Bioethanol is a renewable, environmentally-friendly biofuel conventionally produced through the alcoholic fermentation of sugary or starch-rich substrates by microorganisms, commonly Yeast Saccharomyces cerevisiae. Intermediates industrial wheat flour wet milling processing to starch, such as A-starch and B-starch milk, are cost-effective, abundant, non-seasonal feedstocks for bioethanol production. This study evaluates production from milk mixtures these two in different ratios (1:3, 1:1,...

The importance and interest in the efficient use valorization of agro-industrial residues by-products have grown due to environmental problems associated with improper disposal. Biotechnological production processes, including microbial biosurfactant production, represent a sustainable way utilize by-products, which are applied as substrates these processes. Biosurfactants produced by microorganisms using renewable resources viable alternative traditional petrochemical surfactants several...

Wine industry generates large volumes of wastewaters resulting from numerous cleaning operations that occur during the different stages winemaking. Disposal these effluents in environment causes huge problems due to their high organic and inorganic load seasonal variability. The bioconversion winery valuable product, such as xanthan, is an important alternative overcome environmental problems. In this research, possibility xanthan production using Xanthomonas campestris on blended white rose...

The present work highlights the advances of integrated starch and bioethanol production as an attractive industrial solution for complex wheat exploitation to value-added products focusing on increased profitability. Bioethanol is conventionally produced by dry-milling grain fermenting sugars obtained hydrolysis starch, while unused nonfermentable kernel compounds remain in stillage effluents. On other hand, wet-milling flour enables processing simultaneous gluten, fiber. intermediates are...

Global economic development has led to the widespread use of fossil fuels, and their extensive resulted in increased environmental pollution. As a result, significantly more attention is being paid issues alternative renewable energy sources. Bioethanol production from agro-industrial byproducts, residues, wastes one example sustainable production. This research aims develop process cost model bioethanol spent sugar beet pulp. The was developed using SuperPro Designer® v.11 (Intelligen Inc.,...

One of the key guidelines in European waste management policy is diversion from landfills, preventing harmful effects on human health and environment ensuring that economically valuable materials are efficiently recycled reused through proper management. The organic fraction municipal abundant contains biodegradable ingredients such lignocellulose, starch, lipids, pectin, proteins, making it suitable for biotechnological production. Taking into account a large amount disposed within this...

This study is concerned with the effect of different initial glycerol concentrations in medium on xanthan production by Xanthomonas campestris ATCC 13951. Xanthan biosynthesis was carried out batch mode under aerobic conditions at a temperature 30oC and agitation rate 150 rpm for 7 days. The process efficiency estimated based values raw yield, average molecular weight polymer residual content glycerol, total nitrogen phosphorus. Based these results, concentration as carbon source suggested....

Xanthan gum is one of the major commercial biopolymers employed in many industrial processes owing to its unique physical properties such as a high degree pseudoplasticity and viscosity even at low concentrations. Commercially available xanthan relatively expensive due glucose or sucrose being used sole carbon source for production cost reduction could be achieved by using less substrates, food wastewaters. Effluents from confectionery industry, because organic content, are significant...

Wheat chaff as an agricultural waste represents a cheap raw material for biotechnological processes. With its lignocellulosic composition, it is suitable producing hydrolytic enzymes second generation renewable fuel production technologies. The aim of this work was to optimize the process parameters (cultivation temperature 25?35?C, pH value 4?6 and cultivation time 3?7 days) cultivating fungi (Trichoderma reesei QM 9414) on media based wheat by submerged solid-state techniques, in order...

The bioethanol market is large and has a constant upward trend, which requires the improvement of its production. In Republic Serbia, produced using sugar beet molasses-based media. Taking into account few disadvantages molasses as raw material, well decreasing trend in use it necessary to consider other possibilities provided by processing technology. Therefore, cogeneration may serve an alternative viable solution. this paper, data on characteristics intermediate by-products processing,...

Wineries and other grape processing industries annually generate large amounts of solid liquid waste streams. Winery wastewaters are the product many independent cleaning operations in wineries. As a consequence working period winemaking technologies, as well practices, volumes composition winery greatly vary over year. Due to high organic load, disposal these effluents environment causes several issues. The bioconversions valuable products an important alternative overcome ecological...

The biocontrol agents are a very promising alternative to synthetic pesticides that presently used control plant diseases caused by phytopathogenic microorganisms. Members of the Bacillus genera soil bacteria produce significant quantities agriculturally important bioactive compounds. Production these compounds can be improved changing nutritional and environmental conditions. aim this study was optimization medium composition, using response surface methodology, for production effective...

The aim of this research was to examine the possibility using vegetable oil industry wastewater as basis cultivation media for xanthan production, Xanthomonas campestris ATCC 13951, in order reuse obtained one a raw material another. Furthermore, optimize composition based terms carbon, nitrogen, and phosphorus content. Experiments were carried out accordance with Box-Behnken design three factors on levels (glucose: 10.00- -30.00 g/L; nitrogen: 0.02-0.20 phosphorus: 0.0045-0.045 g/L)...

In order to be competitive on the market, production of biopreparations needs optimized, modelled, and assessed in early stages its development. The aim this paper was optimize medium for Trichoderma harzianum K179 biocontrol agent, analyze kinetics at enlarged laboratory scale finally economic analysis high-value product through simulation modelling.The results showed that bioprocess T. bioagent a bioreactor with optimal composition (dextrose 10 g l-1, soy flour 6.87 K2HPO4 1.51 KCl 0.5...

Bioethanol technology represents an important scientific research area because of the high market value and wide availability its primary by-products. Worldwide interest in utilizing bioethanol as a renewable sustainable energy source has significantly increased last few years due to limited reserves fossil fuels concerns about climate change. Therefore, improvement production process is priority field at international scale, both economic environmental reasons. The aim this study was...

The success of xanthan biosynthesis depends on several factors, most importantly the genetic potential production microorganism and cultivation media composition. Cultivation composition affects yield quality desired product as well costs. This is why many studies focus finding cheap alternative raw materials, especially carbon sources, to replace commercially used glucose sucrose. In addition Xanthomonas campestris ATCC 13951 which primary industrial microorganism, other strains can produce...

<p>Intensive development of the global biodiesel industry has led to generation a large excess crude glycerol, which is impure, and its disposal into environment unacceptable without previous purification. Since purification costs are high, application glycerol in biotechnological production valueadded products represents promising solution for sustainable utilization this effluent. The aim study was examine xanthan biosynthesis by Xanthomonas PL 3 strain on medium containing...

The production of bioethanol as an alternative to fossil fuel has been increasing owing growing biofuel demand. Combination yeast immobilisation and media optimisation become a popular technique for the improvement technology. aim this study was optimisation, by response surface methodology, sodium alginate concentration nitrogen phosphorus content in using immobilised Saccharomyces cerevisiae. Ratio carbon, (C : N P) calculated based on optimum factors values initial glucose content....

Xanthan is microbial polysaccharide with outstanding rheological properties, non-toxic nature, biodegradability, and biocompatibility. This biopolymer widely used in food, biomedical, pharmaceutical, petrochemical, chemical textile industry. Industrial xanthan production generally conducted by aerobic submerged cultivation of Xanthomonas campestris strains on the media glucose or sucrose under optimal conditions. Results from previous research indicate that can be successfully produced...