Sanitation in Unsewered Urban Poor Areas: Technology Selection, Quantitative Microbial Risk Assessment and Grey Water Treatment, 1st Edition (Paperback) book cover

Sanitation in Unsewered Urban Poor Areas

Technology Selection, Quantitative Microbial Risk Assessment and Grey Water Treatment, 1st Edition

By Alex Yasoni Katukiza

CRC Press

200 pages

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Paperback: 9781138015555
pub: 2014-03-19
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Description

The PhD Thesis covers a review of sanitation technology options for urban slums including existing technologies, their application status and the knowledge gaps. A novel method for selection of sustainable sanitation technologies in urban slums is presented as an alternative to software applications. This method promotes holder participation and ensures sustainability of the selected and implemented sanitation systems. Furthermore, this PhD research provided an insight into the genomic copy concentrations of selected waterborne viruses in a typical urban slum and the magnitude of microbial risks to human health caused by pathogens (bacteria and waterborne viruses through various exposure pathways. The results show that urban slum environments are polluted and the disease burden from each of the exposure routes. In addition, the grey water production in urban slums is more than 80% of the water consumption and the grey water pollutant loads pose potential public health and environmental impacts. The PhD thesis also covers aspects of optimisation of the filtration medium during grey water treatment by uPVC filter columns in series and parallel mode. In addition, the study demonstrated that grey water treatment using a two-step crushed lava rock filter unit at household level in an urban slum is feasible. The grey water pollutant loads reduced by 50% to 80% after grey water treatment. The main conclusions on sanitation in unsewered urban poor areas and recommendations for future research are included in this PhD thesis.

Table of Contents

1. General introduction

2. Sanitation technology options for urban slums

3. Selection of sustainable sanitation technologies for urban slums

4. Genomic copy concentrations of selected waterborne viruses in a slum environment in Kampala, Uganda

5. Quantification of microbial risks to human health caused by waterborne viruses and bacteria in an urban slum

6. Grey water characterisation and pollutant loads in an urban slum

7. Grey water treatment in urban slums by a filtration system: optimisation of the filtration medium

8. A two-step crushed lava rock filter unit for grey water treatment at household level in an urban slum

9. General discussion, conclusions and recommendations

About the Author

Alex Yasoni Katukiza (Uganda, 1976) is holder of a Bachelor of Science with honours (Upper Second) in Civil Engineering obtained from Makerere University in 2000 and a MSc. in Municipal Water and Infrastructure specialising in Sanitary Engineering obtained from UNESCO-IHE Institute for Water Education. He carried out his PhD on sanitation technologies for urban poor areas at UNESCO-IHE and Wageningen University. He is registered with the Engineers registration board in Uganda and has also been involved in Environmental and Sanitary Engineering Consultancy since 2001. He also has research experience of more than 5 years. His research interests include Sanitation in urban poor areas, domestic wastewater treatment, solid waste management and Quantitative Microbial Risk Assessment (QMRA).

About the Series

IHE Delft PhD Thesis Series

IHE Delft PhD programme leads to a deepening of a field of specialisation. PhD fellows do scientific research, often with conclusions that directly influence their region. At IHE Delft, PhD researchers from around the world participate in problem-focused and solution-oriented research on development issues, resulting in an inspiring research environment. PhD fellows work together with other researchers from many countries dealing with topics related to water and the environment.

PhD research is often carried out in the ‘sandwich’ model. Preparation and final reporting – the first and last portion of the programme – are carried out in Delft, while actual research is done in the fellow’s home country, under co-supervision of a local institute. Regular contacts with the promotor are maintained through visits and long-distance communication. This enables researchers to employ solutions directly to problems in their geographical region.

IHE Delft PhD degrees are awarded jointly with a university. The degrees are highly valued and fully recognised in all parts of the world.

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Subject Categories

BISAC Subject Codes/Headings:
SCI026000
SCIENCE / Environmental Science
TEC010030
TECHNOLOGY & ENGINEERING / Environmental / Water Supply