The Production of Fish Oil by Continuous Solvent Extraction PDF Download
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Author: Wallace G. Bir
Publisher:
ISBN:
Category : Extraction (Chemistry)
Languages : en
Pages : 170
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Book Description
Author: Wallace G. Bir
Publisher:
ISBN:
Category : Extraction (Chemistry)
Languages : en
Pages : 170
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Book Description
Author: George M. Pigott
Publisher:
ISBN:
Category : Fish oils
Languages : en
Pages : 16
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Book Description
Author: Alan T. Thomas
Publisher:
ISBN:
Category : Fish oils
Languages : en
Pages : 76
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Book Description
Author: M. K. Schwitzer
Publisher:
ISBN:
Category : Oils and fats
Languages : en
Pages : 394
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Book Description
Author: Kirubanandan Shanmugam
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Farid Chemat
Publisher: John Wiley & Sons
ISBN: 3527676813
Category : Science
Languages : en
Pages : 384
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Book Description
Extraction processes are essential steps in numerous industrial applications from perfume over pharmaceutical to fine chemical industry. Nowadays, there are three key aspects in industrial extraction processes: economy and quality, as well as environmental considerations. This book presents a complete picture of current knowledge on green extraction in terms of innovative processes, original methods, alternative solvents and safe products, and provides the necessary theoretical background as well as industrial application examples and environmental impacts. Each chapter is written by experts in the field and the strong focus on green chemistry throughout the book makes this book a unique reference source. This book is intended to be a first step towards a future cooperation in a new extraction of natural products, built to improve both fundamental and green parameters of the techniques and to increase the amount of extracts obtained from renewable resources with a minimum consumption of energy and solvents, and the maximum safety for operators and the environment.
Author: Ibraheem Adetunji Adeoti
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The fish processing industry generates a significant amount of fish byproducts that could either be an important source of energy, food, or industrial feedstock. Fish oils are made up of several lipid classes. These lipids contain long-chain omega-3 polyunsaturated fatty acids; PUFA, (mostly eicosapentaenoic acid (EPA: C20:5 n-3), and docosahexaenoic acid (DHA: C22:6 n-3)) and other lipid classes. The traditional market for the nutritional lipids in the fish oil has been the food industry. However, significant infrastructure for the strict quality control systems is required for food grade oils. Therefore, the process of extracting the high nutritional oils is energy intensive. Further, the location and infrastructure limit the feasibility due to processing requirement, storage and/or transportation issue. For biofuel implementation, the processes to extract and refine fish oil are less energy intensive than the processes for nutritional quality oils and do not require the stringent product specifications and approval process as in the food and pharmaceutical industry. There have been significant advances in developing inexpensive and robust methods for fuel extraction and upgrading processes. Supercritical fluid extraction process using carbon dioxide (SC-CO2) under moderate conditions is promising for quality fish oil production. This process produces oil with low impurities compared to other processes. The specific research objectives include: (1) Overview and background information on Atlantic Canada fish processing plants (2) Review of (state of art) fish oil extraction processes including physical, chemical and biological processes. (3) Fuel oil characterization of fish oil and fish oil blends with petroleum distillate. This section evaluates thermal stability, rheological, and heating values, of crude fish oil and blend with heavy petroleum distillate. (4) Solubility determination of fish oil in SC-CO2; the SFE extraction process (optimize the SFE process conditions to maximize fish oil yield under the least intensive conditions, pressures, temperatures and CO2 consumption); and mathematical model to predict oil extraction rate as a function of process conditions. (5) Fuel oil quality evaluation as a function of extraction methods. (6) Life cycle assessment (LCA) of different extraction processes (modified fishmeal process (MFM), SC-CO2, and soxhlet processes) of fish oil from salmon wastes. The environmental burdens and potential impacts by each extraction process were quantified through the LCA. In the characterization phase of this study, the thermal and rheological properties of unrefined salmon oil, bunker fuel oil and their blends have been analyzed. The feasibility of using unblended and/or blends of fish oil in conventional heaters/boilers/engines are determined by these properties. The MFM oils, the bunker fuel oil and their blends behaved as a shear thinning non-Newtonian fluid that can be described by the power-law model. The supercritical carbon dioxide extraction (SC-CO2) was effective at pressures of 15, 25, and 35 MPa, temperatures of 313, 333 and 353 K, and CO2 flow rates of 0.18-0.48 kg/hr. The process is solubility controlled and the yields at 35 MPa, temperatures of 313, 333 and 353 K, and CO2 flow rates of 0.18 kg/hr were approximately 39, 46 and 41 (wt.%). The mathematical model (Goto et al. 1993) using the best fit of theoretical extraction curve correlated the experimental data satisfactorily with average absolute deviation, AAD (%) ranged from 2.4 to 10.6 %. Unlike the MFM oil, the SC-CO2 oil is more viscous homogenous oil which behaved as a Newtonian fluid. Physco-chemical, compositional and thermal characterization indicated SC-CO2 oil contains fewer impurities than the MFM and soxhlet process oils. From the LCA results, the MFM method has the lowest overall environmental impact compared to the soxhlet and SC-CO2 methods. The soxhlet extraction method, due to the use of solvent (hexane), has the greatest impacts on all of the four damage categories (human health, ecosystem quality, climate change and resources). The SC-CO2 requires more energy to produce 1 kg fish oil (2 folds more than the MFM and 3 folds more than the soxhlet methods). However, the SC-CO2 produces higher quality oil than the other two processes and the process impact on the environment is moderate relative to the MFM and soxhlet processes.
Author: Francesca M. Kerton
Publisher: John Wiley & Sons
ISBN: 1119117186
Category : Science
Languages : en
Pages : 310
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Book Description
Fuels, Chemicals and Materials from the Oceans and Aquatic Sources provides a holistic view of fuels, chemicals and materials from renewable sources in the oceans and other aquatic media. It presents established and recent results regarding the use of water-based biomass, both plants and animals,for value-added applications beyond food. The book begins with an introductory chapter which provides an overview of ocean and aquatic sources for the production of chemicals and materials. Subsequent chapters focus on the use of various ocean bioresources and feedstocks, including microalgae, macroalgae, and waste from aquaculture and fishing industries, including fish oils, crustacean and mollusc shells. Fuels, Chemicals and Materials from the Oceans and Aquatic Sources serves as a valuable reference for academic and industrial professionals working on the production of chemicals, materials and fuels from renewable feedstocks. It will also prove useful for researchers in the fields of green and sustainable chemistry, marine sciences and biotechnology. Topics covered include: • Production and conversion of green macroalgae • Marine macroalgal biomass as an energy feedstock • Microalgae bioproduction • Bioproduction and utilization of chitin and chitosan • Applications of mollusc shells • Crude fish oil as a potential fuel
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 506
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Book Description
Author: Frank D. Gunstone
Publisher: CRC Press
ISBN: 0412433206
Category : Science
Languages : en
Pages : 1311
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Book Description
A great deal of research has been carried out on this important class of compounds in the last ten years. To ensure that scientists are kept up to date, the editors of the First Edition of The Lipid Handbook have completely reviewed and extensively revised their highly successful original work. The Lipid Handbook: Second Edition is an indispensable resource for anyone working with oils, fats, and related substances.
