Compositions and methods for direct capture of organic materials from process streams

Lin, YuPo J.; Brotzman, Richard W.; Snyder, Seth W.

Title: Compositions and methods for direct capture of organic materials from process streams

Patent · Tue Aug 09 00:00:00 EDT 2016

OSTI ID:1289942

Lin, YuPo J.; Brotzman, Richard W.; Snyder, Seth W.

A particulate magnetic nanostructured solid sorbent (MNSS) material is described herein. The particles of the MNSS comprise a plurality of tethered nanoparticles. The nanoparticles are tethered together by substantially linear hydrocarbon chains, a poly(alkylene oxide) chains, or a combination thereof connecting the nanoparticles in a three-dimensional elastic network with the nanoparticles as junctions of the network having junction functionality of about 2.1 to about 6. The surfaces of at least some of the nanoparticles comprise a polymerized siloxane bearing at least one sorption-aiding substituent selected from a hydrophilic group and a lipophilic group. The plurality of nanoparticles is made up of superparamagnetic nanoparticles or a combination of superparamagnetic and non-magnetic nanoparticles. The individual superparamagnetic nanoparticles comprise a passivating metal oxide coating around a core comprising at least one nanocrystalline metal or alloy having ferromagnetic or ferrimagnetic properties.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-06CH11357

Assignee:: UCHICAGO ARGONNE, LLC (Chicago, IL)

Patent Number(s):: 9,409,148

Application Number:: 13/962,480

OSTI ID:: 1289942

Resource Relation:: Patent File Date: 2013 Aug 08

Country of Publication:: United States

Language:: English

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