journal article·2018-04-25

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

Genghao Gong, Hiroki Nagasawa, Masakoto Kanezashi, Toshinori Tsuru

ACS Applied Materials & Interfaces· Volume 10· Issue 16
Publisher page

Abstract

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.
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Research context

OpenAlex topics: Membrane Separation Technologies · Nanopore and Nanochannel Transport Studies · Electrohydrodynamics and Fluid Dynamics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, PR China

Department of Chemical Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan

Funding

Core Research for Evolutional Science and Technology · Japan Society for the Promotion of Science

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