Jan Knappe


Environmental and Biotechnology Centre
Building 9.2 (Kubus), office 314

Helmholtz Centre for Environmental Research - UFZ
Permoserstr. 15
04318 Leipzig

Phone: +49 (0) 341 235-1850

Jan Knappe

Professional Career

since 2020

Scientist at the Environmental and Biotechnology Centre
UFZ, Leipzig (Germany)

Working on blue-green infrastructure for sustainable and resilient water management in the urban realm, decentralized wastewater and sanitation solutions

2018 - 2020

Postdoctoral Fellow
Trinity College Dublin, Dublin (Ireland)

2013 - 2014

WASH Consultant
BORDA South Asia, Bangalore (India)

2012 - 2013

Research Volunteer
CDD Society, Bangalore (India)


Research Assistant
Max Planck Institute for Marine Microbiology, Bremen (Germnay)

Academic Career

2014 - 2018

Ph.D. in Environmental Science
University of Limerick (Ireland)

Thesis: The influence of a growing microbial biomat on water retention and pollutant attenuation in soil treatment units receiving domestic effluent
Supervision: Prof. Dr. Laurence W. Gill (Trinity College Dublin), Prof. Dr. Andrew C. Fowler (University of Limerick)

2010 - 2012

M.Sc. in Environmental Studies
Linköpings Universitet (Sweden)

Thesis: The pelagic diatom Thalassiosira weissflogii is capable of dissimilatory nitrate reduction to ammonium (DNRA)
Supervision: Dr. Anja Kamp (Max Planck Institute for Marine Microbiology), Dr. Teresia Svensson (Linköpings Universitet)

2006 - 2010

B.Sc. in Physics
Georg-August-Universität Göttingen (Germany)

Thesis: Towards sub-second imaging of nucleosomal DNA using atomic force microscopy (AFM)
Supervision: Dr. Iwan A.T. Schaap (Georg-August-Universität Göttingen)


Knappe J, Somlai C, Fowler AC, Gill L (2020)
The influence of pre-treatment level on biomat development in soil treatment units
J Contam Hydrol. 232:103654. doi: 10.1016/j.jconhyd.2020.103654

Bolaños-Benítez V, McDermott F, Gill L, Knappe J (2020)
Engineered silver nano-particle (Ag-NP) behaviour in small scale treatment plants and in sewage sludge amended-soils
Sci Total Environ. 722:137794. doi: 10.1016/j.scitotenv.2020.137794

Somlai C, Knappe J, Gill L (2019)
Spatial and temporal variation of CO2 and CH4 emissions from a septic tank soakaway
Sci Total Environ. 679:185-195. doi: 10.1016/j.scitotenv.2019.04.449

Somlai-Haase C, Knappe J, Gill L (2017)
Carbon dioxide emissions from a septic tank soakaway in a northern maritime climate
Sci Total Environ. 586:485-491. doi: 10.1016/j.scitotenv.2017.01.206

Sandmann A, Knappe J, Bremer S, Sinha S (2014)
Transition through Capacity Building
Sustainable Sanitation Practice 20, 10-15 (download issue)

Kamp A, Stief P, Knappe J, de Beer D (2013)
Response of the Ubiquitous Pelagic Diatom Thalassiosira weissflogii to Darkness and Anoxia

PlosONE 8:12, e82605. doi: 10.1371/journal.pone.0082605    

Technical Reports

Gill L, Mac Mahon J, Knappe J, Gharbia S, Pilla F (2018)
Desludging Rates and Mechanisms for Domestic Wastewater Treatment System Sludges in Ire-land
EPA Ireland, Report No. 253 (download pdf)

Gill L, Knappe J (2016)
Review of percolation test methodology for low permea-bility soils
EPA Ireland    

Ginoya N, Knappe J, Kumar AY, Shennoy R, Shivaram KNV (2014)
Linking Sanitation and Climate Change: Evaluating GHG Emissions and Vulnerability
ICCO Cooperation, CDD Society


Knappe J (2018)
hydrus2r: An R package to import HYDRUS 2D/3D simulation re-sults into R (on GitHub)

Knappe J (2018)
quantitray: An R package to calculate MPN (most probable num    ber) from IDEXX Quanti-Tray, Quanti-Tray/2000, and Quanti-Tray/Legiolert tests (on GitHub)