Sugar beet as a raw material for bioethanol production

Hinkova, Andrea; Bubník, Z.

doi:10.17221/6612-cjfs

Cited by 28 publications

(15 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Raw beet juice contains 15–20% of dry matters with 85–90% of fermentable sugars and 10–15% of nonsugars [38]. Due to these available free sugar contents, beet juice can readily be used in fermentation after adjusting its pH making it more profitable feedstock for fuel ethanol production [27].…”

Section: Potential Juices Used As Feedstocksmentioning

confidence: 99%

Bioethanol Production from Fermentable Sugar Juice

Zabed

Faruq

Sahu

et al. 2014

The Scientific World Journal

228

160

View full text Add to dashboard Cite

Bioethanol production from renewable sources to be used in transportation is now an increasing demand worldwide due to continuous depletion of fossil fuels, economic and political crises, and growing concern on environmental safety. Mainly, three types of raw materials, that is, sugar juice, starchy crops, and lignocellulosic materials, are being used for this purpose. This paper will investigate ethanol production from free sugar containing juices obtained from some energy crops such as sugarcane, sugar beet, and sweet sorghum that are the most attractive choice because of their cost-effectiveness and feasibility to use. Three types of fermentation process (batch, fed-batch, and continuous) are employed in ethanol production from these sugar juices. The most common microorganism used in fermentation from its history is the yeast, especially, Saccharomyces cerevisiae, though the bacterial species Zymomonas mobilis is also potentially used nowadays for this purpose. A number of factors related to the fermentation greatly influences the process and their optimization is the key point for efficient ethanol production from these feedstocks.

show abstract

Section: Potential Juices Used As Feedstocksmentioning

confidence: 99%

Bioethanol Production from Fermentable Sugar Juice

Zabed

Faruq

Sahu

et al. 2014

The Scientific World Journal

228

160

View full text Add to dashboard Cite

show abstract

“…raw, thin and thick juices, represent suitable raw materials for bioethanol production because all of them contain sucrose as a directly fermentable carbon source for Saccharomyces cerevisiae (Ranković et al, 2009).The concentration of sucrose in raw and thin juices are appropriate, whereas the thick juice must be diluted during the preparation of fermentation medium (Grahovac et al, 2011). The raw and thin juices feature low storability because the concentration of sugars is almost ideal for most microorganisms (Hinková and Bubník, 2001). Therefore, these effluents can be used directly either for bioethanol and sugar production during the sugar beet harvest season, or can be concentrated in an evaporator and stored for several months (Popov et al, 2010).…”

Section: Fig 2 Map Of the Sugar Beet Cultivation Areas And Sugar Famentioning

confidence: 99%

“…This eliminates problems with storability and inhibits microbial growth (Dodić et al, 2009c). However, the production of thick juice is very complicated and expensive, and it consequently influences the bioethanol price (Hinková and Bubník, 2001). It is important to note that intermediate products of sugar beet processing do not have an alternative commercial use, but their local technological potential in Serbia is appropriate.…”

Section: Fig 2 Map Of the Sugar Beet Cultivation Areas And Sugar Famentioning

confidence: 99%

“…Although the idea to produce bioethanol from alternative raw material is not new, the alcoholic fermentation of intermediate and by-products of sugar beet processing represents an attractive solution for sugar factories interested in a combined production of sugar and bioethanol, as well as distilleries located near the sugar facilities. Therefore, the potential for bioethanol production from raw juice, thin juice, thick juice, molasses and/or beet pulp have been studied in Croatia (Pavlečić et al, 2010;, Romania (Pătraşcu et al, 2009), Poland (Dziugan et al, 2013), Czech (Hinková and Bubník, 2001), Turkey (İçöz et al, 2009), and other countries in the Europe. On the basis of the results obtained, it is clear that all intermediate and by-products of sugar beet processing can be successfully used for bioethanol production.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Challenges in bioethanol production from intermediate and by-products of the sugar beet processing in the Republic of Serbia

Dodić¹,

Grahovac²,

Rončević³

et al. 2018

J Proc Ener Agri

View full text Add to dashboard Cite

The bioethanol market is large and has a constant upward trend, which requires the improvement of its production. In the Republic of Serbia, bioethanol is produced using sugar beet molasses-based media. Taking into account a few disadvantages of molasses as raw material, as well as a decreasing trend in its use in Serbia, it is necessary to consider other possibilities provided by the sugar beet processing technology. Therefore, the cogeneration of sugar and bioethanol may serve as an alternative and viable solution. In this paper, the data on the characteristics of intermediate and by-products of sugar beet processing, used as raw materials for bioethanol production, are summarized. The criteria for their selection are given, and the locations of their generation are mapped. Furthermore, the current bioethanol production capacities in the Republic of Serbia are presented, and the possibility of the cogeneration of sugar and bioethanol in domestic factories is considered.

show abstract

“…Gusti sok je relativno čist međuproizvod tehnologije prerade šećerne repe. Visok sadržaj fermentabilnih šećera (oko 55−65%) i mineralnih materija kao i stabilnost tokom čuvanja u dužem vremenskom periodu čine gusti sok pogodnom sirovinom za proizvodnju etanola [4,5].…”

unclassified

Artificial neural network approach to modeling of alcoholic fermentation of thick juice from sugar beet processing

Jokic

Grahovac

Dodic

et al. 2012

Hem Ind

View full text Add to dashboard Cite

In this paper the bioethanol production in batch culture by free Saccharomyces cerevisiae cells from thick juice as intermediate product of sugar beet processing was examined. The obtained results suggest that it is possible to decrease fermentation time for the cultivation medium based on thick juice with starting sugar content of 5-15 g kg-1. For the fermentation of cultivation medium based on thick juice with starting sugar content of 20 and 25 g kg-1 significant increase in ethanol content was attained during the whole fermentation process, resulting in 12.51 and 10.95 dm3 m-3 ethanol contents after 48 h, respectively. Other goals of this work were to investigate the possibilities for experimental results prediction using artificial neural networks (ANNs) and to find its optimal topology. A feed-forward back-propagation artificial neural network was used to test the hypothesis. As input variables fermentation time and starting sugar content were used. Neural networks had one output value, ethanol content, yeast cell number or sugar content. There was one hidden layer and the optimal number of neurons was found to be nine for all selected network outputs. In this study transfer function was tansig and the selected learning rule was Levenberg-Marquardt. Results suggest that artificial neural networks are good prediction tool for selected network outputs. It was found that experimental results are in very good agreement with computed ones. The coefficient of determination (the R-squared) was found to be 0.9997, 0.9997 and 0.9999 for ethanol content, yeast cell number and sugar content, respectively

show abstract

Sugar beet as a raw material for bioethanol production

Cited by 28 publications

References 3 publications

Bioethanol Production from Fermentable Sugar Juice

Bioethanol Production from Fermentable Sugar Juice

Challenges in bioethanol production from intermediate and by-products of the sugar beet processing in the Republic of Serbia

Artificial neural network approach to modeling of alcoholic fermentation of thick juice from sugar beet processing

Contact Info

Product

Resources

About