saccharification and fermentation processes romania

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  • Simultaneous Saccharification and Fermentation

    Simultaneous Saccharification and Fermentation Process. SSF technology born in the 70s of the past century was assimilated by starch-processing industry for ethanol production obtaining high and sustainable yields of the order of 0.410L/kg of corn (Madson and Monceaux, 1995).

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  • Saccharification - an overview | ScienceDirect Topics

    Combining saccharification and fermentation processes is an alternative method used for the production of cellulolytic enzyme with the advantage of high efficiency and simple process. Combining mathematical modeling with bioprocess technology is a useful strategy to optimize process parameters and harness the true output of microbial metabolic ...

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  • (PDF) Simultaneous saccharification and fermentation

    Simultaneous saccharification and fermentation (SSF) processes for producing ethanol from lignocellulose are capable of improved hydrolysis rates, yields, and product concentrations compared to ...

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  • SIMULTANEOUS SACCHARIFICATION AND

    2019-7-12 · processes from EFBs. Thus, this study aims to optimize the process conditions for bioethanol production from EFBs through simultaneous saccharification and fermentation (SSF) process using Response Surface Methodology (RSM). This study can be divided into two main parts which are the screening of the optimum ...

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  • Simultaneous Saccharification and Fermentation and

    The fermentation broths using S. cerevisiae, the maximum ethanol yield recorded with combined acid and enzyme hydrolysate fermentation broth (0.23 g/l), directly followed by enzyme hydrolysate (0.18 g/l), while the least ethanol yield was obtained from acid hyrolysate (0.12 g/l) for the fermentation of 5 days at 30°C and pH 4.5 (Figure 7).

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  • Saccharification and Bioethanol Fermentation of ...

    The saccharification was increased to 94.88% by removal of the hydrolysate after 24h by using a two-step hydrolysis. Significant lactic acid production (27.8mg/mL) was obtained by separate saccharification and fermentation after 72h of incubation.

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  • Enzymatic saccharification and fermentation of

    2011-4-27 · simultaneous saccharification and fermentation, an alternative process to break down lignocellulose whereby all the intermediate processes were conducted simultaneously while undergoing microbial yeast fermentation. Temperature, substrate concentration and pH factors of fermentation …

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  • (PDF) Simultaneous Saccharification and Fermentation

    2014-12-4 · Simultaneous saccharification and fermentation (SSF) is a promising process for bioconversion of lignocellulosic biomass. High glucan loading for hydrolysis and fermentation is an efficient approach to reduce the capital costs for bio-based products production. The SSF of steam-exploded corn stover (SECS) for ethanol production at high glucan loading and high temperature was …

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  • Simultaneous hydrolysis and fermentation of

    2013-3-8 · Simultaneous saccharification (hydrolysis) and fermentation (SSF). The difference between this process and the previous is as follow: the enzymatic hydrolysis is carried out for a short period of 24 hours at 50oC, followed by inoculation and the temperature is decreased at 40oC. Afterwards the b) and c) phase from the previous processes are carried

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  • PRELIMINARY STUDY FOR OPTIMIZATION OF

    2015-1-31 · optimization of saccharification and fermentation processes (Kim et al., 2008). Once the cellulose is converted into glucose, it can be easily fermented to produce ethanol (Champagne et al., 2010). The aim of this paper was to determine the possibility of improvement of

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  • Ethanol production in (the) People’s Republic of China ...

    2009-11-1 · The cooking, liquefaction and saccharification processes of ethanol production are a contiguous process technology. The temperature of the cooking process is higher than 100. °C.. However, in recent years, a lower temperature cooking process by synchronizing the saccharification and fermentation processes are being developed in Germany and the US.

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  • Factors influencing the fermentation process and ethanol ...

    non cooked mashes was analyzed and the results from short fermentation process of 46 hours were compared to those from the long fermentation process of 72 hours. From the three samples which fermented simultaneous, one was stopped at 46 hours, and the two other continued fermentation processes for 72 hours.

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  • Bioethanol production from common reed (Phragmites ...

    2018-4-27 · To overcome this obstacles, simultaneous saccharification and fermentation (SSF) was applied by several researchers. However, the optimum process temperatures for saccharification and fermentation is different and that require to produce ethanol by separated applications (SHF-separate enzymatic hydrolysis and fermentation) (C.E. WYMAN [7]).

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  • BIO FUELSFROMCELLULOSEBYMICROWAVEIRRADIATION

    2016-5-24 · Simultaneous Saccharification and Fermentation (SSF) and conventional process. The results shows that conventional heating during 8 min has better glucose yield than microwave heating at 500 W during 5 min, respectively 66.03 % (g glucose/g raw material) and 53.15 % at pH 12.

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  • Plate Heat Exchanger industrial, Plate Heat Exchangers

    2021-6-6 · Liquefaction, Saccharification, Fermentation, Condensation, Heat Recovery, Reboiler Processes ” alt=”Chemicals & Petrochemicals”/> Chemicals & Petrochemicals. Solvent Recovery, Cooling & Heating of Acids and Caustic Solutions, Heat Recovery from Flue Gases.

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  • Biofuels - 1st Edition

    Fermented Beverage. Fermented beverages are complex solutions of thousands of chemical compounds originating from the fruit itself, from the fermentation process, from the yeast and other microbial metabolism during fermentation, and from postfermentation steps (including secondary fermentations and chemical reactions during aging) (Polášková et al., 2008).

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  • BIOETHANOL PRODUCTION FROM RESIDUAL

    2013-11-11 · saccharification and fermentation of lignocellulosic residues pretreated with phosphoric acid–acetone for bioethanol production. Bioresource Technology, 100(13), 3245–3251. Linde, M., Galbe, M., & Zacchi, G. 2007. Simultaneous saccharification and fermentation of steam-pretreated barley straw at low enzyme loadings and low yeast concentration.

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  • BIO FUELSFROMCELLULOSEBYMICROWAVEIRRADIATION

    2012-3-19 · Simultaneous Saccharification and Fermentation (SSF) and conventional process. The results shows that conventional heating during 8 min has better glucose yield than microwave heating at 500 W during 5 min, respectively 66.03 % (g glucose/g raw material) and 53.15 % at pH 12.

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  • sunliquid® - Clariant

    2021-3-15 · 19 subsequent fermentation; this yield was predicted vs. time up to 5.2% w/v PSF loading using 20 a mathematical model fitted only on data at 1.5%. Finally, high PSF loading (7.5%) and 21 scaleup were shown to impair the saccharification yield, but alcoholic fermentation could still

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  • Hydrolysis and fermentation steps of a pretreated sawmill ...

    2014-2-21 · 11 Romania 17.100 The total volume of the beer production in Romania reached 17,1 million hl in 2011, it maintains almost at the same level as the previous year, and the sales of the members of Romania’s Brewers Association reached a volume of 15,6 million hl. The total investments made by

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  • Proceedings of the International MultiConference of ...

    Comparison of SSF and SHF processes for biorefinery annexed to a typical South African sugar mill 8 th Euro Biotechnology Congress. M Ali Mandegari, S Farzad and J F Gorgens. University of Stellenbosch, South Africa. Posters-Accepted Abstracts: Biotechnol Biomater. DOI: 10.4172/2155-952X.S1.038

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  • Comparison Of SSF And SHF Processes For Biorefinery ...

    2019-2-21 · Simultaneous saccharification and fermentation (SSF) A previous study showed that 2-naphthol at concentrations higher than 0.1 g/l can inhibit the fermentation of glucose to ethanol [ 27 ]. In order to investigate whether the usage of 2-naphthol in the steam explosion pretreatment of spruce wood can also enhance the ethanol yield or whether it ...

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  • Two-stage steam explosion pretreatment of softwood

    Applied and Environmental Microbiology Journal. Read the latest results in applied microbial research, basic microbial ecology research, and genetic and molecular investigations of microbial topics.

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  • Applied and Environmental Microbiology Journal

    However, the rice bran contains about 15% cellulose, which is not hydrolyzed during saccharification and leads to high viscosity of the fermentation broth. The project aims to select a thermophilic strain, for achieving high-temperature fermentation and reducing viscosity, to …

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  • Budapest University of Technology and Economics

    2019-5-21 · saccharification and fermentation (SSF) of industrial wastes for the ... Romania. - Kádár, Zs., Varga, E. and Réczey, K. (1999) Possible substrates for ethanol fermentation. 3rd European Motor Biofuels Forum, October 10-13, Brussels, Belgium. ... was slowly transformed by geological processes into coal, oil, and natural gas.

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  • Frontiers | Fermentation Process and Metabolic Flux of ...

    2021-6-7 · Romania: Petruta Cornea: University of Agronomic Sciences and Veterinary Medicines ... aim of this project is the generation of improved thermotolerant yeast strains and their application to industrial fermentation processes (wine, beer, cider and bioethanol). ... This cellulase is favored for saccharification of pulp because of the higher ...

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  • CoBioTech: ERA-IB 6th Joint Call

    2010-7-14 · ultrasound have a beneficial effect on saccharification processes [10]. Sonication have been reported to decrease cellulase requirements by 1/3 to 1/2 [11] and to increase ethanol production from mixed waste office paper by approximately 20% [12]. It was notice that the

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  • Ultrasonically Assisted Conversion of Lignocellulosic ...

    There is an Open Access version for this licensed article that can be read free of charge and without license restrictions. The content of the Open Access version may differ from

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  • Effects of Surfactants on Simultaneous

    2018-2-28 · The biobutanol stream obtained after the fermentation step in the acetone–butanol–ethanol process has a low concentration (less than 3 wt % butanol) that leads to high energy usage for conventional downstream separation. To overcome the high downstream processing costs, this study proposes a novel intensified separation process based on a heat pump (vapor recompression) …

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  • Eco-efficient Downstream Processing of Biobutanol by ...

    2019-10-8 · It has been suggested that off-site manufacturing could benefit from economies of scale and have a near-term competitive advantage in optimized fermentation processes, achieving higher protein yields and cost-effectiveness [7, 28]. The capital investment is the main contributor to the cost of enzyme production in this scenario [4, 22].

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  • The influence of feedstock characteristics on enzyme ...

    Downloadable (with restrictions)! Overproduction of metabolites, high product yield and process economics are greatly influenced by the media composition used for growth and fermentation. The main purpose of this study is to enhance the ethanol production through statistical tool of response surface methodology (RSM) by optimizing media components for the growth and fermentation of ...

    Get Price
  • Augmentation of ethanol production through

    2016-2-17 · Although only a modest amount lower, these plants have a reduced syringyl:guaiacyl lignin monomer ratio and increased ethanol yield by up to 38% using conventional biomass fermentation processes 8. Several other cell wall mutations or manipulations have increased productivity of biomass and/or lowered biomass recalcitrance.

    Get Price
  • Plant-based biofuels | F1000Research

    teodor vintila, Usamvbt, Biotechnology Department, Faculty Member. Studies History and Classical tradition studies, Anthropology of Performance, and Microbiology and Immunology.

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  • Proceedings of the International MultiConference of ...

    2014-2-21 · 11 Romania 17.100 The total volume of the beer production in Romania reached 17,1 million hl in 2011, it maintains almost at the same level as the previous year, and the sales of the members of Romania’s Brewers Association reached a volume of 15,6 million hl. The total investments made by

    Get Price
  • Current Functionality and Potential Improvements of

    2020-8-1 · Fermentation processes also offer suitable pH conditions for phytate enzymatic degradation. Such a reduction in phytate may increase the amount of soluble iron, zinc, and calcium several fold, correcting the nutritional status of cereal-based beverages and foods [ 19 ].

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  • Eco-efficient Downstream Processing of Biobutanol by ...

    2018-2-28 · The biobutanol stream obtained after the fermentation step in the acetone–butanol–ethanol process has a low concentration (less than 3 wt % butanol) that leads to high energy usage for conventional downstream separation. To overcome the high downstream processing costs, this study proposes a novel intensified separation process based on a heat pump (vapor recompression) …

    Get Price
  • Mini beer brewery equipment and small nano brewing

    It consists of a compact integrated beer mash tank and three beer fermentation tanks. All the saccharification processes are carried out in the saccharification tank. It is very easy to operate the touch screen and several buttons. The fermentation tank is equipped with a self heating device, which can adjust the temperature by itself.

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  • Ethanol Production - United Petroleum

    Saccharification The mash is then cooled and the secondary enzyme (gluco-amylase) added to convert the liquefied starch to fermentable sugars. Fermentation Yeast is added to ferment the sugars to ethanol in a batch fermentation process which lasts for up to 48 hours. Distillation

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  • Quality - mussimdt.com

    Quality. MDT is certified UNI EN ISO 9001:2008 by ACSQ srl. MDT Quality System is implemented through scrupulous observance of the requirements contained in the Quality Manual and using procedures, operating instructions, forms and all other documents in the manual.

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  • Augmentation of ethanol production through

    Downloadable (with restrictions)! Overproduction of metabolites, high product yield and process economics are greatly influenced by the media composition used for growth and fermentation. The main purpose of this study is to enhance the ethanol production through statistical tool of response surface methodology (RSM) by optimizing media components for the growth and fermentation of ...

    Get Price
  • Plant-based biofuels | F1000Research

    2016-2-17 · Although only a modest amount lower, these plants have a reduced syringyl:guaiacyl lignin monomer ratio and increased ethanol yield by up to 38% using conventional biomass fermentation processes 8. Several other cell wall mutations or manipulations have increased productivity of biomass and/or lowered biomass recalcitrance.

    Get Price
  • teodor vintila | Usamvbt - Academia.edu

    teodor vintila, Usamvbt, Biotechnology Department, Faculty Member. Studies History and Classical tradition studies, Anthropology of Performance, and Microbiology and Immunology.

    Get Price
  • Joachim Venus – Program Coordinator; Group Leader ...

    However, the rice bran contains about 15% cellulose, which is not hydrolyzed during saccharification and leads to high viscosity of the fermentation broth. The project aims to select a thermophilic strain, for achieving high-temperature fermentation and reducing viscosity, to …

    Get Price