Biological fermentative hydrogen and ethanol production using continuous stirred tank reactor

Han, Wei; Chen, Hong; An-ying, Jiao; Wang, Zhanqing; Li, Yongfeng; Ren, Nanqi

doi:10.1016/j.ijhydene.2011.04.048

Cited by 28 publications

(21 citation statements)

References 18 publications

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“…Hydrogen production from immobilized cells on mycelia pellets was further investigated in the CSTR, and it obtained the maximum hydrogen production rate when the hydraulic retention time was 10 hours. The present results indicate the potential use of mycelia pellets as biological carriers to enhance hydrogen production …”

Section: Resultsmentioning

confidence: 53%

A review on bio-hydrogen production technology

Wang

Sheng

et al. 2018

Int J Energy Res

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Summary The progress of bio‐hydrogen technology has led to the development of new energy technologies and is significant for the sustainable use of energy. After summarizing current research results, this study discusses that the key to increasing the hydrogen production rate is to improve the activity of hydrogen producing bacteria under the conditions of anaerobic fermentation. Using waste to prepare hydrogen producing bacteria is the developmental trend. The primary factors influencing bio‐hydrogen production from plant straw fermentation are also pointed out, indicating the method to improve the hydrogen production rate from plant straw. In addition, application of artificial intelligence technology to a bio‐hydrogen production reactor is helpful to achieve automatic control of continuous bio‐hydrogen production and improve the rate of hydrogen production.

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Section: Resultsmentioning

confidence: 53%

A review on bio-hydrogen production technology

Wang

Sheng

et al. 2018

Int J Energy Res

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“…obtained a hydrogen yield of 3.47 mol/mol sucrose with ethanol as the major dissolved fermentation product from molasses fermentation. Han et al (2012) demonstrated simultaneous hydrogen and ethanol production from molasses with immobilized sludge, and achieved a maximum hydrogen production rate of 12.4 mmol/h/l and maximum ethanol production rate of 20.27 mmol/h/l. In addition to molasses, wastewater discharged from sweet potato starch manufacturers contains large quantities of starch residues that serve as desirable carbon sources for hydrogen and ethanol co-production.…”

Section: Sugar-based Byproducts From the Food Processing And Manufactmentioning

confidence: 96%

Mini review: hydrogen and ethanol co-production from waste materials via microbial fermentation

Soo

Yap

Hon

et al. 2015

World J Microbiol Biotechnol

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The simultaneous production of hydrogen and ethanol by microorganisms from waste materials in a bioreactor system would establish cost-effective and time-saving biofuel production. This review aims to present the current status of fermentation processes producing hydrogen accompanied by ethanol as a co-product. We outlined the microbes used and their fundamental pathways for hydrogen and ethanol fermentation. Moreover, we discussed the exploitation of renewable and sustainable waste materials as promising feedstock and the limitations encountered. The low substrate bioconversion rate in hydrogen and ethanol co-production is regarded as the primary constraint towards the development of large scale applications. Thus, microbes with an enhanced capability have been generated via genetic manipulation to diminish the inefficiency of substrate consumption. In this review, other potential approaches to improve the performance of co-production through fermentation were also elaborated. This review will be a useful guide for the future development of hydrogen and ethanol co-production using waste materials.

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“…Another solution is the addition of a methanogen inhibitor, such as iodoform [12,13]. Due to methanogenesis inhibition, dark fermentation usually leads to hydrogen and VFA accumulation, especially high carbon fatty acids such as caproate, production of ethanol and accumulation of lactate [14,15]. As already mentioned, the slowest and, therefore, rate-limiting step of dark fermentation is the hydrolysis of solids in the waste stream [11].…”

Section: Vfa Production Through Dark Fermentationmentioning

confidence: 99%

Utilization of Volatile Fatty Acids from Microalgae for the Production of High Added Value Compounds

et al. 2017

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Volatile Fatty Acids (VFA) are small organic compounds that have attracted much attention lately, due to their use as a carbon source for microorganisms involved in the production of bioactive compounds, biodegradable materials and energy. Low cost production of VFA from different types of waste streams can occur via dark fermentation, offering a promising approach for the production of biofuels and biochemicals with simultaneous reduction of waste volume. VFA can be subsequently utilized in fermentation processes and efficiently transformed into bioactive compounds that can be used in the food and nutraceutical industry for the development of functional foods with scientifically sustained claims. Microalgae are oleaginous microorganisms that are able to grow in heterotrophic cultures supported by VFA as a carbon source and accumulate high amounts of valuable products, such as omega-3 fatty acids and exopolysaccharides. This article reviews the different types of waste streams in concert with their potential to produce VFA, the possible factors that affect the VFA production process and the utilization of the resulting VFA in microalgae fermentation processes. The biology of VFA utilization, the potential products and the downstream processes are discussed in detail.

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Biological fermentative hydrogen and ethanol production using continuous stirred tank reactor

Cited by 28 publications

References 18 publications

A review on bio-hydrogen production technology

A review on bio-hydrogen production technology

Mini review: hydrogen and ethanol co-production from waste materials via microbial fermentation

Utilization of Volatile Fatty Acids from Microalgae for the Production of High Added Value Compounds

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