Dynamic Modeling Of Multi Stage Flash Msf Desalination Plant
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Dynamic Modeling Of Multi Stage Flash Msf Desalination Plant
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Author : Hala Faisal Al-Fulaij
language : en
Publisher:
Release Date : 2011
Dynamic Modeling Of Multi Stage Flash Msf Desalination Plant written by Hala Faisal Al-Fulaij and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Dynamic Modeling Of Multi Stage Flash Msf Desalination Plant
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Author : H. F. Al-Fulaij
language : en
Publisher:
Release Date : 2011
Dynamic Modeling Of Multi Stage Flash Msf Desalination Plant written by H. F. Al-Fulaij and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
The world population is increasing at a very rapid rate while the natural water resources remain constant. During the past decades industrial desalination (reverse osmosis (RO) and multistage flash desalination (MSF)) became a viable, economical, and sustainable source of fresh water throughout the world. In the MSF units, the flashing of seawater involves formation of pure vapour, which flows through a wire mesh demister to remove the entrained brine droplets and then condenses into product water. The study presented in this thesis is motivated by the absence of detailed modelling and analysis of the dynamics of the MSF process and the demister. A detailed dynamic model can be used in design, control, startup/shutdown and troubleshooting. Most of the previous studies on MSF plant focused on model development and presented limited amount of performance data without any validation against plant data. Literature models of the MSF demister are either empirical or semi-empirical. This motivated use of a computational fluid dynamics (CFD) software to design a new demister that will reduce the pressure/temperature drop in the vapour stream without affecting the separation efficiency of brine droplets and allows the optimal design of complete MSF units. Lumped parameter dynamic models were developed for the once through (MSF-OT) and the brine circulation (MSF-BC) processes. The models were coded using the gPROMS modelling program. The model predictions for both MSF-OT and MSF-BC in steady state and dynamic conditions showed good agreement against data from existing MSF plants with an error less than 1.5%. Dynamic analysis was made to study plant performance upon making step variations in system manipulated variables and identify stable operating regimes. New stable operating regimes were reached upon changing the cooling water flow rate by + 15% and increasing the recycle brine flow rate by 15% and decreasing it by 7%. This was not the case for the steam temperature where its variation was limited to + 2-3 %. This behavior is consistent with the actual plant data. The FLUENT software was used to model the MSF demister using different combinations of Eulerian and Lagrangian approaches to model the vapour and the brine droplets. This provided the open literature with novel and new methodologies for design and simulation of the MSF demister using CFD. A new demister design was made upon varying the wire diameter. This led to an efficient design with low pressure drop and high separation efficiency. This design was used in the MSF/gPROMS model to predict its effect on the heat transfer area. The new design provided reductions of 3-39% in the condenser heat transfer area without affecting dynamic performance. Since the tubing system accounts for almost 70% of the capital cost, then this would reduce the plant capital cost and product unit cost. The modelling approach presented in this thesis enables design of thermal desalination units to determine optimal heat transfer area and optimized operating conditions.
Multi Stage Flash Desalination
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Author : Abraha Woldai
language : en
Publisher: CRC Press
Release Date : 2015-06-26
Multi Stage Flash Desalination written by Abraha Woldai and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-26 with Technology & Engineering categories.
Explore a Viable Resource for DesalinationThe world's freshwater supplies are rapidly depleting and seawater is being positioned as a major feasible replacement in the search for a sustainable water source. Focused on large-scale multi-stage flash (MSF) seawater desalination plants, and based on research conducted on a real 18-stage plant, Multi-St
Advances In Water Desalination
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Author : Noam Lior
language : en
Publisher: John Wiley & Sons
Release Date : 2012-10-26
Advances In Water Desalination written by Noam Lior and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-26 with Science categories.
Desalination is a dynamically growing field with more research, more engineering, more applications, more countries, more people, and with more training programs. This book provides high quality invited reviews on progress in various aspects of the desalination field. It features comprehensive coverage of desalination science, technology, economics, markets, energy considerations, environmental impact, and more. It is a key guide for professionals and researchers in water desalination and related areas including chemical, mechanical, and civil engineers, chemists, materials scientists, manufacturers of desalination membranes, water reuse engineers, and water authorities, as well as students in these fields.
Thermal Desalination Processes Volume I
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Author :
language : en
Publisher: EOLSS Publications
Release Date : 2020-09-19
Thermal Desalination Processes Volume I written by and has been published by EOLSS Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-19 with categories.
Thermal Desalination Processes is a component of Encyclopedia of Water Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. These volumes discuss matters of great relevance to our world on desalination which is a critically important as clearly the only possible means of producing fresh water from the sea for many parts of the world. The two volumes present state-of-the art subject matter of various aspects of Thermal desalination processes such as: Multi-Stage Flash evaporation (MSF) and Multi Effect Distillation (MED) and Mechanical / Thermal Vapor Compression, in addition to the Hybrid Desalination Systems. Chemical Dosing For Desalination; Control Scheme of the Plants; Steady-State Model; Steady-State Simulation; Dynamic Model; Economics and Performance of Desalination Plants. Theses volumes are aimed at the following five major target audiences: University and College Students Educators, Professional Practitioners, Research Personnel and Policy and Decision Makers.
Integrated Power And Desalination Plants
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Author : Asghar. Husain
language : en
Publisher: EOLSS Publications
Release Date : 2003-10-15
Integrated Power And Desalination Plants written by Asghar. Husain and has been published by EOLSS Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-10-15 with Power-plants categories.
Application of advanced computer-oriented techniques are necessary in the synthesis, design analysis and operation of a complex integrated plant to produce power and freshwater, by desalting seawater or brackish water, at higher efficiency and lower cost. These are the two vital commodities to maintains sustainability of life, particularly in the arid regions where natural freshwater supply is either totally lacking or has become scarce. Even in the regions with polluted water resources, such a system is required to support life. At the same time, the available energy should be put to maximum use and life-cycle analysis is essential to ensure sustainability of the systems. The contributors of this book, experts in their own respective fields, outline the various techniques enriched by their experience. The contents of the book would, therefore, be of great interest not only to designers and operators of dual-purpose power-desalination plants but also to educators and researchers as well serve as a valuable source of information to those engaged in other areas of processing industry. The book is motivated by the growing importance of integrated power and desalination plants in general and in their respective regions in particular, and the long felt need for an authoritative book on the subject. After a long gap of more than two decades following the publication of "Principles of Desalination" Spiegler and Laird in 1980, this book would be a welcome addition to the literature in the field to serve as a valuable guide and reference to all those who are concerned with the integration of power and desalination plants. It will also serve as a valuable source of information to those in the processing industry in general.
Desalination Technologies
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Author : Iqbal M. Mujtaba
language : en
Publisher: Elsevier
Release Date : 2022-06-28
Desalination Technologies written by Iqbal M. Mujtaba and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-28 with Science categories.
Desalination Technologies: Design and Operation sets the scene for desalination technologies as a long-term solution to freshwater demand by analyzing the current demand for water, available water resources and future predicted demand. The book captures recent developments in thermal desalination (multistage flash desalination, multi-effect evaporation, vapor compression), membrane desalination (forward osmosis, reverse osmosis, pressure retarded, electrodialysis, membrane distillation, ultra-, nano-, and micro-filtration), and alternative processes such as freezing and ion exchange. Both dynamic and steady state models (from short cut, simple, to detail) of various desalination processes are discussed. The book is intended for (under)graduate students in chemical engineering and postgraduate researchers and industrial practitioners in desalination. - Provides the fundamentals of different desalination processes - Includes desalination modeling from short and simple, to detailed and more advanced - Discusses desalination optimization and synthesis to reduce environmental impact - Handles thermo-physical property models and correlations - Includes case studies to give a clearer understanding of desalination
The Water Food Energy Nexus
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Author : I. M. Mujtaba
language : en
Publisher: CRC Press
Release Date : 2017-09-11
The Water Food Energy Nexus written by I. M. Mujtaba and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-11 with Science categories.
Exponential growth of the worldwide population requires increasing amounts of water, food, and energy. However, as the quantity of available fresh water and energy sources directly affecting cost of food production and transportation diminishes, technological solutions are necessary to secure sustainable supplies. In direct response to this reality, this book focuses on the water-energy-food nexus and describes in depth the challenges and processes involved in efficient water and energy production and management, wastewater treatment, and impact upon food and essential commodities. The book is organized into 4 sections on water, food, energy, and the future of sustainability, highlighting the interplay among these topics. The first section emphasizes water desalination, water management, and wastewater treatment. The second section discusses cereal processing, sustainable food security, bioenergy in food production, water and energy consumption in food processing, and mathematical modeling for food undergoing phase changes. The third section discusses fossil fuels, biofuels, synthetic fuels, renewable energy, and carbon capture. Finally, the book concludes with a discussion of the future of sustainability, including coverage of the role of molecular thermodynamics in developing processes and products, green engineering in process systems, petrochemical water splitting, petrochemical approaches to solar hydrogen generation, design and operation strategy of energy-efficient processes, and the sustainability of process, supply chain, and enterprise.
History Development And Management Of Water Resources Volume Ii
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Author :
language : en
Publisher: EOLSS Publications
Release Date : 2010-05-15
History Development And Management Of Water Resources Volume Ii written by and has been published by EOLSS Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-15 with categories.
These volumes are part of Encyclopedia of Water Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The two volumes present state-of-the art subject matter of various aspects of History, Development and Management of Water Resources These volumes are aimed at the following five major target audiences: University and College Students Educators, Professional Practitioners, Research Personnel and Policy and Decision Makers.
Common Fundamentals And Unit Operations In Thermal Desalination Systems Volume I
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Author :
language : en
Publisher: EOLSS Publications
Release Date : 2010-11-08
Common Fundamentals And Unit Operations In Thermal Desalination Systems Volume I written by and has been published by EOLSS Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-08 with categories.
These volumes are part of Encyclopedia of Water Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The three volumes present state-of-the art subject matter of various aspects of Common Fundamentals and Unit Operations in Thermal Desalination Systems such as: Conventional Water Treatment Technologies; Guidelines for Potable Water Purification; Advanced Treatment Technologies for Recycle - Reuse of Domestic Wastewater; Composition of Desalinated Water; Crystallization; Deep Bed Filtration: Modeling Theory and Practice; Distillation ; Rectification; Flocculation and Flocculation Filtration; Hazardous Waste Treatment Technologies; Microfiltration and Ultrafiltration; Post-Treatment of Distillate and Permeate; Pre-Cleaning Measures: Filtration; Raw Water Pre-Treatment: Sludge Treatment Technologies; Supercritical Extraction; Potential for Industrial Wastewater Reuse; Treatment of Industrial Wastewater by Membrane Bioreactors; Unconventional Sources of Water Supply; Problem of Non-Condensable Gas Release in Evaporators; Entrainment in Evaporators; Mist Eliminators; Chemical Hazards in Seawater Desalination by the Multistage-Flash Evaporation Technique; Concentration of Liquid Foods; Environmental Impact of Seawater Desalination Plants; Environmental Impacts of Intakes and Out Falls; Industrial Ecology, Water Resources, and Desalination; Rural and Urban Water Supply and Sanitation; Sustainable Development, Water Supply and Sanitation Technology These volumes are aimed at the following five major target audiences: University and College Students Educators, Professional Practitioners, Research Personnel and Policy and Decision Makers.