Fractional Distillation Of Bio Oil Produced By Pyrolysis Of Assa Euterpe Oleracea Seeds

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Fractional Distillation of Bio-Oil Produced by Pyrolysis of A√ßa√≠ (Euterpe Oleracea) Seeds

Author : Nelio Teixeira Machado
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

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Book Synopsis Fractional Distillation of Bio-Oil Produced by Pyrolysis of A√ßa√≠ (Euterpe Oleracea) Seeds by : Nelio Teixeira Machado

Download or read book Fractional Distillation of Bio-Oil Produced by Pyrolysis of A√ßa√≠ (Euterpe Oleracea) Seeds written by Nelio Teixeira Machado and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, the seeds of a√ßa√≠ (Euterpe oleracea, Mart), a rich lignin-cellulose residue, has been submitted to pyrolysis to produce a bio-oil-like fossil fuels. The pyrolysis carried out in a reactor of 143¬†L, 450¬∞C, and 1.0¬†atm. The morphology of A√ßa√≠ seeds in nature and after pyrolysis is characterized by SEM, EDX, and XRD.¬†The experiments show that bio-oil, gas, and coke yields were 4.38, 30.56, and 35.67% (wt.), respectively. The bio-oil characterized by AOCS, ASTM, and ABNT/NBR methods for density, kinematic viscosity, and acid value. The bio-oil density, viscosity, and acid value were 1.0468¬†g/cm3, 68.34¬†mm2/s, and 70.26 KOH/g, respectively. The chemical composition and chemical functions of bio-oil are determined by GC-MS and FT-IR.¬†The GC-MS identified in bio-oil 21.52% (wt.) hydrocarbons and 78.48% (wt.) oxygenates (4.06% esters, 8.52% carboxylic acids, 3.53% ketones, 35.16% phenols, 20.52% cresols, 5.75% furans, and 0.91% (wt.) aldehydes), making it possible to apply fractional distillation to obtain fossil fuel-like fractions rich in hydrocarbons. The distillation of bio-oil is carried out in a laboratory-scale column, according to the boiling temperature of fossil fuels. The distillation of bio-oil yielded fossil fuel-like fractions (gasoline, kerosene, and light diesel) of 4.70, 28.21, and 22.35% (wt.), respectively.

Fractional Condensation of Bio-oil Vapors

Author : Akhil Tumbalam Gooty
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Fractional Condensation of Bio-oil Vapors by : Akhil Tumbalam Gooty

Download or read book Fractional Condensation of Bio-oil Vapors written by Akhil Tumbalam Gooty and published by . This book was released on 2013 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research project described in this thesis deals with an investigation on the fractional condensation of bio-oil vapors to improve the separation of some of the key components of the bio-oil and, consequently, improve the properties and the value of each of the separated product streams. In the first part, the separation of a mixture of three model compounds of bio-oil from a vapor and carrier gas stream was investigated with the help of a series of three condensers maintained at different temperatures. The practical performance of the fractional condensation train was improved by comparing the experimental results with the theoretical results predicted by the HYSYS modeling tool. It showed that good heat transfer and mixing was essential, and could be achieved by using condensers with a cyclonic entry. It also showed that a good demister was essential to achieve effective separation. The second and third parts of the investigation focused on the fractional condensation of actual bio-oil vapors produced from the pyrolysis of two different biomasses: birch bark and Kraft lignin, respectively. In both cases, the temperatures of the condensers were optimized in order to separate the water present in the bio-oil vapor stream and increase the quality and the stability of the remaining bio-oil. The condenser train consisted of a condenser-cum-electrostatic precipitator (C-ESP) installed between two cyclonic condensers. The water content of the fractionated bio-oil was found to be less than 1 wt% with both biomasses. In case of Kraft lignin, the phenolics recovered in different bio-oil fractions were also analyzed. The effect of pyrolysis temperature on the fractionated bio-oil yield and characteristics was investigated.

Phenolic Antioxidants in Foods: Chemistry, Biochemistry and Analysis

Author : Alam Zeb
Publisher : Springer Nature
ISBN 13 : 3030747689
Total Pages : 561 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Phenolic Antioxidants in Foods: Chemistry, Biochemistry and Analysis by : Alam Zeb

Download or read book Phenolic Antioxidants in Foods: Chemistry, Biochemistry and Analysis written by Alam Zeb and published by Springer Nature. This book was released on 2021-09-27 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant foods are an essential part of our daily diet and constitute one of the highest contributors to the world economy. These foods are rich in phenolic compounds, which play a significant role in maintaining our health. This textbook presents a comprehensive overview of the chemistry, biochemistry and analysis of phenolic compounds present in a variety of foods. The text can be used as a singular source of knowledge for plant food science and technology, covering all of the important chemical, biochemical and analytical aspects needed for a thorough understanding of phenolic antioxidants in foods. Phenolic Antioxidants In Foods: Chemistry, Biochemistry, and Analysis is comprised of three sections. The first section covers the basic concepts of antioxidants, their chemistry and their chemical composition in foods, providing a detailed introduction to the concept. The second section covers the biochemical aspects of phenolic antioxidants, including their biosynthetic pathways, biological effects and the molecular mechanism of antioxidant effects in the biological system. This section promotes an understanding of the fundamental biochemical reactions that take place in foods and after digestion and absorption. The third section covers the analytical chemistry used in the analysis of phenolic antioxidants in foods, including the basic analytical procedures, methods for analysis and chromatographic and spectroscopic analyses. This section is significant for aspiring food chemists and manufacturers to evaluate the nature and chemistry of phenolic antioxidants in foods. Featuring helpful quizzes, section summaries, and key chapter points, this textbook is the perfect learning tool for advanced chemistry undergraduates and post-graduates looking to gain a fundamental understanding of phenolic antioxidants in food products.

Chemistry of Phenolic Compounds

Author : Jubaraj Bikash Baruah
Publisher :
ISBN 13 : 9781617613357
Total Pages : 0 pages
Book Rating : 4.6/5 (133 download)

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Book Synopsis Chemistry of Phenolic Compounds by : Jubaraj Bikash Baruah

Download or read book Chemistry of Phenolic Compounds written by Jubaraj Bikash Baruah and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the ancient days of research polyphenolic compounds have found a variety of use in medicinal chemistry and presently have found their applications in material research. There is a diverse interest in studying polyphenolic-based materials ranging from enzymes to plastic materials. However, there is no unified approach towards these studies to correlate structures with the different types of properties in order to implement such studies in applied engineering. This book presents a unified approach on synthetic and natural polyphenolic compounds in different forms and elaborate their properties with selective examples.

Food Frying

Author : Alam Zeb
Publisher : John Wiley & Sons
ISBN 13 : 1119468515
Total Pages : 493 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Food Frying by : Alam Zeb

Download or read book Food Frying written by Alam Zeb and published by John Wiley & Sons. This book was released on 2019-03-18 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wide-ranging exploration of the science and practice of food frying Frying is one of the world’s most popular methods of food preparation. Whether using oils or fats, it is valued for the particular flavors and textures it can bring, and represents a multibillion-dollar sector of the global economy. Food Frying: Chemistry, Biochemistry and Safety explores this important cooking technique in its scientific dimensions, charting the relationships between the chemical reactions produced during frying, the changes in food quality that these engender, and associated digestive and health-related issues. By outlining these connections, the author provides an aid to a safer, healthier approach to food frying. Topics covered range from culturally specific forms of frying to detailed analyses of the chemical and biochemical processes involved in its practice. Delivering these insights in a practical and easy-to-follow manner, this unique text includes: A complete survey of food frying, encompassing cultural, chemical, biochemical, and toxicological concerns Guidance on the accurate assessment of health, quality, and safety issues associated with food frying Coverage of the latest technologies and methods involved with frying Information on the possible future development of fried foods Food Frying: Chemistry, Biochemistry and Safety is an invaluable resource for all those who work with fried foods, whether they be food industry professionals, food scientists, or workers in the oil and fat industries.

Handbook of Antioxidants for Food Preservation

Author : Fereidoon Shahidi
Publisher : Woodhead Publishing
ISBN 13 : 1782420975
Total Pages : 515 pages
Book Rating : 4.7/5 (824 download)

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Book Synopsis Handbook of Antioxidants for Food Preservation by : Fereidoon Shahidi

Download or read book Handbook of Antioxidants for Food Preservation written by Fereidoon Shahidi and published by Woodhead Publishing. This book was released on 2015-02-25 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lipid oxidation in food leads to rancidity, which compromises the sensory properties of food and makes it unappealing to consumers. The growing trend towards natural additives and preservatives means that new antioxidants are emerging for use in foods. This book provides an overview of the food antioxidants currently available and their applications in different food products. Part one provides background information on a comprehensive list of the main natural and synthetic antioxidants used in food. Part two looks at methodologies for using antioxidants in food, focusing on the efficacy of antioxidants. Part three covers the main food commodities in which antioxidants are used. - Reviews the various types of antioxidants used in food preservation, including chapters on tea extracts, natural plant extracts and synthetic phenolics - Analyses the performance of antixoxidants in different food systems - Compiles significant international research and advancements

Handbook of Dietary Phytochemicals

Author : Jianbo Xiao
Publisher : Springer
ISBN 13 : 9789811541476
Total Pages : 1953 pages
Book Rating : 4.5/5 (414 download)

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Book Synopsis Handbook of Dietary Phytochemicals by : Jianbo Xiao

Download or read book Handbook of Dietary Phytochemicals written by Jianbo Xiao and published by Springer. This book was released on 2021-09-02 with total page 1953 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes recent advances in the chemistry, bioactivity, nutrition, and functional aspects of dietary phytochemicals, as well as the health and functional aspects of foods rich in phytochemicals. Consisting of forty-four chapters, it discusses the different chemical types of phytochemicals in our diets and food and presents data collected from animal or human experiments that are directly related to human health. Each chapter covers the chemistry, epidemiological study, bioavailability, bioactivity (animal experiments) function in humans and safety, as well as products on the market. Moreover, the more than 200 figures make it easy to grasp the main findings in each area.

Plant Phenolics and Human Health

Author : IUBMB
Publisher : John Wiley & Sons
ISBN 13 : 0470531789
Total Pages : 608 pages
Book Rating : 4.4/5 (75 download)

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Book Synopsis Plant Phenolics and Human Health by : IUBMB

Download or read book Plant Phenolics and Human Health written by IUBMB and published by John Wiley & Sons. This book was released on 2009-10-22 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of current knowledge of phytochemicals and health Interest in phenolic phytochemicals has increased as scientific studies indicate these compounds exhibit potential health benefits. With contributions from world leaders in this research area, Plant Phenolics and Human Health: Biochemistry, Nutrition, and Pharmacology offers an essential survey of the current knowledge on the capacity of specific micronutrients present in ordinary diets to fight disease. The coverage in this resource: Explains the presence and biochemical properties of phenolics present in fruits and vegetables, as well as in foods derived from their plant sources Provides biochemical explanations on how certain plant phenolics fight cardiovascular and neurodegenerative diseases, cancer, and other widespread pathologies Focuses on certain phenolics, e.g., flavonoids, stilbenes, and curcuminoids, and provides insights on the biochemical bases used to define their significance in the diet as well as their recommended consumption requirements and toxicity Appropriate for graduate and upper-level undergraduate courses in human and animal nutrition, basic nutritional biology, physiology, pharmacology, and other health-related disciplines, Plant Phenolics and Human Health: Biochemistry, Nutrition, and Pharmacology serves as both an invaluable supplementary classroom text and a self-teaching guide for professionals interested in defining the association between diet and health from classical, alternative, and complementary biomedical perspectives.

Phenolic Acids

Author : Sergi Munné-Bosch
Publisher : Nova Biomedical
ISBN 13 : 9781619420328
Total Pages : 243 pages
Book Rating : 4.4/5 (23 download)

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Book Synopsis Phenolic Acids by : Sergi Munné-Bosch

Download or read book Phenolic Acids written by Sergi Munné-Bosch and published by Nova Biomedical. This book was released on 2012-03-01 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims at introducing the non-specialist as well as the professionals in the fields of chemistry, biochemistry, biotechnology, food science and biomedical sciences into the biochemistry, applications and health benefits of an important group of natural products, phenolic acids. The book shows how phenolic acids display a potent antioxidant capacity and therefore health promoting effects and describe the phenolic acid composition in fruits and vegetables. The book also covers industrial applications related to phenolic acids. Furthermore, the book discusses the application of phenolic acids as food additives, since the preparation of foods with a high content of phenolic acids can lead to a reduction in the use of synthetic additives, resulting in healthier foods that can be included in the functional foods group. The book is of interest to specialists in the field but also to graduate or postgraduate students that are interested in this particular group of natural products.