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. 2017 Jan 6;7:40096. doi: 10.1038/srep40096

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Copyright © 2017, The Author(s)

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(a) Schematic illustration of cellulose nanofibril based-aerogel as W/O/W membrane microreactor for extraction and separation. (b) Optical microscope image of saturated aerogel microspheres dispersed in Kerosene-silicone oil. (c) Extraction of phenol using NaOH saturated TNM-6-2 based membrane, NaOH = 0.8 wt%, oil:saturated aerogel = 1.5:1 (v/v), membrane phase: external phase = 1:2 (v/v), Span80 = 2 wt% based oil; Extraction of Cu²⁺ using EDTA saturated TNM-6-2 based membrane, EDTA-2Na = 1 wt%, oil:saturated aerogel = 1.5:1 (v/v), membrane phase: external phase = 1:2 (v/v), Span80 = 2 wt% based oil, Metral^® 84 H = 10 vol% based oil. (d) Phenol extraction efficiency as a function of the repeat cycle using regenerated TNM-6-2.