Modelling of Kinetics of Saccharification and Fermentation in the Ethanol Production Process Using Parameter Estimation Techniques

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ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (298 download)

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Book Synopsis Modelling of Kinetics of Saccharification and Fermentation in the Ethanol Production Process Using Parameter Estimation Techniques by : Silpa Kamatam

Download or read book Modelling of Kinetics of Saccharification and Fermentation in the Ethanol Production Process Using Parameter Estimation Techniques written by Silpa Kamatam and published by . This book was released on 2008 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The continuous demand for petroleum resources and the constant increase of the effects of greenhouse gases has widened the opportunities to produce fuel from alternative sources. Ethanol, also called as bioethanol, is a renewable fuel that is produced from biomass has a capability of contributing to a cleaner environment. Presently, ethanol is produced from crops (such as corn and sugarcane) and cellulosic (wood, paper, corn stover, trees) raw materials. The production of ethanol is not a simple process when considering the biological aspects. Research has been going on to upgrade the determination of reaction time for the conversion of carbohydrate to ethanol by adding details from the experiments or theory to the predicted kinetic models. This work focuses on the exploration of a less-detailed kinetic model based on actual NCERC pilot plant data. The parameters of this model were extracted from the NCERC data using parameter estimation. It also concentrates on how much error was obtained when a model is developed from a somewhat less-detailed parameter estimation based model of the pilot plant data. Two model cases were developed viz., Case 1 - Fermentation and SSF model, where the kinetic parameters of fermentation were solved and introduced into the SSF as constants to determine the saccharification constants, and Case 2 - Combined SSF model, where all the parameters for both the fermentation and saccharification were estimated together. MATLAB was used for parameter estimation. The rate equations for the saccharification and fermentation models were based on the Michealis-Menten and Monod kinetics. The introduction of a product inhibition factor in to the rate equations seemed to minimize the error to give a better fit. It was observed that Case 2 provided good results even though a large number of parameters were estimated. This implies that trying to fit fermentation data to the SSF process, artificially, would lead to less accurate predictions than estimation of fermentation and saccharification.

Fermentation Processes

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Publisher : BoD – Books on Demand
ISBN 13 : 9535129279
Total Pages : 314 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Fermentation Processes by : Angela Jozala

Download or read book Fermentation Processes written by Angela Jozala and published by BoD – Books on Demand. This book was released on 2017-02-08 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fermentation is a theme widely useful for food, feed and biofuel production. Indeed each of these areas, food industry, animal nutrition and energy production, has considerable presence in the global market. Fermentation process also has relevant applications on medical and pharmaceutical areas, such as antibiotics production. The present book, Fermentation Processes, reflects that wide value of fermentation in related areas. It holds a total of 14 chapters over diverse areas of fermentation research.

A Study of Fermentation Kinetics in Wine Utilizing Nonlinear Parameter Estimation Methods

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ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (56 download)

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Book Synopsis A Study of Fermentation Kinetics in Wine Utilizing Nonlinear Parameter Estimation Methods by : David Matthew DeSante

Download or read book A Study of Fermentation Kinetics in Wine Utilizing Nonlinear Parameter Estimation Methods written by David Matthew DeSante and published by . This book was released on 1996 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fermentation Kinetics and Modelling

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ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Fermentation Kinetics and Modelling by : Charles Gordon Sinclair

Download or read book Fermentation Kinetics and Modelling written by Charles Gordon Sinclair and published by . This book was released on 1987 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1980 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Generalized Kinetics of Ethanol Fermentation and Ethanol Production in a Ca-alginate Plate Reactor

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ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (221 download)

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Book Synopsis Generalized Kinetics of Ethanol Fermentation and Ethanol Production in a Ca-alginate Plate Reactor by : Minki Sung

Download or read book Generalized Kinetics of Ethanol Fermentation and Ethanol Production in a Ca-alginate Plate Reactor written by Minki Sung and published by . This book was released on 1989 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy from Biomass

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ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Energy from Biomass by :

Download or read book Energy from Biomass written by and published by . This book was released on 1986 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Model Simplification and Parameter Estimation in Fermentation Kinetics

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ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (421 download)

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Book Synopsis Model Simplification and Parameter Estimation in Fermentation Kinetics by : Antony Chiu-cheng Loo

Download or read book Model Simplification and Parameter Estimation in Fermentation Kinetics written by Antony Chiu-cheng Loo and published by . This book was released on 1975 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advanced Bioprocessing for Alternative Fuels, Biobased Chemicals, and Bioproducts

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Publisher : Academic Press
ISBN 13 : 0128179422
Total Pages : 449 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Advanced Bioprocessing for Alternative Fuels, Biobased Chemicals, and Bioproducts by : Majid Hosseini

Download or read book Advanced Bioprocessing for Alternative Fuels, Biobased Chemicals, and Bioproducts written by Majid Hosseini and published by Academic Press. This book was released on 2019-02-23 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Bioprocessing for Alternative Fuels, Bio-based Chemicals, and Bioproducts: Technologies and Approaches for Scale-Up and Commercialization demonstrates novel systems that apply advanced bioprocessing technologies to produce biofuels, bio-based chemicals, and value-added bioproducts from renewable sources. The book presents the use of novel oleaginous microorganisms and utilization strategies for applications of advanced bioprocessing technology in biofuels production and thoroughly depicts the technological breakthroughs of value added bioproducts. It also aides in the design, evaluation and production of biofuels by describing metabolic engineering and genetic manipulation of biofuels feedstocks. Users will find a thorough overview of the most recent discoveries in biofuels research and the inherent challenges associated with scale up. Emphasis is placed on technological milestones and breakthroughs in applications of new bioprocessing technologies for biofuels production. Its essential information can be used to understand how to incorporate advanced bioprocessing technologies into the scaling up of laboratory technologies to industrial applications while complying with biofuels policies and regulations. - Presents the use of novel oleaginous microorganisms and utilization strategies for the applications of advanced technologies in biofuels production - Provides a basis for technology assessments, progress and advances, as well as the challenges associated with biofuels at industrial scale - Describes, in detail, technologies for metabolic engineering and genetic manipulation of biofuels feedstocks, thus aiding in the design, evaluation and production of advanced biofuels

Solar Energy Update

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ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Solar Energy Update by :

Download or read book Solar Energy Update written by and published by . This book was released on 1985 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

23 European Symposium on Computer Aided Process Engineering

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Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128085061
Total Pages : 16 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis 23 European Symposium on Computer Aided Process Engineering by : H. Hernandez-Escoto

Download or read book 23 European Symposium on Computer Aided Process Engineering written by H. Hernandez-Escoto and published by Elsevier Inc. Chapters. This book was released on 2013-06-10 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents the development and implementation of regulatory control structures in the operation of a Simultaneous Saccharification and Co-Fermentation (SSCF) using Proportional-Integral (PI) controllers. To this end, two different case studies were analyzed: 1) assuming lower cellulose and xylan fractions in the feedstock used to feed the SSCF reactor, and 2) lower efficiency of the microorganism for glucose to ethanol conversion, lower cellulose and xylan fraction content in the feedstock and slightly higher activity of class 1 and 2 enzyme. The implementation of the regulatory control structures showed that it is feasible to regulate the process with a simple control system by managing those likely uncertainties during the operation of the SSCF unit.

Kinetic Study and Modelling of Ethanol Production from Glucose/xylose Mixtures Using the Genetically-engineered Strain Escherichia Coli KO11

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ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (647 download)

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Book Synopsis Kinetic Study and Modelling of Ethanol Production from Glucose/xylose Mixtures Using the Genetically-engineered Strain Escherichia Coli KO11 by : Xin Li

Download or read book Kinetic Study and Modelling of Ethanol Production from Glucose/xylose Mixtures Using the Genetically-engineered Strain Escherichia Coli KO11 written by Xin Li and published by . This book was released on 2008 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling and Analysis of the Enzymatic Hydrolysis of Lignocellulosic Substrates

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (84 download)

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Book Synopsis Modeling and Analysis of the Enzymatic Hydrolysis of Lignocellulosic Substrates by : Alaia Sola Saura

Download or read book Modeling and Analysis of the Enzymatic Hydrolysis of Lignocellulosic Substrates written by Alaia Sola Saura and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Simultaneous saccharification and fermentation (SSF) and simultaneous saccharification and cofermentation (SSCF) are two process options for production of ethanol from lignocellulosic substrates that are superior to separate hydrolysis and fermentation (SHF). The principal benefits of performing the enzymatic hydrolysis together with the fermentation, instead of in a separate step after the hydrolysis as SHF does, are the reduced end-product inhibition of the enzymatic hydrolysis, and the reduced investment costs. The principal drawbacks, on the other hand, are the need to find favorable conditions (e.g. temperature and pH) for both the enzymatic hydrolysis and the fermentation and the difficulty to recycle the fermenting organism and the enzymes. In order to enhance the efficiency of the lignocellulose-to-ethanol conversion, optimization of the hydrolysis (also called saccharification) process step to achieve an optimal conversion of crystalline domains of cellulose is crucial. Towards this end, a few existing models with respect to the kinetics of enzymatic hydrolysis are analyzed and compared for biochemical conversion of lignocellulosic substrates. The work is focused on selecting, enhancing and redeveloping an appropriate model for enzymatic hydrolysis. Therefore, a few models are simulated and fitted to a set of experimental data, which are taken from literature, in order to compare the accuracy and the applicability of the models. Based on this, a new kinetic model for enzymatic hydrolysis of lignocellulosic substrates is also proposed and analyzed.

Modeling and Optimization of Fermentation Processes

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ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Modeling and Optimization of Fermentation Processes by : Bohumil Volesky

Download or read book Modeling and Optimization of Fermentation Processes written by Bohumil Volesky and published by . This book was released on 1992-04-24 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses basic methods of process description and optimization based on the mathematical equation needed for running a fermentation process. Meant for those who are dealing with the bio-process elements in the laboratory or on a large scale, for the engineer as well as the science student.

Kinetic Modeling of 1-G Ethanol Fermentations

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Kinetic Modeling of 1-G Ethanol Fermentations by : Samuel C. Oliveira

Download or read book Kinetic Modeling of 1-G Ethanol Fermentations written by Samuel C. Oliveira and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The most recent rise in demand for bioethanol, due mainly to economic and environmental issues, has required highly productive and efficient processes. In this sense, mathematical models play an important role in the design, optimization, and control of bioreactors for ethanol production. Such bioreactors are generally modeled by a set of first-order ordinary differential equations, which are derived from mass and energy balances over bioreactors. Complementary equations have also been included to describe fermentation kinetics, based on Monod equation with additional terms accounting for inhibition effects linked to the substrate, products, and biomass. In this chapter, a reasonable number of unstructured kinetic models of 1-G ethanol fermentations have been compiled and reviewed. Segregated models, as regards the physiological state of the biomass (cell viability), have also been reviewed, and it was found that some of the analyzed kinetic models are also applied to the modeling of second-generation ethanol production processes.

Fermentation Kinetics and Process Economics for the Production of Ethanol

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ISBN 13 :
Total Pages : 600 pages
Book Rating : 4.:/5 (35 download)

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Book Synopsis Fermentation Kinetics and Process Economics for the Production of Ethanol by : Gerald Raymond Cysewski

Download or read book Fermentation Kinetics and Process Economics for the Production of Ethanol written by Gerald Raymond Cysewski and published by . This book was released on 1976 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Agrindex

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ISBN 13 :
Total Pages : 1006 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Agrindex by :

Download or read book Agrindex written by and published by . This book was released on 1995 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt: