Academic literature on the topic 'Sugar Renewable energy sources'

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Journal articles on the topic "Sugar Renewable energy sources"

1

Lini, Fibrillian Zata, Tri Widjaja, Nuniek Hendrianie, Ali Altway, Siti Nurkhamidah, and Yumarta Tansil. "The effect of organosolv pretreatment on optimization of hydrolysis process to produce the reducing sugar." MATEC Web of Conferences 154 (2018): 01022. http://dx.doi.org/10.1051/matecconf/201815401022.

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As the fossil energy decrease such as petroleum and natural gas, that are encourages a lot of research to develop new sources of energy from renewable raw materials. One of the source is through reducing sugar (glucose and xylose) obtained from coffee pulp waste; this is due to abundant production of coffee pulp every year reaching 743 kg/ha. In addition, this waste has not been used optimally and the cellulose and hemicellulose content of the coffee is high. The purpose of this study is to get the optimal operating condition for reducing sugar production from coffee pulp waste. The method used for optimization is Response Surface Methodology with Central Composite Design. The optimum operation condition obtained was pH 4.63 at 34ºC for 16.29 hours of hydrolysis. As a result, the predicted yield gained was 0.147 grams of reducing sugars / gram of cellulose+hemicellulose. The result indicates the gained yield was 0.137 grams of reducing sugars / gram of cellulose+hemicellulose.
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Menezes Morato, Marcelo, Paulo Renato Costa Mendes, Julio Elias Normey‐Rico, and Carlos Bordons. "Optimal operation of hybrid power systems including renewable sources in the sugar cane industry." IET Renewable Power Generation 11, no. 8 (2017): 1237–45. http://dx.doi.org/10.1049/iet-rpg.2016.0443.

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3

Vigneswari, Sevakumaran, Muhammad Shahrul Md Noor, Tan Suet May Amelia, et al. "Recent Advances in the Biosynthesis of Polyhydroxyalkanoates from Lignocellulosic Feedstocks." Life 11, no. 8 (2021): 807. http://dx.doi.org/10.3390/life11080807.

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Polyhydroxyalkanoates (PHA) are biodegradable polymers that are considered able to replace synthetic plastic because their biochemical characteristics are in some cases the same as other biodegradable polymers. However, due to the disadvantages of costly and non-renewable carbon sources, the production of PHA has been lower in the industrial sector against conventional plastics. At the same time, first-generation sugar-based cultivated feedstocks as substrates for PHA production threatens food security and considerably require other resources such as land and energy. Therefore, attempts have been made in pursuit of suitable sustainable and affordable sources of carbon to reduce production costs. Thus, in this review, we highlight utilising waste lignocellulosic feedstocks (LF) as a renewable and inexpensive carbon source to produce PHA. These waste feedstocks, second-generation plant lignocellulosic biomass, such as maize stoves, dedicated energy crops, rice straws, wood chips, are commonly available renewable biomass sources with a steady supply of about 150 billion tonnes per year of global yield. The generation of PHA from lignocellulose is still in its infancy, hence more screening of lignocellulosic materials and improvements in downstream processing and substrate pre-treatment are needed in the future to further advance the biopolymer sector.
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Ohlrogge, John, and Kent Chapman. "The seeds of green energy: Expanding the contribution of plant oils as biofuels." Biochemist 33, no. 2 (2011): 34–38. http://dx.doi.org/10.1042/bio03302034.

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Plant oils represent one of the most energyrich sources of renewable fuels available in Nature. Most of these oils occur in the form of triacylglycerols (TAGs) that can be transformed into biodiesel by conversion of their acyl chains into fatty acid methyl esters. In 2009, 14 billion litres of biodiesel were produced worldwide from plant oils (largely in the EU). This compares with 70 billion litres of ethanol (largely from Brazil and the USA). Both of these fuels now depend on land and crops (e.g. oil seeds, palm trees, maize and sugar cane) that are also used for foods. To meet growing demand and avoid competition with food, major expansion of biofuel production and development of new sources of biofuel are required. In this article, we outline how plants synthesize oils and describe some ways in which supplies of oils from plants could be increased to provide a larger contribution to renewable energy supplies.
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Kim, Sung Bong, Eunji Kim, Hah Young Yoo, et al. "Reutilization of carbon sources through sugar recovery from waste rice straw." Renewable Energy 53 (May 2013): 43–48. http://dx.doi.org/10.1016/j.renene.2012.11.002.

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Villela Filho, Murillo, Carlos Araujo, Alfredo Bonfá, and Weber Porto. "Chemistry Based on Renewable Raw Materials: Perspectives for a Sugar Cane-Based Biorefinery." Enzyme Research 2011 (May 12, 2011): 1–8. http://dx.doi.org/10.4061/2011/654596.

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Carbohydrates are nowadays a very competitive feedstock for the chemical industry because their availability is compatible with world-scale chemical production and their price, based on the carbon content, is comparable to that of petrochemicals. At the same time, demand is rising for biobased products. Brazilian sugar cane is a competitive feedstock source that is opening the door to a wide range of bio-based products. This essay begins with the importance of the feedstock for the chemical industry and discusses developments in sugar cane processing that lead to low cost feedstocks. Thus, sugar cane enables a new chemical industry, as it delivers a competitive raw material and a source of energy. As a result, sugar mills are being transformed into sustainable biorefineries that fully exploit the potential of sugar cane.
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Jaguaribe, E. F., P. C. Lobo, W. L. De Souza, R. M. Rocha, and E. T. Nascimento. "BETTER SELL BAGASSE THAN SURPLUS ELECTRICITY?" Revista de Engenharia Térmica 6, no. 1 (2007): 65. http://dx.doi.org/10.5380/reterm.v6i1.61819.

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Over the past decade, electricity consumption in Brazil grew faster than generation capacity. This situation obliged an urgent return to investment in the sector, and revitalization of the restructuring in the national electricity sector. In these circumstances, the use of renewable energy sources, such the biomass, became an option for decentralized electricity generation. Sugar cane bagasse is one of the most important biomasss residues for electricity generation. The present publication analyses an investment made in the expansion of the energy cogeneration system in an industry that produces sugar and alcohol, from sugar cane, considering the seasonal bagasse price, energy generation costs and a 10 year period. With the new cogeneration system the factory became self-sufficient in energy, with a saleable surplus of 21,240 MWh, at an average power of 4,000 kW. However, an economic analysis indicated that the best option would have been to maintain the original system and sell surplus bagasse at R$ 26.00/t.
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8

Zuhal, Oktay, and Ozturk Harun Kemal. "Turkish Sugar Production Potential and Use of Waste of Sugar Beet as Energy Source." International Journal of Green Energy 1, no. 3 (2004): 381–92. http://dx.doi.org/10.1081/ge-200033675.

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9

Zabed, Hossain, Golam Faruq, Jaya Narayan Sahu, Mohd Sofian Azirun, Rosli Hashim, and Amru Nasrulhaq Boyce. "Bioethanol Production from Fermentable Sugar Juice." Scientific World Journal 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/957102.

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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 speciesZymomonas mobilisis 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.
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Rubanenko, Elena, Andrij Vydmysh, and Vita Yavdуk. "CREATE MICROELECTRICITY TO ENSURE RELIABLE POWER SUPPLY OF AGRICULTURAL ENTERPRISES ON THE EXAMPLE OF VLADOVO-LUGINETSKOE EXPERIMENTAL BREEDING STATION." Vibrations in engineering and technology, no. 1(92) (December 20, 2019): 23–29. http://dx.doi.org/10.37128/2306-8744-2019-1-3.

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The use of renewable energy sources makes it possible to coordinate the load schedules of agricultural enterprises and achieve a significant technical and economic effect by optimizing the processes of generation, transportation, distribution and consumption of electricity. Powerful agribusiness enterprises are located far enough from the centralized power supply and closer to the raw material bases, so it is proposed to disperse the power of both industrial and energy industries. Therefore, the paper analyzes the features of creating scrollerroller taking into account the world experience of Vladovo-Lubinecka experimental breeding station of the Institute of bioenergy crops and sugar beet of National Academy of agrarian Sciences of Ukraine, part of the Training-scientific-industrial complex “Allukrainian scientific-educational consortium” with the use of renewable sources of energy. Describes the main modes scrollerroller. Outlines the advantages of creating scrollerroller: improving the quality and reliability of the system, decentralization of production, the decline in electricity prices (in the context of how transportation and distribution), optimizing the use of renewable energy technologies through the integration of scrollerroller and use scrollerroller as a backup mechanism to prevent a power outage. The paper proposes to use local information management systems, which have the functions of self-gratification and self-adjustment depending on changes in the conditions of generation and consumption.
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