Commonly regarded as the desalination heavyweight of the world, the massive Ras Al-Khair is a hybrid project that uses both thermal multistage flash MSF and reverse osmosis RO technologies. Located 75km north-west of Jubail and serving Riyadh, the site also has a substantial power generation component, with a capacity of 2,MW. The main contractor for plant construction was Doosan and its consortium partner Saudi Archirodon, with Poyry acting as the consultant for the project.
Despite the project being in its infancy, when complete Taweelah will catapult the UAE into the top three list. A second in the list for Saudi Arabia, the Shuaiba 3 development is located 90 kilometres south of the historic city of Jeddah. A consortium involving Siemens of Germany for the power plant and Doosan for the thermal desalination plant were selected by ACWA Power to provide project engineering, procurement and construction of the plant.
The development is part of wider plans from the Water and Electricity Company WEC to significantly increase desalination capacity in the country. Commercial operation started at the end of with a year period slated term for operation. The plant is split into four operational blocks.
The Tuas Desalination Plant in Singapore, which opened in , can produce 30 million gallons of fresh water a day. Associated Press. In , California passed the Desalination Amendment , which tightened regulations for intake and brine disposal. Proponents of desalination contend the changes have been onerous and are slowing the march toward a de-sal future.
Because of the cost of seawater processing and the impacts on the ocean, much of the recent desalination growth has involved the use of brackish water. The solids in brackish water are one-tenth the amount in ocean water, and that makes the process much cheaper. Arizona, perpetually short on water and facing a Colorado River supply shortage, is looking at both a seawater de-sal plant in partnership with Mexico — which has the ocean access that the state lacks — and at plants that can treat the million acre-feet of brackish water deposits the state estimates it has.
Texas, meanwhile, now has 49 municipal desal plants that process brackish water, both surface and subsurface. San Antonio currently is building what will be the largest brackish water desal plant in the country.
In its first phase, it produces 12 million gallons a day, enough for 40, families, but by , the plant — known as H2Oaks — will produce 30 million gallons a day. Correction, July 8, An earlier version of this article incorrectly stated that a desalination plant is being built in Huntington, California. It is being built in Huntington Beach, California. By Jacques Leslie. By Jon Hurdle. Search Search. The cost of desalinated water has been coming down as the technology evolves and the cost of other sources increases.
Globally, more than million people now get their water from desalination plants, from the U. Therefore, the government of China is now adopting several methods to introduce Efficient Desalination plants in the country to combat the water depletion issues.
Many cost-effective techniques are also being discovered to administer this upcoming issue of water scarcity in China. All five countries listed here demonstrate a distinctive demand for the introduction of newer water technologies. And all of them have adopted various approaches and taken different ways to foster and promote Efficient Desalination plants.
Many cost-effective methods are being identified as well to meet with the demands of their country-people. The five countries are leading in the list of the desalination market. As a matter of fact, we can decipher here why the requirement of seawater desalination plants so crucial in these regions. In this article, we have not only talked about the leading countries that are adapting desalination techniques to obtain freshwater but also have highlighted —what is the underlying reason behind it.
And as we all know —water scarcity is one of the biggest problems, even the superpowers of the world are combating with. Read: Brine Disposal: How do efficient desalination plants get rid of this toxic remnant? At Keiken Engineering, we aim to help our clients with the conservation of their energy and resources. Although you could be a giant when it comes to the establishment of the desalination plants or any other factories for that matter, what we do at Keiken Engineering is —analyze your industry by conducting several surveys, and assist you in conserving your resources.
The process also generates highly salty brine, which pours back into the gulf. On the other side of the plant, a blue pipe nearly 5 feet wide emerges and arches over the road.
It carries potable water toward Muscat, the capital, and other cities on the coast. The country, officially called the Sultanate of Oman, has been ruled since by Sultan Qaboos bin Said. Over the years, the government has regularly added more desalination plants to keep up with rising water consumption and the increasing population, which has grown to about 5 million with the arrival of immigrants from India, Bangladesh, Pakistan and other countries. He said low water rates have long meant a lack of "demand management" or financial incentives for people to conserve.
The government budget has been squeezed, while per-capita water use has climbed. He said that should mean raising water prices substantially while continuing to ensure economical rates for low-income people.
Homeowners and businesses have long paid a water rate of 2 baisa per gallon in Omani currency, which works out to about a dollar for gallons. That subsidized price, while inexpensive, is still higher than what people pay for water in parts of the United States. For example, an average customer with a single-family home in Phoenix pays about 60 cents for gallons. After many years of keeping the price frozen, Oman's Public Authority for Water announced this year that it's raising rates for customers who use more than 5, gallons a month.
Zekri said this marginal increase still won't cover the cost of water service, and won't provide an effective incentive for people to use less. He said water prices should be increased more to encourage conservation and help drive investments in water-saving technologies. Taking steps to manage the demand for water, he said, would also help limit declines in aquifers, which have fallen due to heavy groundwater pumping, and would help Oman prepare as climate change brings higher temperatures and shifts in rainfall patterns.
Rashid al-Abri, an assistant director of Oman's water ministry, said government officials are seeking to improve on their approaches to water management and are looking at alternatives in addition to desalination, including reusing more treated wastewater — some of which is now used to irrigate roadside vegetation in cities.
Taking advantage of more recycled water, he said, should help address the country's shortage and reduce strains on aquifers. While desalinated water flows to faucets in cities on the coast, groundwater remains the primary source for farms and many inland towns. Some Omani farmers in mountainous areas still depend on ancient systems of water tunnels called aflaj.
The channels were hand-dug centuries ago to tap underground water sources on mountain slopes. The water runs through the underground passages and into open aqueducts, nourishing crops such as dates and lemons, as wells as grasses that villagers use to feed goats and cows.
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