Continuous operation of hydrogen bio-production reactor with ethanol-type fermentation

Nan Qi Ren; Man Li Gong; De Feng Xing

Continuous operation of hydrogen bio-production reactor with ethanol-type fermentation

Nan Qi Ren^*
, Man Li Gong
, De Feng Xing

^*Corresponding author for this work

School of Environment

Harbin Institute of Technology

Research output: Contribution to specialist publication › Article

Abstract

The natural response of a continuous stirred tank reactor (CSTR) for hydrogen bio-production using molasses wastewater as substrate was investigated. Emphasis was placed on assessing the operational controlling strategy on the stable operation of CSTR with high efficiency. It was found that at an initial biomass of 15g/L, an equilibrial microbial community in the ethanol-type fermentation and efficient stable operation of CSTR could be established with following conditions: temperature of 35°C±1°C, COD organic loading rate (OLR) of 40kg/(m³d), hydraulic retention time (HRT) of 4h, pH value of 4.6-4.9 and oxidation reduction potential (ORP) of - 450- -470mV. Following that, hydrogen production in the reactor was relatively stable. The observed maximal hydrogen bio-production rate was 7.63m ³/(m³·d). The content of hydrogen in the biogas was about 40% - 58%. COD removal rate was between 22% - 26%. The total content of ethanol and acetic acid in the fermentative end products was above 80%.

Original language	English
Pages	113-116
Number of pages	4
Volume	55
No	1
Specialist publication	Surface Mining - Braunkohle and Other Minerals
State	Published - Jan 2003

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Ethanol-type fermentation
Hydrogen bio-production
Hydrogen production rate
Microbial community

Cite this

@misc{4f7464318b5e4eeeadaef37825a8833f,

title = "Continuous operation of hydrogen bio-production reactor with ethanol-type fermentation",

abstract = "The natural response of a continuous stirred tank reactor (CSTR) for hydrogen bio-production using molasses wastewater as substrate was investigated. Emphasis was placed on assessing the operational controlling strategy on the stable operation of CSTR with high efficiency. It was found that at an initial biomass of 15g/L, an equilibrial microbial community in the ethanol-type fermentation and efficient stable operation of CSTR could be established with following conditions: temperature of 35°C±1°C, COD organic loading rate (OLR) of 40kg/(m3d), hydraulic retention time (HRT) of 4h, pH value of 4.6-4.9 and oxidation reduction potential (ORP) of - 450- -470mV. Following that, hydrogen production in the reactor was relatively stable. The observed maximal hydrogen bio-production rate was 7.63m 3/(m3·d). The content of hydrogen in the biogas was about 40\% - 58\%. COD removal rate was between 22\% - 26\%. The total content of ethanol and acetic acid in the fermentative end products was above 80\%.",

keywords = "Ethanol-type fermentation, Hydrogen bio-production, Hydrogen production rate, Microbial community",

author = "Ren, \{Nan Qi\} and Gong, \{Man Li\} and Xing, \{De Feng\}",

year = "2003",

month = jan,

language = "英语",

volume = "55",

pages = "113--116",

journal = "Surface Mining - Braunkohle and Other Minerals",

issn = "0931-3990",

publisher = "GDMB Informationsgesellschaft mbH",

}

TY - GEN

T1 - Continuous operation of hydrogen bio-production reactor with ethanol-type fermentation

AU - Ren, Nan Qi

AU - Gong, Man Li

AU - Xing, De Feng

PY - 2003/1

Y1 - 2003/1

N2 - The natural response of a continuous stirred tank reactor (CSTR) for hydrogen bio-production using molasses wastewater as substrate was investigated. Emphasis was placed on assessing the operational controlling strategy on the stable operation of CSTR with high efficiency. It was found that at an initial biomass of 15g/L, an equilibrial microbial community in the ethanol-type fermentation and efficient stable operation of CSTR could be established with following conditions: temperature of 35°C±1°C, COD organic loading rate (OLR) of 40kg/(m3d), hydraulic retention time (HRT) of 4h, pH value of 4.6-4.9 and oxidation reduction potential (ORP) of - 450- -470mV. Following that, hydrogen production in the reactor was relatively stable. The observed maximal hydrogen bio-production rate was 7.63m 3/(m3·d). The content of hydrogen in the biogas was about 40% - 58%. COD removal rate was between 22% - 26%. The total content of ethanol and acetic acid in the fermentative end products was above 80%.

AB - The natural response of a continuous stirred tank reactor (CSTR) for hydrogen bio-production using molasses wastewater as substrate was investigated. Emphasis was placed on assessing the operational controlling strategy on the stable operation of CSTR with high efficiency. It was found that at an initial biomass of 15g/L, an equilibrial microbial community in the ethanol-type fermentation and efficient stable operation of CSTR could be established with following conditions: temperature of 35°C±1°C, COD organic loading rate (OLR) of 40kg/(m3d), hydraulic retention time (HRT) of 4h, pH value of 4.6-4.9 and oxidation reduction potential (ORP) of - 450- -470mV. Following that, hydrogen production in the reactor was relatively stable. The observed maximal hydrogen bio-production rate was 7.63m 3/(m3·d). The content of hydrogen in the biogas was about 40% - 58%. COD removal rate was between 22% - 26%. The total content of ethanol and acetic acid in the fermentative end products was above 80%.

KW - Ethanol-type fermentation

KW - Hydrogen bio-production

KW - Hydrogen production rate

KW - Microbial community

UR - https://www.scopus.com/pages/publications/27744528858

M3 - 文章

AN - SCOPUS:27744528858

SN - 0931-3990

VL - 55

SP - 113

EP - 116

JO - Surface Mining - Braunkohle and Other Minerals

JF - Surface Mining - Braunkohle and Other Minerals

ER -

Continuous operation of hydrogen bio-production reactor with ethanol-type fermentation

Abstract

UN SDGs

Keywords

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