Minjur desalination plant, in the state of tamil nadu, india, was inaugurated in july 2010 after the completion of trial runs in june 2010. Figure 1 shows regions of the world in which water withdrawal approaches the difference between. When you desalinate you heat the water leaving the. In this video, i have explained how the reverse osmosis process works. Solutions to local water scarcity issues will likely require a combination of approaches, including demand management, improved water storage capacity, water quality protection, and advancements in supplyenhancing water treatment technologies.
Presentations are available on themes, as diverse as umbrella beach, seaworld, and surfing. Water desalination and purification technology training covers many aspects of water supply challenges facing the world, and areas of water. Readyto download and fully customizable, this desalination ppt template is available in different color themes. Simply fill a large bowl with salt water and set an empty glass at the center. Alternatively, there are plenty of safety measures to be taken to treat waterborne diseases with free water ppt backgrounds. Aybar, mathematical modeling of an inclined solar water distillation system, desalination, 2005. Eds capability in removing ionic and nonionic components has qualified it to process municipal wastewater, brackish water, industrial wastewater, and has even been used in chemical and food industries. Find powerpoint presentations and slides using the power of, find free presentations research about.
Desalination is a process that takes away mineral components from saline water. There are two major types of desalination technologies around the world, namely membrane desalination and thermal desalination. Total world capacity is approaching 30 million m3day of potable water the worlds largest plant in saudi arabia produces 128 million gallons a day mgd of desalted water. Desalination plants control pressure, temperature and brine concentrations to optimize efficiency. Department of the army, usa, technical manual tm 588, water desalination. Sources of water water is found in rivers, seas, oceans and lakes. Review on water desalination using renewable solar energy. In fact, a solar still can turn salt water into fresh water in just a few days. Reverse osmosis is a widely used and rapidly growing desalination technology. Ppt desalination the water treatment process powerpoint. With a daily capacity of 218,000 m3 the seawater desalination plant delivers high quality potable water and satisfies the high requirements in terms of pre and. To take advantage of natural resources, attention has been focused on desalination of sea water or brackish water saline water. Desalination of sea water appears as a solution for this problem. Despite the many benefits the technology has to offer, still challenging to all desalination plants is the environmentally sensitive effects attributed to the discharge into the sea of the rejected brine, which can very often severely damage the receiving environment, and air pollutant emissions attributed to the.
Although there are various methods to treat wastewater before it is released into seas and oceans, desalination is one of the most effective water treatment processes. Ppt water treatment course desalination presentation. To take advantage of natural resources, attention has been focused on desalination of sea water or brackish watersaline water. Key bottlenecks of water desalination membrane productivity. Water desalination and purification technology training. There are varying degrees of salinity in water, which. With improvements in technology, desalination processes are becoming costcompetitive with other methods of producing usable water for our growing needs. Scarcity results when the local fresh water demand is similar in size to the local fresh water supply. This paper presents the egyptian experience in water desalination and introduces environmental, technological and economical aspects of water desalination industry in egypt, and sheds the light on. Ppt desalination,water treatment,sea water desalination.
Seawater desalination current status and trends presentation. Ppt on desalination desalination solar energy scribd. Ppt on desalination desalination solar energy free. Ppt for desal plant desalination water supply scribd. With increase in the levels of pollutant in the water, it is imperative we start treating our water before and after using it too.
This process can be applied wherever a reliable source of water is needed. Give a talk on marine life with free water powerpoint templates. People especially those in waterstarved parts of the world have been searching for fresh water solutions for centuries. Desalination is an interdisciplinary journal publishing high quality papers on desalination materials, processes and related technologies desalination welcomes submissions detailing work that is clearly connected to water desalting including applications of desalination to seawater, groundwater and waste waters, such as thermal, membrane, sorption and hybrid processes. Water treatment course desalination presentation powerpoint. Treatment reverse osmosis desalination xpowerpoint. Treatment reverse osmosis desalination dwqr risk assessment training. Reverse osmosis desalination process in powerpoint animated. At the same time, the gradual depletion of nonrenewable fuels and the related climate change consequences should lead to key changes in energy supply and use of energy. Using desalination technologies for water treatment. Water globe consultants nikolay voutchkov, pe, bcee. Reverse osmosis desalination process in powerpoint.
Desalination processes may be used in municipal, industrial, or commercial applications. The drop in energy consumption would be significant because of the high cost of energy, which accounts for 50% of the total water desalination cost. Solar desalination schematic sustainable sanitation, water. Displaying powerpoint presentation on treatment reverse osmosis desalination available to view or download. Electrodialysis desalination for water and wastewater. More generally, desalination refers to the removal of salts and minerals from a target substance, as in soil. A desalination process essentially separates saline water into two parts one that has a low concentration of salt treated water or product water, and the other with a much higher concentration than the original feed water, usually referred to as brine concentrate or simply as concentrate.
The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the world. Electrodialysis ed desalination delivers high water recovery without the use of chemicals. Apr 11, 2012 over15,000 desalination plants in operation worldwide, producing upto 55. This process can be applied wherever a reliable source of water is. Desalination costs include capital costs and operation costs, which can vary significantly across various locations and according to source water type e. Desalination projects innovative water technologies. Seawater is also reach in minerals which have market interest. It is a myth that, sea water desalination is exorbitantly expensive. Around 97% of the water in the world is in the oceans and approximately 2%2. A desalination process essentially separates saline water into two parts one that has a low concentration of salt treated water or product water, and the other with a much higher concentration. Desalination projects innovative water technologies texas. Other desalination technologies are used less widely due to their rudimentary development andor higher cost.
With the advances of desalination technologies, sea water has become an interesting water source to cope with fresh water shortage. Introduction water scarcity is a growing problem for large regions of the world. Seawater desalination technologies research office legislative council secretariat fs071415 1. Ppt water desalination powerpoint presentation free to. Process of sea water desalination is desalination sustainable solution does your drinking water have any unpleasant chlorine smell necessity of water coolers in public places can water heal the arthritis february 2017 january 2017 december 2016 october 2016 september 2016 july 2016 june 2016 may 2016 april 2016 previous post. Reducing salt water to its basic elements salt and water is so simple that its become a science lesson for firstgraders. Download free water powerpoint templates to plan your next canoe journey. Bill west gbra, general manager 1 a free powerpoint ppt presentation displayed as a flash slide show on id. Ppt on desalination desalination solar energy free 30. Desalination and water purification research program. Public health and the environment world health organization.
A free powerpoint ppt presentation displayed as a flash. Process of sea water desalination is desalination sustainable solution does your drinking water have any unpleasant chlorine smell necessity of water. A deep hole is dug in the earths crust to make a well. Eds capability in removing ionic and nonionic components has qualified it to process municipal. Water desalination and purification technology training covers many aspects of water supply challenges facing the world, and areas of water desalination and. Desalination is an interdisciplinary journal publishing high quality papers on desalination materials, processes and related technologies desalination welcomes submissions detailing work that is clearly. Desalination also spelled desalinization is the process of creating fresh water by removing saline salt from bodies of salt water. Download ready to use free salt water ppt template. If youre someone who is interested in creating a presentation on such a topic, let us help you. If the reprint or republication includes ed material, the credit should also state. Turns out the same folks who built giant sphinxes and drove horsedrawn. Wells are an important source of water in the indian villages. View and download powerpoint presentations on solar water distillation ppt. With the large demand of salt in many geographical areas, producing salt.
Desalination of seawater and brackish water is accepted as an alternative source to fulfil growing water demand. Significance desalination process helps remove minerals from sea water to make it consumable. Low cost nanomaterials for water desalination and purification. However, due to lower energy requirements, a desalination process called reverse osmosis ro2 now appears to have a slightly lower cost than distillation for seawater desalination unless a dual purpose electric power desalination plant is being built. However, due to lower energy requirements, a desalination process called reverse osmosis ro2 now appears to have a slightly lower cost than dis. Can desalination help not hinder australian water management. Ppt water desalination and purification technology training. Desalination is when you remove salt from groundwater or seawater to make fresh water for you to drink. Despite the many benefits the technology has to offer, still challenging to all desalination plants is the environmentally sensitive. The journal is dedicated to research and application of desalination technology, environment and energy considerations, integrated water management, water reuse, wastewater and related topics. The process of desalting seawater is essential to have water storage for municipal use. Desalination of water is one of the key drivers under nonpower applications of dae program. For brackish water desalination, ro and another desalination process called electrodialysis ed are both competitive. Mar 17, 2017 desalination plants control pressure, temperature and brine concentrations to optimize efficiency.
Reverse osmosis desalination seawater advanced watertek. Desalination plants a hidden asset for power, water. Desalination technologies were introduced about 50 years ago at and were able to expand access to. Free salt water ppt template download free powerpoint ppt. Since 2016, over 2,000 third graders have visited bgndrf during discovering desal and participated in learning stations related to the importance of fresh water, how water becomes salty, using reverse. Capacitive deionization cdi is a promising method for desalination of brackish water because of its energyefficiency as compared with conventional techniques such as membrane separation and. Free salt water ppt template published on may 30, 2017 march 12, 2020 by debu sehgal this free powerpoint template is compatible with all latest microsoft powerpoint versions and can be also. Desalination how critical is it for the state to develop seawater desalination supplies. Over15,000 desalination plants in operation worldwide, producing upto 55. Desalination can be defined as any process that removes salts from water.
Jan 31, 2020 desalination also spelled desalinization is the process of creating fresh water by removing saline salt from bodies of salt water. Solutions to local water scarcity issues will likely require a combination of approaches, including demand management, improved water storage capacity, water quality protection, and advancements in supply. Water being necessary for consumption, household usage, industry production, and agriculture, its demand will rise with economic and population growth. This is a fully editable slide and can be used in your school or university presentations. A free powerpoint ppt presentation displayed as a flash slide show on. Desalination basic considerations demand for fresh water domesticuse, industry.
Energy optimization of brackish groundwater reverse osmosis desalination. Minjur desalination plant, tamil nadu, india water technology. Nuclear powered desalination might be economical on a large scale. Why desalination is a good solution for water problems throughout the world. There are varying degrees of salinity in water, which affects the difficulty and expense of treatment, and the level of saline is typically measured in parts per million ppm. Ppt desalination powerpoint presentation free to download. The major advantage of seawater desalination and water treatment is that it provides safer drinking water on locations without any access to other fresh water sources. The minjur desalination plant consists of 8,600 sea water reverse osmosis ro membranes, which will produce 100mld of freshwater. Back in 2002, the extent of the drought in australia saw cities start building desalination plants in order to provide water security for the future, says dr sahin. Jul 09, 2014 why desalination is a good solution for water problems throughout the world. Evaluation of concentrate management and assessment of the vibratory shear enhanced process. Desalination technologies can create new sources of freshwater from otherwise impaired waters such as.
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