Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 477564
Title Natural nanoparticles in soils and their role in organic-mineral interactions and cooloid-facilitated transport
Author(s) Regelink, I.C.
Source Wageningen University. Promotor(en): Rob Comans, co-promotor(en): Liping Weng. - Wageningen : Wageningen University - ISBN 9789462571501 - 221
Department(s) Chair Soil Chemistry and Chemical Soil Quality
WIMEK
Publication type Dissertation, internally prepared
Publication year 2014
Keyword(s) bodem - bodemchemie - interacties - colloïden - transportprocessen - deeltjes - soil - soil chemistry - interactions - colloids - transport processes - particles
Categories Soil Chemistry
Abstract

Mineral nanoparticles are naturally present in the soil and play an important role in several soil processes. This thesis uses a combination of novel analytical techniques, among which Field-Flow-Fractionation, to study nanoparticles in soil and water samples. The results show that nanoparticles can be as small as a few nanometer only and play an important role in the transport of phosphorus and trace metals in the environment. Furthermore, Fe-(hydr)oxide nanoparticles play an important role in sequestration of organic matter and phosphate in soils. The adsorption interactions between phosphorus and organic matter have important implications for the predictions of phosphorus-fertility status of the soil because phosphorus becomes more soluble in soils rich in organic matter. Moreover, this thesis shows that Fe-(hydr)oxide nanoparticles form strong aggregates with organic matter and thereby improve aggregate stability and water retention in soils.

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