Water Desalination & RO
Ultrafiltration Technical Manual
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Assessment Of Best Available Technologies For Desalination In Rural/Local Areas
Introduction: The Sustainable Water Integrated Management (SWIM) is a European Union(EU)-funded Regional Technical
Assistance Program [1] that “aims at supporting water governance and mainstreaming by promoting sustainable
and equitable water resources management to become a prominent feature of national development policies and
strategies (agriculture, industry, tourism, etc).” [2]
Countries in the south of the Mediterranean are facing increasing water scarcity. This scarcity is driving the need
for augmenting conventional water supply with alternative water sources. Rural and remote areas are particularly
disadvantaged because such areas are often located far away from municipal water supply systems and
conventional water sources, and are often not connected to the electric power grid. There is good potential for
addressing the water scarcity problem in rural and remote areas through sustainable saline water desalination
technologies. Seawater and brackish water desalination are well-established industries comprising a wide variety
of available technologies with decades of accumulated experience. There are many advancements and evolution in
desalination technologies. The numerous technologies and processes available have different characteristics,
advantages and disadvantages that make each suitable for particular market segments or specific niches.
Moreover, much of the cumulative technology experience is related to large urban supply plants that are either
connected to the grid, or are themselves part of large power and desalination cogeneration plants. Rural and
remote areas have special requirements that influence the appropriate selection of technologies. These include
technical requirements related to small-scale application using renewable energy sources, ease of operation and
maintenance, and simple design; requirements dictated by geographical location; as well as socio-economic and
socio-cultural requirements related to the communities that are intended to operate and benefit from the
technology. Successful implementation and long term sustainability (operational and environmental sustainability)
of desalination projects for rural and remote locations requires that all the relevant requirements be identified and
addressed from the earliest stages of the project.
Assessment Of Best Available Technologies For Desalination In Rural/Local Areas
Introduction: The Sustainable Water Integrated Management (SWIM) is a European Union(EU)-funded Regional Technical
Assistance Program [1] that “aims at supporting water governance and mainstreaming by promoting sustainable
and equitable water resources management to become a prominent feature of national development policies and
strategies (agriculture, industry, tourism, etc).” [2]
Countries in the south of the Mediterranean are facing increasing water scarcity. This scarcity is driving the need
for augmenting conventional water supply with alternative water sources. Rural and remote areas are particularly
disadvantaged because such areas are often located far away from municipal water supply systems and
conventional water sources, and are often not connected to the electric power grid. There is good potential for
addressing the water scarcity problem in rural and remote areas through sustainable saline water desalination
technologies. Seawater and brackish water desalination are well-established industries comprising a wide variety
of available technologies with decades of accumulated experience. There are many advancements and evolution in
desalination technologies. The numerous technologies and processes available have different characteristics,
advantages and disadvantages that make each suitable for particular market segments or specific niches.
Moreover, much of the cumulative technology experience is related to large urban supply plants that are either
connected to the grid, or are themselves part of large power and desalination cogeneration plants. Rural and
remote areas have special requirements that influence the appropriate selection of technologies. These include
technical requirements related to small-scale application using renewable energy sources, ease of operation and
maintenance, and simple design; requirements dictated by geographical location; as well as socio-economic and
socio-cultural requirements related to the communities that are intended to operate and benefit from the
technology. Successful implementation and long term sustainability (operational and environmental sustainability)
of desalination projects for rural and remote locations requires that all the relevant requirements be identified and
addressed from the earliest stages of the project.
Desalination & Water Purification Technologies
Introduction:
The world’s water consumption rate is doubling every 20 years, outpacing by two times the rate of population growth. The availability of good quality water is on the decline and water demand is on the rise. Worldwide availability of fresh water for industrial needs and human consumption is limited.
Various industrial and developmental activities in recent times have resulted in increasing the pollution level and deteriorating the water quality. Water shortages and unreliable water quality are considered major obstacles to achieve sustainable development and improvement in the quality of life. The water
demand in the country is increasing fast due to progressive increase in the demand of water for irrigation, rapid industrialization, and population growth and improving life standards. The existing water resources are diminishing (i) due to unequal distribution of rain water and occasional drought, (ii) excessive exploitation of ground water sources and its insufficient recharge, (iii) deterioration of water quality due to the discharge of domestic and industrial effluents without adequate treatment. This is resulting into water stress/ scarcity. Country is currently passing through social and economic transition.
The proportion of the population which is urban has doubled over the last thirty years (and is now about 30%), agriculture now accounts for about 25% of GDP and the economy has been growing at around 7-9% a year. Country has a highly seasonal pattern of rainfall, with 50% of precipitation falling
in just 15 days and over 90% of river flows in just four months
Desalination & Water Purification Technologies
Introduction:
The world’s water consumption rate is doubling every 20 years, outpacing by two times the rate of population growth. The availability of good quality water is on the decline and water demand is on the rise. Worldwide availability of fresh water for industrial needs and human consumption is limited.
Various industrial and developmental activities in recent times have resulted in increasing the pollution level and deteriorating the water quality. Water shortages and unreliable water quality are considered major obstacles to achieve sustainable development and improvement in the quality of life. The water
demand in the country is increasing fast due to progressive increase in the demand of water for irrigation, rapid industrialization, and population growth and improving life standards. The existing water resources are diminishing (i) due to unequal distribution of rain water and occasional drought, (ii) excessive exploitation of ground water sources and its insufficient recharge, (iii) deterioration of water quality due to the discharge of domestic and industrial effluents without adequate treatment. This is resulting into water stress/ scarcity. Country is currently passing through social and economic transition.
The proportion of the population which is urban has doubled over the last thirty years (and is now about 30%), agriculture now accounts for about 25% of GDP and the economy has been growing at around 7-9% a year. Country has a highly seasonal pattern of rainfall, with 50% of precipitation falling
in just 15 days and over 90% of river flows in just four months
Desalination As An Alternative To Alleviate Water Scarcity And a Climate Change Adaptation Option In The MENA Region
This report has been prepared by Dr. Jauad El Kharraz at MEDRC with the support of Eng. Ayisha Al-Hinaai, Eng. Riadh Dridi, Ms. Elsa Andrews, Ms. Jackie Allison, and Eng. Georges Geha. This study was peer reviewed by three international experts. We would like to thank them for their reviewing work
Desalination As An Alternative To Alleviate Water Scarcity And a Climate Change Adaptation Option In The MENA Region
This report has been prepared by Dr. Jauad El Kharraz at MEDRC with the support of Eng. Ayisha Al-Hinaai, Eng. Riadh Dridi, Ms. Elsa Andrews, Ms. Jackie Allison, and Eng. Georges Geha. This study was peer reviewed by three international experts. We would like to thank them for their reviewing work
Desalination: A National Perspective
NOTICE:
The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the panel responsible for the report were chosen for their special competences and with regard for appropriate balance.
Support for this study was provided by the U.S. Bureau of Reclamation under Grant No. 06CS811198. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the organizations or agencies that provided
support for the project.
Desalination: A National Perspective
NOTICE:
The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the panel responsible for the report were chosen for their special competences and with regard for appropriate balance.
Support for this study was provided by the U.S. Bureau of Reclamation under Grant No. 06CS811198. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the organizations or agencies that provided
support for the project.
A Primer On Brackish And Seawater Desalination
Abstract: This publication was produced as an activity of the Texas Living Waters Project. This project
is a collaborative effort of the National Wildlife Federation, Environmental Defense, and the Lone
Star Chapter of the Sierra Club. The goals of the project are to 1) ensure adequate water for people
and environmental needs, 2) reduce future demand for water and foster efficient and sustainable use
of current water supplies, 3) educate the public and decision makers about the impact of wasteful
water use and the opportunities for water conservation, and 4) involve citizens in the decision
making process for water management.
A Primer On Brackish And Seawater Desalination
Abstract: This publication was produced as an activity of the Texas Living Waters Project. This project
is a collaborative effort of the National Wildlife Federation, Environmental Defense, and the Lone
Star Chapter of the Sierra Club. The goals of the project are to 1) ensure adequate water for people
and environmental needs, 2) reduce future demand for water and foster efficient and sustainable use
of current water supplies, 3) educate the public and decision makers about the impact of wasteful
water use and the opportunities for water conservation, and 4) involve citizens in the decision
making process for water management.
Desalination In Water Treatment And Sustainability
ABSTRACT:
The purpose of this Bachelor’s thesis was to introduce different desalination technologies in solving water scarcity in countries where access to safe drinking water is limited, due to increasing population growth, industrial activities and agriculture. This thesis covers and explains different desalination technologies in dealing with water problems in different countries and the best suitable methods. The thesis was commissioned by HAMK University of Applied Sciences.
The thesis also focuses on the Economic and Social Commission for West Asia (ESCWA) member countries were access to water is limited due to scanty rainfall and dry lands. Desalination technology has played a significant role in solving their water scarcity in the region leading to sustainable development. A case study of Taweelah power and desalination plant in Abu Dhabi was explained providing detailed information. As a conclusion, it can be stated that desalination in water treatment and sustainability is a significant factor in the world today, because the future of water supply requires adequate sustainability to be able to effectively supply and support the world’s increasing population. For the Taweelah power and desalination plant project, a suitable re-design of the intakes and outfall layout should be adjusted. The outfall can be an offshore pipeline instead of its location onshore.
Desalination In Water Treatment And Sustainability
ABSTRACT:
The purpose of this Bachelor’s thesis was to introduce different desalination technologies in solving water scarcity in countries where access to safe drinking water is limited, due to increasing population growth, industrial activities and agriculture. This thesis covers and explains different desalination technologies in dealing with water problems in different countries and the best suitable methods. The thesis was commissioned by HAMK University of Applied Sciences.
The thesis also focuses on the Economic and Social Commission for West Asia (ESCWA) member countries were access to water is limited due to scanty rainfall and dry lands. Desalination technology has played a significant role in solving their water scarcity in the region leading to sustainable development. A case study of Taweelah power and desalination plant in Abu Dhabi was explained providing detailed information. As a conclusion, it can be stated that desalination in water treatment and sustainability is a significant factor in the world today, because the future of water supply requires adequate sustainability to be able to effectively supply and support the world’s increasing population. For the Taweelah power and desalination plant project, a suitable re-design of the intakes and outfall layout should be adjusted. The outfall can be an offshore pipeline instead of its location onshore.
Desalination and Water Treatment
Abstract:
This study proposes a simple design method of the Reverse osmosis (RO) system in RO brackish water desalination plants. This method is based on the application of maximum available recovery without scaling of any of the compounds present in the water as silica, calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, and calcium fluoride, and membrane manufacturer design guidelines, and the plant production. Although the method was originally
conceived for application to subterranean brackish waters in the Canary Islands, Spain (principally Gran Canaria, Fuerteventura and Tenerife), it can be extrapolated to other types of region and water treatable with RO systems. The required input data are the chemical composition of the feed water, pH, temperature, silt density index membrane manufacturer design guidelines, and the plant production. The programmed method then determines the design of the RO system. The method whose procedure is described graphically and analytically can be used as an aid in design optimization of RO brackish water desalination plants with acid-free pretreatment processes and only the use of scale inhibitor using spiral wound membranes. Practical applications are presented. The final results for different types of feed water and capacities are showed.
Desalination and Water Treatment
Abstract:
This study proposes a simple design method of the Reverse osmosis (RO) system in RO brackish water desalination plants. This method is based on the application of maximum available recovery without scaling of any of the compounds present in the water as silica, calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, and calcium fluoride, and membrane manufacturer design guidelines, and the plant production. Although the method was originally
conceived for application to subterranean brackish waters in the Canary Islands, Spain (principally Gran Canaria, Fuerteventura and Tenerife), it can be extrapolated to other types of region and water treatable with RO systems. The required input data are the chemical composition of the feed water, pH, temperature, silt density index membrane manufacturer design guidelines, and the plant production. The programmed method then determines the design of the RO system. The method whose procedure is described graphically and analytically can be used as an aid in design optimization of RO brackish water desalination plants with acid-free pretreatment processes and only the use of scale inhibitor using spiral wound membranes. Practical applications are presented. The final results for different types of feed water and capacities are showed.
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