Dr. Joy Riungu

Dr. Joy Riungu holds PhD in Sanitation and Environmental Engineering (Specialization in Sanitary Engineering), from Technical University (TU), Delft, Netherlands (NL) in partnership with UNESCO-IHE, Delft, NL, Master of Science in Environmental Engineering and Management, from Jomo Kenyatta University of Agriculture and Technology (JKUAT), Kenya, and BSc in Agricultural Engineering, Egerton University, Kenya. She is a Lecturer, Civil Engineering Department, MUST and Director, Sanitation research Institute (SRI). Dr Riungu has vast experience in sanitation management; technology development, testing and implementation and in particular within urban informal slum and peri-urban settlements. Her intervention point is applying innovative sanitation technologies, to address the vast community sanitation challenges. Additionally, Dr Riungu has vast experience in adoption of circular economy models in sanitation, has a climate change mitigation strategy.

Email Address: jriungu@must.ac.ke


  1. Riungu N. J. 2021. Off-Site enhanced biogas production with concomitant sludge hygienisation of feacal matter. CRC press/bakema, Schhipholweg 107C. 2316 XC. Leiden, the Netherlands www.crcpress.com – www.taylorandfrancis.com ISBN: 978-1-032-00443-3 (Taylor and Francis Group

Riungu J. N. Sanitation Workers Forum: Thematic Session 2: Setting the Scene: Lessons from India and Kenya: 2021. Speaker, sanitation Workers Forum; The role of informal pit emptiers in providing sanitation in Mukuru and Kibera, and the barriers to achieving improved services

A Mallory, J. Riungu, D. Kiogora, E. Tilley, A. Parker, R. Holm. 2020. Connecting Informal Settlements to Faecal Sludge Management Systems: A case study of transfer station and formalisation in Kibera, Kenya, 1st IWA Non Sewered Sanitation Conference

Riungu J. N. MUST Innovation Week. 2021. Towards Bio-Resource Recovery Based Sanitation-Container Based Sanitation Approach

Riungu J. N. 42nd WEDC International, 2021. Investigating the performance efficiency of black soldier fly larvae in feacal matter co-digestion

Riungu J. N. FSM 6, 2020. Pit emptying competition (https://fsm6.org/worldemptyingchallenge/

SNV Virtual training, 2020. The exciting world of feacal sludge re-use-exploring turning poop into gold From waste to wealth and health

Riungu J., Ronteltap, M., van Lier, J.B. 2019. Simultaneous stabilization, methanation, and hygienization of faecal matter from poor urban settlements applying co-digestion in plug-flow digester systems, 16th IWA World Conference on Anaerobic on digestion

Riungu J., Ronteltap, M., van Lier, J.B., 2018. Pathogen inactivation during anaerobic stabilisation of human feaces in two stage reactor setup, 41st WEDC International Conference

Irungu S., Riungu N.J., Kiogora S. D., Prasanta D. UoN 24th-25th October 18 Investigating faecal sludge and kitchen waste mix ratio effects on Hermatia illucens larvae growth. 1st Conference on Science for Development

Riungu J., Ronteltap, M., van Lier, J.B. 2018. Pathogen inactivation during anaerobic stabilization of human feaces in two stage reactor setup. 41st WEDC International Conference

Riungu J., Ronteltap, M., van Lier, J.B. 2017. Assessing the potential for methane production and pathogen reduction from UDDT waste with/without organic substrates: Laboratory and pilot scale study results. 4th Feacal sludge management conference, Chennai, India

Riungu J., Ronteltap, M., van Lier, J.B. 2016. Impact of VFA on Ascaris lumbricoides and E. coli deactivation during stabilization of UDDT faeces with/without organic substrates. AFWA development congress and exhibition

Riungu J., Ronteltap, M., van Lier, J.B. 2015. Assessing the bio-methane potential (BMP) and concomitant pathogen removal of UDDT faeces with(out) additional organic substrates. 3rd Feacal sludge management conference, Hanoi, Vietnam

Riungu J., Ronteltap, M., van Lier, J.B. 2014. An evaluation of the limitations of slum sanitation chain. 3rd IWA development congresss and exhibition, KICC, kenya

Riungu N.J, Hesampour M., Pihlajamaki A., Manttari M., Home P. G., 2010. Investigating removal of pesticides from water by Nanofiltration Membrane Technology, Fifth JKUAT Technological and Industrialization Conference,

Riungu N.J, Hesampour M., Pihlajamaki A., Manttari M., Home P. G., Mwangi H., 2009. Effect of two different kinds of photocatalysts (TiO2) on decomposition and ultrafiltration of humic acid. IWA regional conference and exhibition on membrane technology and water reuse, stanbul, Turkey