter is sent out around four times per year. It contains information about news, events, new partners, projects, discussions and publications of the SuSanA network.

Subscribe to newsletter »

Latest tweets mentioning SuSanA

  • 16-10-2019 12:59SuSanA:
    "A thriving urban economy is not possible without safe sanitation." Alfonso Alvestegui writes about the efforts un… »
  • 16-10-2019 11:07SuSanA:
    Why Middle East publics have mixed views on climate change Find out here: [Posted by #WANAChapter] »
  • 15-10-2019 12:54SuSanA:
    Happy #GlobalHandwashingDay Thanks to all our partner organisations for promoting effective handwashing in order to… »
  • 15-10-2019 11:05SuSanA:
    Basra, the ‘Venice of the Middle East’, poisoned by bacteria and pollution Read the story here:… »
  • 15-10-2019 11:03Jan Schlenk:
    RT @susana_org: Today is International Day of the Girl Child! To coincide with this day, we would like to present the publication "Technolo… »
  • 14-10-2019 14:16SuSanA:
    RT @WaterAidUK: Everyone, everywhere has an equal right to water and soap for handwashing! Ahead of #GlobalHandwashingDay tomorrow, please… »

Tweets mentioning SuSanA »

28th SuSanA meeting, Stockholm

The next SuSanA meeting will take place in Stockholm, Sweden. We will meet on the 24th of August, just before the World Water Week 2019 begins. More information will be available soon.

Find out more about the meeting! 

SuSanA meetings

Jobs

 


close  

 

Resources and publications

Our library has more than 3,000 publications, factsheets, presentations, drawings etc. from many different organisations. It continues to grow thanks to the contributions from our partners.

Add item to library »

The three links below take you to special groups of items in the library for more convenient access:

Projects

The project database contains nearly 400 sanitation projects of many different organizations dealing with research, implementation, advocacy, capacity development etc. Advanced filtering functions and a global map are also available. Information on how and why this database was created is here.

People working for SuSanA partners can add their own projects through their partner profile page. You might need your SuSanA login upgraded for this purpose. Please contact us if you would like to add a project.


Trainings, conference and events materials

Missed important conferences or courses? Catch up by using their materials for self study. These materials have been kindly provided by SuSanA partners.

Regional chapters

Use the map or the search tool to access the most relevant information and knowledge products for your region or country. This includes relevant resources, events, partners or projects.

Shit flow diagrams (SFDs), excreta flow diagrams

Shit flow diagrams (SFDs) help to visualize excreta management in urban settings. Access SFDs and more through the SFD Portal.

 


close  

 

Discussion forum

Share knowledge, exchange experiences, discuss challenges, make announcements, ask questions and more. Hint: Your discussion forum login is the same as your SuSanA login. More about the forum's philosophy »


Integrated content

We are hosting content from some other communities of practice and information-sharing portals. This section also provides a link to SuSanA's Sanitation Wikipedia initiative.

Suggest content to add »

SuSanA partners

Not yet a SuSanA partner? Show your organisation's support to SuSanA's vision and engage in  knowledge sharing by becoming partners.

Apply to become a partner »


Individual membership

Register as an individual member of SuSanA free of charge. As a member you can interact with thousands of sanitation enthusiasts on the discussion forum.  You can also get engaged in one of our 13 working groups and our regional chapters. Our FAQs explain the benefits further.

By getting a SuSanA login you can fully participate in the SuSanA community!

Register as a member

Login


Forgot your password?

 


close