Dewatering of microalgae suspension using air-sparged ultrafiltration

被引：6

作者：

Shahid, Yusra ^{[1
]}

Ghosh, Raja ^{[1
]}

机构：

[1] McMaster Univ, Dept Chem Engn, 1280 Main St West, Hamilton, ON L8S 4L7, Canada

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2017年 / 52卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Air-sparging; biofuel; dewatering; microalgae; ultrafiltration; HOLLOW-FIBER MEMBRANE; CROSS-FLOW MICROFILTRATION; CRITICAL FLUX; BIOMASS; WATER; BIOREACTORS; FILTRATION; BIOFUEL; ALGAE; MBR;

D O I：

10.1080/01496395.2016.1215331

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dewatering is one of the bottlenecks in microalgae-based biofuel production. Ultrafiltration is a scalable and chemical additive-free dewatering technique. In this paper, we examine air-sparging for mitigating the problem of microalgae cake formation during ultrafiltration. The extent of cake formation was assessed and its detrimental effect on filtration performance was quantified. Our results indicated that microalgae cake-layer formation could be inhibited by gas-sparging, the effects of which were observed as enhancement in a permeate flux and biomass recovery. These improvements were found to be linked to the intensity of gas-sparging as well as the design of the ultrafiltration device.

引用

页码：344 / 351

页数：8

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