The desalination of seawater by reverse osmosis has long been considered an alternative and innovative water source for southern california since the technology was first developed in the 1960s. Desalination engineering by nikolay voutchkov overdrive. This water environment federation and watereuse association publication describes stateofthe art operation, maintenance, and troubleshooting methods for reverse osmosis brackish and seawater desalination plants for municipal water supplies. Advancements in seawater reverse osmosis pretreatment for removal of particulates and colloids, the focus of this paper, the following pretreatment systems have been previously utilized in seawater reverse osmosis systems. Pretreatment for reverse osmosis desalination ebook, 2017. Chemical conditioning, sedimentation and daf clarification 08. For reverse osmosis seawater desalination systems this limit is. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from. After a brief overview of widely used desalination technologies, desalination engineering focuses on reverse osmosis desalination. Pretreatment for reverse osmosis desalination is a comprehensive reference on all existing and emerging seawater pretreatment technologies used for desalination. Pretreatment for reverse osmosis desalination by nikolay. Nikolay voutchkov, pe, bcee page 1 nikolay voutchkov, pe, bcee. Seawater pretreatment challenges and considerations. Reverse osmosis is an ideal water treatment solution in most types of water.
This book presents an overview of pretreatment challenges facing most reverse osmosis seawater desalination plants today and provides practical solutions derived from worldwide experience. Oct 31, 2010 considerations for selection of seawater filtration pretreatment system considerations for selection of seawater filtration pretreatment system voutchkov, nikolay 20101031 00. The key purpose of the pretreatment system is to remove particulates, debris, microorganisms, suspended solids and silt from the source seawater prior. Investigation of seawater reverse osmosis fouling and its. Aug, 2011 distillationtype desalination systems require large amounts of energy to produce fresh water and, because of these, only where low cost energy is available is distillation economically feasible for applications. Pretreatment for reverse osmosis desalination sciencedirect. All plant components are discussed in detail, from intake and pretreatment to discharge management.
Elsevier radarweg 29, po box 211, ae amsterdam, netherlands. Pretreatment for reverse osmosis desalination 1st edition. Operation and maintenance by nikolay voutchkov pdf, epub ebook d0wnl0ad the definitive guide to desalination plant operation and maintenance this water environment federation and watereuse association publication describes stateofthe art operation, maintenance, and troubleshooting methods for reverse osmosis brackish. Source water open and subsurface intakes source water pretreatment chemical conditioning, dissolved air flotation clarifiers, and granular media, membrane, and cartridge filters reverse osmosis system operation reverse osmosis system troubleshooting posttreatment lime and carbon dioxide, calcite. The effect of the type of pretreatment employed ahead of the swro. Mar 08, 2015 after a brief overview of widely used desalination technologies, desalination engineering focuses on reverse osmosis desalination. Pretreatment for reverse osmosis desalination 1, voutchkov. Desalination is a separation process used to reduce the dissolved salt content of saline water to a usable level. Pretreatment is frequently considered the achilles heel of a reverse osmosis ro desalination treatment system. Desalination engineering planning design and operation covers all aspects of desalination project implementationincluding planning and cost estimating, design, and equipment. This book is a comprehensive reference on all existing and emerging seawater pretreatment technologies used for desalination. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from highly saline water.
All desalination processes involve three liquid streams. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from highly saline water sources brackish water and seawater. Pretreatment for reverse osmosis desalination kindle edition by voutchkov, nikolay. Desalination engineering planning and design voutchkov. Nikolay voutchkov, pe, bcee page 3 advisory services for desalination projects worldwide mr. Advances in reverse osmosis pretreatment techniques. Design guidelines for seawater pretreatment nikolay. Download desalination engineering planning and design ebook. Desalination of seawater using reverse osmosis ro technology is an important option available to waterscarce coastal regions. Use features like bookmarks, note taking and highlighting while reading pretreatment for reverse osmosis desalination. Suezs water pretreatment chemicals are designed to remove free and combined chlorine from reverse osmosis ro and ultrafiltration uf feedwaters. Reverse osmosis ro desalination is a treatment process for production of fresh, low salinity potable water from saline water source seawater or brackish water via membrane separation. Desalination by reverse osmosis download ebook pdf, epub. The water research foundation wrf is a nonprofit 501c3 organization which provides a unified source for one water research and a strong presence in relationships with partner.
Increase efficiency and prolong membrane life by learning more about suezs water pretreatment process. Download it once and read it on your kindle device, pc, phones or tablets. Nikolay, voutchkov, pe, bcee, water globe consulting, usa. Desalination by reverse osmosis is an effort on the part of one group of interested technicians to share what they have learned about reverse osmosis. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from highly saline water sources brackish water and. Download pdf desalination of seawater by reverse osmosis. The nonconventional pretreatment for nom, particles and colloids is ultrafiltration. For the preservation of the affectivity and life span of a reverse osmosis ro installation, a sufficient pretreatment is required. Systematic studies in the area of swro fouling are lacking as compared to ro fouling by freshwater. This volume is a musthave for any desalination or reverse osmosis ro plant. Mar 07, 2017 laguna water engineering is a company dedicated to provide all kind of engineering and consulting services exclusively for the water and wastewater sector in the international market. Nikolay voutchkov, chief technology officer, poseidon resources corporation seawater pretreatment holds the key to successful and costeffective desalination.
Generally speaking, all major water sources from a treatment standpoint can be broken down into three major categories. Seawater pretreatment challenges and considerations waterworld. This has led to the recent trend for larger seawater. Voutchkov nikolay published with the water environment federation and watereuse association, this is a comprehensive, onevolume engineering reference on desalination. The book focuses on reverse osmosis membrane desalination, which at present is the most widely applied technology for the production of fresh drinking water from highly saline water sources. Considerations for selection of seawater filtration. Pretreatment for reverse osmosis desalination nikolay voutchkov water globe consultants, llc, winter springs, florida, united states. Reverse osmosis ro is the process of separating dissolved salts from water with the help of semipermeable membranes. Design guidelines for seawater pretreatment the purpose of this research will be to develop practical design guidelines of how to select the most viable pretreatment technology or combination of. An antiscalant solution should be dosed before the reverse osmosis membranes to disperse calcium carbonate and sulfates precipitates in order to avoid scaling.
There are ro systems on the market treating as little as 25 gallons per hour to more than 450,000 gallons per day. However with the technological developments in reverse osmosis, most new plants use this technology because it has a proven history of use and low energy and capital costs compared with other available desalination technologies. While granular medial filtration is still a dominating. The first large seawater ro commercial plants in california were built in 1985 and 1987 at diablo. Nikolay voutchkov has over 25 years of experience in the field of desalination and water reuse as an independent technical advisor to public utilities implementing large desalination projects in australia, usa, and the middle east. Pretreatment is an integral part of every seawater reverse osmosis swro desalination plant. Water pretreatment chemicals for reverse osmosis suez. Most modern browsers have builtin pdf readers if you have problems opening this file in your browser, check your browsers or computer systems settings. Chlorinator system more from sea water desalination seawater intake. An indepth guide to reverse osmosis desalination this water environment federation and watereuse association publication provides comprehensive information on the planning and engineering of brackish and seawater desalination projects for municipal water supplies.
Public health and the environment world health organization. Pretreatment technologies for membrane seawater desalination. Click download or read online button to get desalination by reverse osmosis book now. Pretreatment chemicals such as acid may need to be added, depending on where the blending source water is split from the feed water piping. Nikolay voutchkov, poseidon resources, san diego, ca pravin murkute, hydranautics, oceanside, ca jason kizer, zenon environmental, san diego, ca introduction the desalination of seawater by reverse osmosis has long been considered an alternative and. Membrane based solution are now widely accepted technology to.
With more than 30 years of professional experience, 14 as a board certified environmental engineer, mr. Download desalination engineering planning and design. Pretreatment for reverse osmosis desalination knovel. Stateoftheart of reverse osmosis desalination pretreatment.
In the late 1960s, reverse osmosis ro was developed for desalting saline water supplies. Early applications of desalination were smallscale plants deploying a range of technologies. This is in contrast to the comparably predictable and robust behavior of the ro system when the ro feed water has been sufficiently pretreated for the application. Nikolay voutchkov pretreatment for reverse osmosis desalination is a comprehensive reference on all existing and emerging seawater pretreatment technologies used for. Pretreatment for membrane processes reverse osmosis ro and nanofiltration nf have long been utilized for desalination, softening and contaminant removal.
Seawater desalination using reverse osmosis ro process has increased substantially in the recent past and is expected to grow at an increasingly rapid pace in the future. Considerations for selection of seawater filtration pretreatment system voutchkov, nikolay 20101031 00. Nikolay voutchkov, pe, bcee, is with water globe consulting, llc where he provides independent technical advisory services in the desalination field to public utilities and private consulting companies and investors in the u. Pretreatment in a seawater desalination plant by reverse. D 3739 practice for calculation and adjustment of the langelier saturation index for reverse osmosis d 3923 practice for detecting leaks in reverse osmosis devices d 4189 test method for silt density index sdi of water. This is in contrast to the comparably predictable and robust behavior of the ro system when the ro feed water has been sufficiently pretreated for.
Pretreatment for reverse osmosis desalination ebook by. Operation and maintenance, by nikolay voutchkov is an extremely easy task. Operation and maintenance, by nikolay voutchkov exactly how a simple idea by reading can improve you to be a successful person. The key purpose of the pretreatment system is to remove particulates, debris, microorganisms, suspended solids and silt from the source seawater prior to reverse osmosis separation. A proper selection of pretreatment methods for feed water will improve affectivity and extend the life span of the system by preventing or minimizing biofouling, scaling and membrane plugging. As the available ground water, fresh water and clean water sources are depleting globally, ronf technologies are being applied to surface waters, wastewater and ground waters. For reverse osmosis seawater desalination systems this limit is approximately 65,000 to 80,000 mgl 65 to 80 parts per thousand ppt.