Bio-based superhydrophilic foam membranes for sustainable oil-water separation

被引：103

作者：

Chaudhary, Jai Prakash ^{[1
,3
]}

Nataraj, Sanna Kotrappanavar ^{[2
,3
]}

Gogda, Azaz ^{[1
]}

Meena, Ramavatar ^{[1
,3
]}

机构：

[1] CSIR, Cent Salt & Marine Chem Res Inst, Scale Up & Proc Engn Unit Discipline, Bhavnagar 364002, Gujarat, India

[2] CSIR, Cent Salt & Marine Chem Res Inst, RO Div, Bhavnagar 364002, Gujarat, India

[3] AcSIR, Cent Salt & Marine Chem Res Inst, Bhavnagar 364002, Gujarat, India

来源：

GREEN CHEMISTRY | 2014年 / 16卷 / 10期

关键词：

OIL/WATER SEPARATION; WASTE-WATER; HIGH-FLUX; SPILL; SCAFFOLDS;

D O I：

10.1039/c4gc01070a

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

The development of a low-cost, high-performance, biobased membrane technology has been attempted to treat environmentally sensitive wastewater streams. Novel foam membranes (FMs) were derived from agarose (Agr) and gelatin (Gel) in combination with a non-toxic fruit extract and natural crosslinker, genipin (G). FMs were successfully tested for their oil water separation efficiencies. FMs attained unique capillary microstructures (10-45 mu m) as a result of the controlled lyophilization process, which allows selective permeation of water. Stable microporous membranes with nominal pore sizes in between the microfiltration and ultrafiltration range generated as high as >500 L m(-2) h(-1) continuous flux with similar to 98% pure product water. One of the advantages of these FMs is that after oil water separation, they can undergo an easy membrane cleaning process, thereby retaining surface activity for long term performance.

引用

页码：4552 / 4558

页数：7

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