Search staff/organisations Ir. JJ Claushuis
Name
NameIr. JJ Claushuis
FirstnameJob
Emailjob.claushuis@wur.nl

Job details
DescriptionPromovendus
OrganizationDepartment of Plant Sciences
Organization UnitLaboratory of Genetics
Regular availability
Mo Tu We Th Fr
Morning
Afternoon
Side activities
  • - Geen nevenwerkzaamheden
    Oct 2017 - Present


Biography

 My research focuses on plant species that accumulate metals in extreme concentrations in the above-ground plan parts (hyperaccumulation). The most interesting plant species to me are those that also hyperaccumulate metals when the metals are bound to the soil. Such hyperaccumulators can be used to extract metals from soils or waste substrata (phytoextraction). Phytoextraction is especially effective for precious metals (nickel, cobalt, and palladium) and for toxic metals (cadmium, arsenic, and thallium).


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Projects

PhD research project (2017-2022): Phytoextraction of toxic and valuable metals from waste substrates.

 

MSc research project (2014-2017), titled: Making the Best from Sewage Sludge: Phytoextraction of Cadmium, Copper, & Zinc

Financed by water board Aa & Maas, I performed a plant screening experiment, aiming for feasible phytoextraction of cadmium, copper, and/or zinc from composted sewage sludge. The research was supervised by Prof Dr Violette Geissen and Prof Dr Mark G.M. Aarts, and advised by Dr Paul Römkens. The experiments resulted in a proof of principle for cadmium and zinc phytoextraction from biogranulate, desalinated by flushing.

Extracurricular research (2015-2016), titled: Nickel Phytoextraction from Mine Tailings

Upon the request via Prof Dr Mark G.M. Aarts from mining company Fondel, I experimented with zinc- and nickel-hyperaccumulating plant species, growing them on step-wise mixtures of mechanical nickel mine tailings and different types of potting soil. This research provided a proof of principle for commercial nickel phytoextraction from mine tailings, aided and advised by Dr Henk Schat.

BA research project (2012), titled: Occidentalisms on the Palestinian Countryside: the Relation between the social-economic status of farmers around Birzeit and their ideas on wastewater reuse and foreign influences

In the proximity of Birzeit, West Bank, I have interviewed 35 farmers in Arabic on their work, income, and ideas. I have processed the interview data quantitatively and statistically, to conclude which type of farmer is best approached for projects on wastewater reuse.

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