Facile and Scalable Flow-Induced Deposition of Organosilica on Porous Polymer Supports for Reverse Osmosis Desalination

Facile and Scalable Flow-Induced Deposition of Organosilica on Porous Polymer Supports for Reverse Osmosis Desalination

The fabrication of a continuous and uniform organosilica membrane on a porous polymer substrate was achieved via a facile and technologically scalable flow-induced deposition (FD) approach. The uniformity of the thickness of an organosilica separation layer on a polymer surface with a large area was...

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Veröffentlicht in:ACS applied materials & interfaces 2018-04, Vol.10 (16), p.14070-14078
Hauptverfasser: Gong, Genghao, Nagasawa, Hiroki, Kanezashi, Masakoto, Tsuru, Toshinori
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container_issue 16
container_start_page 14070
container_title ACS applied materials & interfaces
container_volume 10
creator Gong, Genghao
Nagasawa, Hiroki
Kanezashi, Masakoto
Tsuru, Toshinori
description The fabrication of a continuous and uniform organosilica membrane on a porous polymer substrate was achieved via a facile and technologically scalable flow-induced deposition (FD) approach. The uniformity of the thickness of an organosilica separation layer on a polymer surface with a large area was improved significantly via this two-step FD approach. Meanwhile, the optimal concentration of the organosilica used in membrane preparation was also investigated. This polymer-supported organosilica layered-hybrid membrane showed a high level of NaCl rejection (97.5–99%) in the reverse osmosis desalination of a 2000 ppm NaCl solution at an operating pressure of 3 MPa. This membrane also exhibited good stability and flexibility when rolled into a curvature radius of 11 mm.
doi_str_mv 10.1021/acsami.7b19075
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title Facile and Scalable Flow-Induced Deposition of Organosilica on Porous Polymer Supports for Reverse Osmosis Desalination
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