Search Results - "Loch, J P"

The Effectiveness of Electro-Remediation of Aged, Metal-Contaminated Sediment in Relation to Sequential Extraction of Metals by Merkx, O. K., Loch, J. P. G., Lima, A. T., Dijk, J. A., de Kreuk, J. F., Kleingeld, P. J.

“…Soil pollution is a universal environmental issue, and the clean-up of contaminated soils can be costly and time consuming. Traditional methods often do not…”
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Induced membrane potentials in chemical osmosis across clay membranes by Heister, Katja, Kleingeld, Pieter J., Gustav Loch, J.P.

“…Clay layers act as semipermeable membranes in the flow of fluids, electrical charge, chemicals and heat. At zero gradients of temperature and hydrostatic…”
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Chemical Osmosis in Compacted Dredging Sludge by Keijzer, Th. J. S., Loch, J. P. G.

“…Sediments of high clay content are known to exhibit semipermeable properties when compaction is sufficiently high, resulting in osmotically induced water and…”
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A new laboratory set-up for measurements of electrical, hydraulic, and osmotic fluxes in clays by Heister, Katja, Kleingeld, Pieter J., Keijzer, Thomas J.S., Loch, J.P. Gustav

“…If clays are subjected to flows of fluid, electrical charge, chemicals, or heat, in most cases, flows of different types occur simultaneously, even if only one…”
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Evaporation as the transport mechanism of metals in arid regions by Lima, Ana T., Safar, Zeinab, Loch, J.P. Gustav

“…•Evaporation dictates water flow and heavy metal transport in soils of arid regions.•Heavy metals will accumulate at the surface of contaminated soil,…”
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Mobilisation of heavy metals in contaminated sediments in the River Meuse, The Netherlands by VAN DEN BERG, G. A, LOCH, J. P. G, VAN DER HEIJDT, L. M, ZWOLSMAN, J. J. G

“…Due to seasonal variation in bottom-water temperature and degradation of organic matter, the depths of the redox boundaries fluctuate in sediments of the river…”
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Assessing PAH removal from clayey soil by means of electro-osmosis and electrodialysis by Lima, Ana T., Ottosen, Lisbeth M., Heister, Katja, Loch, J.P. Gustav

“…Polycyclic aromatic hydrocarbons (PAH) are persistent and toxic contaminants which are difficult to remove from fine porous material like clayey soils. The…”
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In situ electro-osmotic cleanup of tar contaminated soil—Removal of polycyclic aromatic hydrocarbons by Lima, Ana T., Kleingeld, Pieter J., Heister, Katja, Loch, J.P. Gustav

“…An in situ electro-osmosis experiment was set up in a tar contaminated clay soil in Olst, the Netherlands, at the site of a former asphalt factory. The main…”
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Removal of PAHs from contaminated clayey soil by means of electro-osmosis by Lima, Ana T., Kleingeld, Pieter J., Heister, Katja, Loch, J.P. Gustav

“…► Electro-osmosis application to PAH contaminated peaty clay which was in contact with tar for over 100 years. ► Reference electrodes are an essential tool…”
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Effect of fluctuating hydrological conditions on the mobility of heavy metals in soils of a freshwater estuary in The Netherlands by VAN DEN BERG, G. A, LOCH, J. P. G, WINKELS, H. J

“…The objective of this study was to measure the mobility of heavy metals in freshwater estuary soils that are seasonally inundated and to characterize the…”
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Sorption of Benzo[a]pyrene and Phenanthrene on Suspended Harbor Sediment as a Function of Suspended Sediment Concentration and Salinity: A Laboratory Study Using the Cosolvent Partition Coefficient by Hegeman, Wim J. M, Van Der Weijden, Cornelis H, Loch, J. P. Gustav

“…It is shown that nonaqueous-phase liquids may sequester hydrophobic compounds and reduce the aqueous concentrations to levels so low that biodegradation is…”
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Decalcification of soils subject to periodic waterlogging by Berg, G.A. van den, Loch, J.P.G

“…Summary Intense decalcification of fine‐grained organic‐rich soils subject to periodic oxidation and reduction takes place in the Biesbosch, a freshwater,…”
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Bentonite electrical conductivity: a model based on series–parallel transport by Lima, Ana T., Loch, J. P. Gustav, Kleingeld, Pieter J.

“…Bentonite has significant applications nowadays, among them as landfill liners, in concrete industry as a repairing material, and as drilling mud in oil well…”
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Geochemical effects of electro-osmosis in clays by Loch, J. P. Gustav, Lima, Ana Teresa, Kleingeld, Pieter J.

“…Geochemical effects of electro-osmosis in bentonite clay are studied in the laboratory, where a 6 mm thick bentonite layer is subjected to direct current…”
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Dissolution kinetics of heavy metals in dutch carbonate- and sulfide-rich freshwater sediments by BUYKX, S. E. J, VAN DEN HOOP, M. A. G. T, LOCH, J. P. G

“…In two sulfide-rich freshwater sediments from the Biesbosch and Kromme Rijn River in the Netherlands differing in carbonate content and acid volatile sulfide…”
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Vertical distribution of acid-volatile sulfide and simultaneously extracted metals in a recent sedimentation area of the river Meuse in the Netherlands by van den Berg, Gerard A., Loch, J. P. Gustav, van der Heijdt, Lambertus M., Zwolsman, John J.G.

“…The bioavailability of heavy metals in sediments may be strongly decreased by the presence of AVS (acid‐volatile sulfide). In contaminated freshwater…”
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Analysis of metal ions migration to determine electro-osmotic flow for the in-situ cleanup of a tar-contaminated site by Lima, Ana T., Rodrigues, Paulo C., Loch, J.P. Gustav

“…An electro-osmosis experiment was set up on a former asphalt factory site, which is currently contaminated by tar, in Olst, the Netherlands. The main goal of…”
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Stability of clay membranes in chemical osmosis by Heister, K, Keijzer, T.J.S, Loch, J.P.G

“…In an earlier study on chemical osmosis in clay membranes, a slow dissipation of the osmotically induced hydraulic pressure difference was observed. This…”
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Redox Processes in Recent Sediments of the River Meuse, The Netherlands by Van Den Berg, Gerard A., J. P. Gustav Loch, Van Der Heijdt, Lambertus M., John J. G. Zwolsman

“…Pore-water concentrations of inorganic solutes were measured at four locations in a recent sedimentation area of the river Meuse in The Netherlands. The…”
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Sorption kinetics and transformation of DDT in sediment by Hoop, M.A.G.T. van den, Kreule, P, Loch, J.P.G

“…The overall objective of this study was to investigate the sorption kinetics of DDT in sediment under similar experimental conditions employed in corresponding…”
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