Biohydrogen production by immobilized Enterobacter aerogenes on functionalized multi-walled carbon nanotube

被引：62

作者：

Boshagh, Fatemeh ^{[1
]}

Rostami, Khosrow ^{[2
]}

Moazami, Nasrin ^{[2
]}

机构：

[1] IROST, Dept Chem Technol, POB 3353-5111, Tehran, Iran

[2] IROST, Dept Biotechnol, POB 3353-5111, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 28期

基金：

美国国家科学基金会;

关键词：

Biohydrogen production; Carbon nanotube; Dark fermentation; Enterobacter aerogenes; Immobilization; FLUIDIZED-BED BIOREACTOR; HYDROGEN-PRODUCTION; OXIDE NANOPARTICLES; NICKEL NANOPARTICLES; MIXED CULTURE; MILL EFFLUENT; PALM OIL; ENHANCEMENT; SLUDGE; HEMATITE;

D O I：

10.1016/j.ijhydene.2018.11.199

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrogen production by immobilized Enterobacter aerogenes on functionalized multi-walled carbon nanotube (MWCNT-COOH) in repeated batch mode was studied. Fourier transform infrared (FTIR) spectroscopy and field emission scanning electron microscopy (FESEM) were employed to confirm immobilization of E. aerogenes successfully. The effect of MWCNT-COOH concentrations (0.2, 0.6, and 1.2 mg/mL) on hydrogen production was investigated. The present study showed that immobilized E. aerogenes on 1.2 mg/mL MWCNT-COOH resulted in higher hydrogen yield (2.2 moL/mol glucose), hydrogen production rate (2.72 L/L.h), and glucose degradation efficiency (96.20%) and shorter the lag phase (1 h) compared to the free E. aerogenes. Modified Gompertz and Logistic models were employed to predict the cumulative hydrogen production successfully. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：14395 / 14405

页数：11

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