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2021-2-17 · High-concentration saccharification was conducted by the batch method. An example using bagasse as the biomass source is shown in Fig. 3-12. Low-concentration saccharification was performed by the continuous method, the volume of biomass being adjusted to between 3 and 6%.
Get Price2021-2-17 · 3.3.2.1 Saccharification. Saccharification of cellulosic waste materials was conducted using mutant strains obtained from Trichoderma reesei QM-9414 by mutation, (Section 3.2.2), as sources of cellulase enzymes (6, 7). A high titer, low cost cellulase was obtained in our laboratory subsequent to extensive studies on optimum culturing of these strains as described in Section 3.2.3.
Get PriceSimultaneous saccharification and fermentation (SSF) is the most commonly practiced operation in lignocellulose bioconversion to avoid the sugar product inhibition to cellulase enzymes.
Get Price2008-5-1 · Simultaneous saccharification and fermentation (SSF) is one process option for production of ethanol from lignocellulose. The principal benefits of performing the enzymatic hydrolysis together with the fermentation, instead of in a separate step after the hydrolysis, are the reduced end-product inhibition of the enzymatic hydrolysis, and the reduced investment costs.
Get Price2021-3-24 · The numerical model is verified by contrasting the predictions made by the model with experimental results. The tank was subjected to controlled one-directional motion imposed using a shake table. The free surface evolution was followed using ultrasonic sensors, and a high-speed camera was used to record the experiments.
Get Price2021-3-16 · The developed method is based on temp.-controlled microextn. of chromium species using the 1-hexyl-3-methylimidazolium hexafluorophosphate ([HMIM][PF6]) ionic liq. as an extractant followed by electrothermal at. absorption spectrometry (ETAAS) detn.
Get Price2019-5-22 · The potassium dichromate oxidation method used in determination of alcohols in fermentation has two major disadvantages. This method cannot be used to determine alcohols in raw fermentation broth samples, which often contain various reducing sugars. The method is not environment friendly due to the carcinogenicity of Cr (VI) used. A new method for determination of reducing sugars …
Get PriceUsing mouse hepatitis virus, a betacoronavirus, as a model system, the authors identified that 71.8°C for 0.51 s exposure is sufficient to obtain >5 Log 10 reduction in viral titer, and that when exposed to 83.4°C for 1.03 s, the virus was completely inactivated. Validated by a COMSOL simulation on temperature distribution, these findings are ...
Get Price2013-11-29 · Rice straw has considerable potential as a raw material for bioethanol production. Popping pretreatment of rice straw prior to downstream enzymatic hydrolysis and fermentation was found to increase cellulose to glucose conversion efficiency. The aim of this study was to investigate the influence of popping pretreatment and determine the optimal enzyme loading using a surface response design.
Get PriceAn overview of simultaneous saccharification and fermentation of starchy and lignocellulosic biomass for bio-ethanol production. By Dr. Pinaki Dey. 18 Biodiesel Production Using Karanja (Pongamia pinnata) and Jatropha (Jatropha curcas) Seed Oil. By Malaya Kumar Naik.
Get Price2017-7-1 · Using the Attainable Region concept, Scott et al. (2013) showed that for the saccharification and fermentation of PCS the reactor networks that minimize the residence time can be constructed using plug flow reactors and continuously stirred tank reactors, despite the complexity of the reaction networks and underlying kinetics. However, no solid ...
Get Price2013-11-29 · This method has originated from the work of Horn , who defined the AR as the set of all possible values of the outlet stream variables which can be reached by any possible (physically realizable) steady-state reactor system from a given feed stream using only the …
Get Price2017-6-23 · The incentives for utilizing a versatile range of renewable feedstocks in novel ways are continuously increasing. Sulfated polysaccharides from green algae, such as ulvan, are interesting due to the rare sugar constituents which can be utilized for new materials and chemicals in industry. However, before valorization fractionation needs to be performed in a controlled way.
Get Price2021-6-1 · The combination of steam explosion with kraft pulping was an effective method to remove hemicelluloses and lignin, leaving more accessible material for bioconversion to ethanol. ACKNOWLEDGMENTS. The authors are grateful for the support of the Consortium Bioenercel S.A, Project INNOVA-Chile 208-7320 and Project FONDECYT 1130693. REFERENCES CITED
Get Price2018-5-24 · After cellulose, lignin is the second most abundant biopolymer in the vegetable world. Since lignin is a natural phenolic polymer, there are a variety of potential products obtainable by its chemical modification, including surfactants. In this regard, lignin is of great interest because represent a byproduct of pulp industries for papermaking; however, this byproduct can be harnessed for ...
Get PriceBy using a TEA approach, the authors present feasible pathways for conversion of biomass (both residual biomass, energy crops and algae biomass), showing the different possibilities for the production of biochemical materials, biofuels, and fertilizers. The concepts presented in this book will link companies, investors, and governments by ...
Get PriceAbout I’m an assistant professor at Universidad de los Andes since 2015. I have been working at the intersection of process engineering (with special emphasis on the design of biorefinery and renewable energy systems), process economics and decision making in complex systems under uncertainty applied to biofuels production from lignocellulosic materials.
Get Price2009-11-30 · Enzymatic hydrolysis was conducted in a discontinuous reactor at 37°C, using a commercial cellulase preparation from Trichoderma reesei. The enzyme/substrate ratio was 0.04 g/g. The highest weight losses were obtained using Stereum hirsutum and Lentinus edodes for all the incubation times, reaching 27.2% and 25.8% at 60 days, respectively.
Get PriceAn overview of simultaneous saccharification and fermentation of starchy and lignocellulosic biomass for bio-ethanol production. By Dr. Pinaki Dey. 18 Biodiesel Production Using Karanja (Pongamia pinnata) and Jatropha (Jatropha curcas) Seed Oil. By Malaya Kumar Naik.
Get Price2017-10-11 · The most common method is through an assaku-ki, which is an accordion- shaped machine that squeezes the sake mash through a fine mesh. The fermentation process takes between 30-40 days for premium sake. During this period saccharification and fermentation happens simultaneously in what is referred to as multiple parallel fermentation.
Get Price2021-5-23 · Abstract. The effects of SuperBatch™ (SB), CompactCooking™ (CC), and Lo-Solids™ (LS) modified cooking processes on pulp properties of Eucalyptus globulus and Eucalyptus nitens were investigated. The syringyl/guayacil (S/G) lignin ratio in the wood of E. globulus was significantly higher (4.7) than that of E. nitens (3.5).From the brown stock pulps, the viscosity, total lignin ...
Get Price2021-4-1 · Apple pomace (AP) is a by-product generated from the transformation of fresh apple into different products of the food industry; however, it remains largely underutilized. This work presents a proposal and bidimensional analysis (economic and environmental) for biorefineries to produce n–butanol, acetone, and ethanol, utilizing AP in a Mexican context. The biorefinery was simulated by using ...
Get Price2001-4-7 · 10.9790/2402-1309011822. Abstract: Half of the world's population live in cities and towns where many poor urban dwellers are facing problems in gaining access to adequate supplies of nutritionally balanced food. For many urban populations, an important source of food is urban and peri-urban agriculture (UPA).
Get PriceHotel beer brewing equipment is a good choice for ginshop, barbecue, restaurant, who brew beer for the customer at scene. The luxury shape, small space demanded, no only has the ornamental value, but also can show the whole process of the brewering to the customer, let them learn the deep cultural connotation of beer.
Get PricePROBLEM TO BE SOLVED: To provide a method for brewing a quinoa beverage. The method pre-treats quinoa grain to remove undesirable flavors from quinoa. The quinoa grain is then submerged and malted (germinated). After germination, the quinoa grain is dried and optionally ground. Quinoa kernels are saccharified to produce wate and optionally boiled using hops, clarifiers, and optionally other ...
Get PriceBiotechnology of Microbial Enzymes: Production, Biocatalysis and Industrial Applications provides a complete survey of the latest innovations on microbial enzymes, highlighting biotechnological advances in their production and purification along with information on successful applications as biocatalysts in several chemical and industrial processes under mild and green conditions.
Get Price2009-11-30 · Enzymatic hydrolysis was conducted in a discontinuous reactor at 37°C, using a commercial cellulase preparation from Trichoderma reesei. The enzyme/substrate ratio was 0.04 g/g. The highest weight losses were obtained using Stereum hirsutum and Lentinus edodes for all the incubation times, reaching 27.2% and 25.8% at 60 days, respectively.
Get PriceVe el perfil de Felipe Scott Contador en LinkedIn, la mayor red profesional del mundo. Felipe tiene 5 empleos en su perfil. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Felipe en empresas similares.
Get Price2017-10-11 · The most common method is through an assaku-ki, which is an accordion- shaped machine that squeezes the sake mash through a fine mesh. The fermentation process takes between 30-40 days for premium sake. During this period saccharification and fermentation happens simultaneously in what is referred to as multiple parallel fermentation.
Get Price2017-6-23 · The incentives for utilizing a versatile range of renewable feedstocks in novel ways are continuously increasing. Sulfated polysaccharides from green algae, such as ulvan, are interesting due to the rare sugar constituents which can be utilized for new materials and chemicals in industry. However, before valorization fractionation needs to be performed in a controlled way.
Get Price2021-4-1 · Apple pomace (AP) is a by-product generated from the transformation of fresh apple into different products of the food industry; however, it remains largely underutilized. This work presents a proposal and bidimensional analysis (economic and environmental) for biorefineries to produce n–butanol, acetone, and ethanol, utilizing AP in a Mexican context. The biorefinery was simulated by using ...
Get PriceThe viable yeast cell numbers and total soluble solids of the fermentation broth were determined by direct counting method using haemacytometer and hand-held refractometer, respectively (Zoecklein et al. 1995). The fermentation broth was centrifuged at 13,000 rev min-1 for 10 min.
Get Price2011-1-30 · A comparison between microalgae and other crops is given, and their advantages are highlighted. The production of biofuels from microalgae biomass is described, such as the use of algae extracts (e.g. biodiesel from oil, bioethanol from starch), processing the whole biomass (e.g. biogas from anaerobic digestion, supercritical fluid, bio-oil by ...
Get PriceAbbott Matthew S.R., Valente Perez Gustavo, Harvey Adam P., Theodorou Mike K.: Reduced power consumption compared to a traditional stirred tank reactor (STR) for enzymatic saccharification of alpha-cellulose using oscillatory baffled reactor (OBR) technology.
Get PriceOlive oil industry is one of the most important industries in the world. Currently, the land devoted to olive-tree cultivation around the world is ca. 11 × 106 ha, which produces more than 20 × 106 t olives per year. Most of these olives are destined to the production of olive oils. The main by-products of the olive oil industry are olive-pruning debris, olive stones and different pomaces.
Get Price2018-5-24 · After cellulose, lignin is the second most abundant biopolymer in the vegetable world. Since lignin is a natural phenolic polymer, there are a variety of potential products obtainable by its chemical modification, including surfactants. In this regard, lignin is of great interest because represent a byproduct of pulp industries for papermaking; however, this byproduct can be harnessed for ...
Get Price2020-6-26 · The green algal genus Ulva is widely distributed around all continents. Plants with both distromatic or monostromatic thalli now form a single taxon based on ITS rDNA and rbcL gene sequencing. Ulva is known to occupy several ecological niches including freshwater and marine (intertidal and subtidal) habitats, attributed to its tolerance to key determinants such as light, temperature, and …
Get Price2021-4-21 · The Toro DO, located on Spain’s Duero River just west of Rueda, has been making wine since pre-Roman times. It is even said that the rich, red wines of the area were a favorite of King Alfonso IX of León back in the 13 th century.. Most of the wine produced in the Toro DO is based on the Tinta del Toro grape variety—considered to be a local clone of Tempranillo.
Get Price2021-2-24 · Each tank was randomly stocked with 45 fish. ... were determined using the thermal noise method 59 and were found to be ... T. H. et al. Demonstration-scale enzymatic saccharification of …
Get Price2020-4-3 · Polyhydroxyalkanoates (PHAs) are ubiquitous prokaryotic storage compounds of carbon and energy, acting as sinks for reducing power during periods of surplus of carbon source relative to other nutrients. With close to 150 different hydroxyalkanoate monomers identified, the structure and properties of these polyesters can be adjusted to serve applications ranging from food packaging to ...
Get Price2016-12-1 · Saccharification and fermentation are carried side by side in a single tank. Enzymes are added in the tank wherein Saccharification occurs and as soon as glucose is produced it is converted to ethanol and carbon dioxide. This process is characterized by high yield, conversion rate, concentration and purity of the fermented ethanol.
Get Price2019-3-29 · Currently, the use of energy from fossil fuels is generating serious environmental issues. On the other hand, a large amount of agro-industrial residues is produced without any specific use in Colombia. Nevertheless, potential applications related to the biomass upgrading into energy vectors has been encouraged in this country considering the biogas as a potential biofuel derived from ...
Get PriceKeywords: Enzyme hydrolysis, waste potato, liquefaction, saccharification, response surface method. (Free Abstract ) (Download PDF) Paper # 1008673 Ethanol Production from Waste Potato Mash By Using Saccharomyces cerevisiae Citation: Paper number 1008673, 2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010. (doi: 10.13031/2013.29692) @2010
Get Price2005-9-1 · The U.S. Department of Energy Pacific Region Clean Energy Application Center (PCEAC) was formed in 2009 by the U.S. Department of Energy (DOE) and the California Energy Commission to provide education, outreach, and technical support to promote clean energy -- combined heat and power (CHP), district energy, and waste energy recovery (WHP) -- development in the Pacific Region.
Get PriceVe el perfil de Felipe Scott Contador en LinkedIn, la mayor red profesional del mundo. Felipe tiene 5 empleos en su perfil. Ve el perfil completo en LinkedIn y descubre los contactos y empleos de Felipe en empresas similares.
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