Search Results for: item/10864860/PhD-position-Global-flood-risk-assessment-and-behavioural-modelling-VU-Amsterdam/page/49/www.linkedin.com/in/apoorva-seeram

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The influence of drinking water biofilms on water quality

  • 1 January, 2015
  • Wageningen University, Microbiology
  • prof. dr H Smidt
  • dr PWJJ van der Wielen

Microbial regrowth in drinking water distribution or premise plumbing systems can cause problems like growth of opportunistic pathogens (e.g. Legionella pneumophila), esthetic complaints or regrowth parameters exceeding legislative guidelines. The microorganisms responsible for these problems mainly multiply in biofilms on the pipe wall and/or sediment and will alter the water quality once they are released in the water. This release of biofilm organisms in the water phase is largely unexplored and will be the focus of this PhD project. The influence of pipe material, hydraulics and water quality on the release of biofilm organisms will be studied using cultivation-based and ‘state of the art’ molecular microbiological methods.

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Researcher

Kimberly Learbuch

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Deep learning for semantic segmentation of airborne laser scanning point clouds

Yaping Lin
7 September, 2022
University of Twente, Earth Observation Science
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Sensing hydrophilic contaminants: transcriptional response of Caenorhabditis elegans as biosensor for water quality

Antoine Karengera
7 September, 2022
Wageningen University, Marine Animal Ecology
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Agent-based modeling of climate policy

Joël Foramitti
6 September, 2022
VU University Amsterdam, Institute for Environmental Studies (IVM)
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Collaborative Geovisual Analysis

Gustavo Garcia Chapeton
7 July, 2022
University of Twente, Geo-information Processing
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Deciphering the factors relating sun-induced fluorescence to photosynthesis and transpiration in space and time

David Martini
6 July, 2022
University of Twente, Water Resources
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Sulfidogenesis at low pH and its application for treatment of metalliferous wastewaters

Lot van der Graaf
5 July, 2022
Wageningen University, Microbiology
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Managed Aquifer Recharge with Marginal Water for Irrigation and Contaminant Attenuation

Darrell Tang
4 July, 2022
Wageningen University, Soil Physics and Land Management
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Mapping terrestrial evaporation regimes – A data-driven analysis of land-atmosphere interactions under climate change

Jasper Denissen
1 July, 2022
Wageningen University, Hydrology and Quantitative Water Management
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Landscape-inclusive energy transition landscape as catalyst in the shift to renewable energy

Dirk Oudes
30 June, 2022
Wageningen University, Landscape Architecture
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Flow assurance problems in the geo-energy industry: Microbial influenced corrosion, and preciptiation of clays in reservoir acid stimulation

Makunga Madirisha
22 June, 2022
University of Twente, Applied Earth Sciences
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Understanding flood risk perceptions and motivations for damage mitigation: The case of Kampala, Uganda

Simbarashe Chereni
22 June, 2022
University of Twente, Urban and Regional Planning and Geo-information Management
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Pesticide residues in EU soils and related risks

Vera Felix da Graca Silva
13 June, 2022
Wageningen University, Soil Physics and Land Management
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Development and Validation of a Three Dimensional Wave – Current Interaction Formulation

Tan Duoc Nguyen
10 June, 2022
IHE Delft, Coastal & Urban Risk & Resilience
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Floods in (post-) New Order Jakarta. A political ecology of urbanization

Bosman Batubara
8 June, 2022
IHE Delft, Water Governance
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Beating the Blues by Floc & Lock

Frank van Oosterhout
3 June, 2022
Wageningen University, Aquatic Ecology and Water Quality Management
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Determining optimal riparian buffer zones in Uruguay: integrating ecological and socio-economic criteria

  • 1 February, 2021
  • Wageningen University, Environmental Economics and Natural Resources
  • prof. F Alpizar
  • dr M HolmgrenProf. M. Carriquiry

Riparian buffer zones (RBZ) are vegetated areas adjacent to surface watercourses. They are important for terrestrial and aquatic ecosystems since they regulate the fluxes of sediments and nutrients from land to water, reduce the impact of flooding, and are the habitat for plants and animals of both systems. The present PhD project aims to develop a methodology for the optimal determination of the RBZs (that maximizes social welfare and/or minimizes costs), considering the ecosystem services provided, the opportunity costs involved and the environmental policy strategy to be implemented. We will focus on analysing the service of water quality improvement that the RBZs provide by operating as a natural barrier for sediments, pathogens and nutrient loads from adjacent lands. This ecosystem service is essential for the provision of clean water to urban, productive and natural systems.
The project is structured in four specific objectives:
Objective 1: Evaluate the efficiency of buffer zones as a measure to reduce the export of nutrients to watercourses, compared to a tax on fertilizers as an alternative measure.
Objective 2: Economically value water quality improvement provided by different combinations and scenarios of RBZs.
Objective 3: Evaluate the factors that determine the willingness of Uruguayan farmers and ranchers to participate in different types of environmental policy strategies for implementing RBZ conservation measures, such as mandatory buffer strips or payment for ecosystem services scheme.
Objective 4: Evaluate the cost-effectiveness and impacts on human well-being of different combinations of width, composition of RBZ and environmental policy strategy on a conservation measure of RBZ.

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Guillermo Sena Barrera

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Strategies for hydrogen evolution catalyst integration in microbial electrosynthesis

  • 3 February, 2023
  • 13:30
  • Auditorium Wageningen University
  • Wageningen University, Environmental Technology
  • prof.dr.ir. C.J.N. Buismanprof.dr. J.H. Bitter
  • dr.ir. D.P.B.T.B. Strik

During bio-electrochemical CO2 reduction, CO2 is converted to volatile fatty acids with electrical energy in an electrochemical system with a microorganisms as biocatalyst. In the PhD thesis, bio-electrochemical CO2 valorisation systems were optimized by the integration of a hydrogen evolution catalyst. It was discovered that hydrogen evolution catalysts can be formed from trace elements normally added as micronutrients for the microorganisms in the systems. Integration of these hydrogen evolution catalysts increased the current and electron donor availability for the microorganisms, resulting in faster start-up of the system. Further studies were dedicated to investigation of local conditions at the cathode with microsensors and improvement of mass-transfer to allow better transfer of hydrogen to the biofilm.

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Sanne de Smit

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Governing the transition towards sustainable industrial water supply in Vietnam

  • 15 August, 2016
  • Wageningen University, Environmental Policy
  • prof. dr SR Bush
  • dr J van Leeuwen

This PhD-project applies the triangle model of industrial ecology design to analyse specifically governance and institutions for fresh water innovation associated with selected technological innovations that are produced from other study as well as the interactions among water, energy and waste flow within selected Industrial Zones (IZs) and IZs with neighbourhoods in Vietnam. Within the framework of the research the institutional challenges are assessed by addressing the particular stakeholders through semi-structured expert interviews, document review and focus groups/workshops. In addition, based on synthesis of the data and insights, innovations in water reuse and multi-sourcing brackish water are identified. During this research there is contact between the technological and institutional stakeholders through workshops, focus groups, feedback sessions and other more individual meetings. This is a vital part of the research to guarantee the needed interaction and trans-disciplinary exchange of (new) knowledge and (new) insights.

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Thu Trang Tran

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Syntrophic growth of anaerobic microbial consortia on one-carbon compounds

  • 1 August, 2017
  • Wageningen University, Microbiology
  • prof. dr ir AJM Stamsprof. dr DZ Machado De Sousa

Microorganisms are the most abundant and diverse organisms on Earth. They live in communities that are capable of degrading complex molecules, and can be harnessed for the treatment of wastewater or the production of biogas. To exploit the full capabilities of microbial communities we must first understand how microbes interact with each other. A particularly important interaction for ecosystem stability is mutualism, which is a positive interaction that benefits all participating members. During my PhD project, we will apply omics approaches to study Moorella thermoacetica strains growing on C-1 compounds, together with a methanogenic partner (Methanothermobacter thermoautotrophicus). The aim is to uncover the molecular mechanisms behind this mutualistic interaction and its evolution.

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Nicolas Vecchini Santaella

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