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Capping contaminated sediments is an in situ remediation technique by placing capping material on top of the sediments to prevent continued contamination of surface water and biota from contaminated sediments. Capping is considered as much cheaper than dredging and is expected to be very effective to block the diffusion of contaminants in short-term. The research on capping material for controlling...
It is reported for the first time a process technology to fabricate sub-100 nm silicon nano-channels with ultra high aspect ratio (~160) for micro fluidics, nano-filtration and pathogen detection applications. A novel double passivation deep reactive ion etching process has been developed to realize ultra high aspect ratio silicon nano-channels which is further narrowed by deposition of polysilicon...
A new rechargeable dialysis pore water sampler is proposed that is adapted to the requirements of monitoring in-situ sediment remediation techniques, in particular in-situ capping. Sampling and recharging of the sampler can be carried out from a boat or a pontoon by means of separate tubing and a peristaltic pump. The possibility of repeated sampling permits a temporal as well as a spatial resolution...
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