Desalination Applications

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  • Category: Water & Wastewater ×

  • Subcategory: Desalination ×

Desalination Thermal Multiple Effect Distillation (MED)

by Aquatech International Corporation     based in Canonsburg, PENNSYLVANIA (USA)

Aquatech’s Multiple Effect Distillation (MED) Desalination technology, using a spray film™ design, has been developed and improved over decades of in- house research and onsite experience of such systems worldwide to provide an environmentally friendly system to meet the global challenges of a reduced carbon footprint. Production capacity up to 10 MIGD (45,500 m3/day) in a single unit: Significantly lowers electrical consumption Design flexibility to use low to medium pressure supply steam Minimum down time and therefore a higher plant availability factor High purity product water Operates at a low top brine temperature (<70 °C) to minimize scaling and to prevent corrosion Allows use of lower cost but reliable and proven metallurgy Use of Thermo Vapor Compressor to increase efficiency

Advanced water treatment equipments for desalination

by Advanced Equipment and Services, Inc. (AESINC)     based in Coconut Creek, FLORIDA (USA)

Areas that have no or limited surface water or groundwater may choose to desalinate seawater or brackish water to obtain drinking water. Reverse osmosis is the most common method of desalination, Sea Water Reverse Osmosis (SWRO) is a reverse osmosis desalination membrane process that has been commercially used since the early 1970s. Because no heating or phase changes are needed, energy requirements are low in comparison to other processes of desalination, though still much higher than other forms of water supply (including reverse osmosis treatment of wastewater).

Reverse Osmosis Water Testing

by Myron L Company     based in Carlsbad, CALIFORNIA (USA)

Osmosis is the phenomenon of lower dissolved solids in water passing through a semi-permeable membrane into higher dissolved solids water until a near equilibrium is reached. Reverse Osmosis (RO) is a membrane process of purification which removes most of the the total dissolved solids (TDS) in water by reversing the natural process of osmosis. Pressure is applied to a TDS-concentrated solution against a semi-permeable membrane, causing pure water to diffuse through the membrane. RO has become an important process for a wide variety of applications including: medical, laboratory, desalination, industrial wastewater, Deionized (Dl) pretreatment, and drinking water.

Desalination -Membrane Seawater Reverse Osmosis (SWRO)

by Aquatech International Corporation     based in Canonsburg, PENNSYLVANIA (USA)

Aquatech is committed to being the leader in membrane technology with a focus on breaking barriers related to pretreatment, energy recovery, and overall water recovery. We are progressively making strides in optimizing the lifecycle cost and increasing the reliability of SWRO equipment installations. Our approach is to take complete responsibility of SWRO plant installations to ensure complete design integration….. from intake to outfall, Aquatech can take single point responsibility. • More than a decade of experience with SWRO desalination installations on four continents • Capability to design and execute integrated desalination projects on an EPC basis • Potable system design for Boron removal as per global standards • In-House programming capabilities lower overall start-up costs, improve reliability and ensure better plant availability • A dedicated Membrane Desalination Center of Excellence focused on the development of cutting edge solutions for large SWRO plants

Water treatment for golf

by Lindsay Corporation     based in Omaha, NEBRASKA (USA)

The compromised quality of traditional golf course irrigation water sources and the ever-increasing cost of municipal water present golf course owners, operators and superintendents with issues affecting irrigation supply, cost and availability. With our staff of golf industry professionals, golf course superintendents and consultants, along with our water treatment process, application and decades of engineering experience, we have the expertise and flexibility to select the best, most cost-effective solution for addressing any golf market irrigation water treatment application. Whether it’s suspended solids removal via filtration to the treatment of brackish waters due to salt water intrusion, treatment of municipal and industrial wastewater to acceptable reuse quality, or complete sea water desalination systems, Watertronics provides state-of-the-art pumping and overall golf course irrigation water management solutions.

Using evaporation to dewater Reverse Osmosis reject waste streams

by ENCON Evaporators     based in Hooksett, NEW HAMPSHIRE (USA)

Reverse Osmosis (RO) technology has been used for years in various industries to separate dissolved solids from water by forcing the water through a semi-permeable membrane. RO is also commonly used to purify drinking water and desalinate seawater to yield potable water. The water and other molecules with lower molecular weight (specific weight of molecules allowed to pass through is dependent on the selected membrane) pass through the micropores in the membrane, yielding a purified water stream called the permeate. Larger molecules are retained by the membrane as well as a portion of the water that does not pass through the membrane. This concentrated stream is called the concentrate or RO reject.

Water treatment chemicals for the desalination of sea water industry

by Kurita     based in Ludwigshafen, GERMANY

Water is our most precious commodity. Drinking water is becoming more and more scarce as a result of rising demand and the drying up of resources. Particularly in arid regions such as the Middle East, Africa and increasingly in Southern Europe, the situation is deteriorating dramatically.

Filtration solutions for pre-treatment for desalination industry

by Filtralite Saint-Gobain Byggevarer As     based in Alnabru, NORWAY

In desalination plants it is of great importance for the operation of the entire plant that the pre-treatment of the water is good before the salt is to be removed. For reverse osmosis (RO) desalination plants a good pre-treatment is essential for avoiding membrane fouling, resulting in reduced water production and increased operational costs.

Monitoring Raw Water Intake

by Turner Designs Hydrocarbon Instruments, Inc.     based in Fresno, CALIFORNIA (USA)

The Situation: Hydrocarbons in water intake used for municipal drinking water and desalination systems are commonly limited to 1 part per million. Problem: Naturally occurring organics in raw water are typically treated with chemicals. Total Organic Carbon (TOC) analyzers in the water treatment system can alert technicians when some type of organic material is present but cannot differentiate between natural organics, such as algae or leaves and hydrocarbons. Solution: A fluorescence monitor can be configured for sensitivity to hydrocarbons, with no significant response to other organics. The TD-4100XDC has the highest sensitivity to hydrocarbons in raw water, has a low cost of ownership, and can be modified with Teflon, Monel, and other corrosion resistant materials for sea water environments. Please visit http://www.oilinwatermonitors.com/applications-2/raw-water-intake for more information about this application.

Industrial water Ammonia & Arsenic removal from water

by PuriTech Ltd     based in Herentals, BELGIUM

Nitrogen is a nutrient essential to all forms of life as a basic building block of plant and animal protein. Nevertheless, too much of it can be toxic. The processes used for the removal of ammonium ions from drinking waters include ion exchange. PuriTech`s ION-IX system can be broken up into 4 distinctive zones with each zone operating continuously. The resin is initially loaded with the Ammonia ions (and partially calcium and magnesium)in the adsorption zone. As the ION-IX multi-port valve rotates, the resin that has been saturated with Ammonia ions (and some calcium and magnesium ions)moves into a one-bed displacement zone with softened water to ensure hard water does not cause precipitation within the multi port valve.

Sea Water Intakes & Outfalls

by DESMI A/S     based in Noerresundby, DENMARK

Desalinated sea water is a major water source for many countries. These facilities are often built with power generation plant and a major factor for all installations is reliability. This reliability starts with the sea water intake and regardless of the desalination technology (MSF, MED, RO) unplanned plant shut downs due to the ingress of hydrocarbons or a sudden jelly fish attack are absolutely unacceptable. The DESMI Oil Spill Response segment have many years experience in the design, manufacture, installation and commissioning of permanent oil boom and jelly fish net systems for a vast range of sea water intake systems. We have an impressive history of proven oil spill technology at various locations around the world including the harsh Middle East environment.

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