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Water Treatment Plants
Swimming Pool Filters
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Today, we not only deal in complete range of swimming pools & Swimming Pool Filters but also take up turnkey jobs of swimming pools, Jacuzzi / spas right from conceptualising to installation. Our Technically qualified Engineers and Architects look after the projects; maintain high standards during manufacturing, construction and installation, guaranteeing clients a success in their ventures.
Our structures vary according to the type of soil on which the pool is built. We offer pools in any shape, size or depth, thanks to the Surflo systems we offer, the most innovative technology in the industry.
As for water circulation and surface cleaning, our technologies have been widely tested in the market; the skimmer and level deck techniques ensure perfect water quality at all times.
Swimming Pool Filtration is an essential operation in the Pool working and is guaranteed by our range of high-efficiency Pool filters and pumps with up-to-date pre-filters and other special components.
For Pool disinfection, we offer world class dosing systems, to maintain hygiene of the pool.
Swimming Pool Filtration, disinfection and cleaning of the pool can be fully automated, thereby enabling your swimming pool to be in operation virtually independent.
Regarding the aesthetics, internal lighting is available either with optical fibres or with transformed lamps. The exterior flooring incorporates the craftsmanship of paving blocks/granite sculptors, which render a magical finishing touch. We also ensure the supply and installation of the most reliable products in the market.
Surflo System The SURFLO system is based on the following established facts:
- The diseases contracted by bathers are chiefly those of eyes, ears, nose and throat.
- The most potent germ-carrier is floating mucus.
- Maximum pollution occurs at the surface of the water.
- One of the most important safeguards is the maintenance of a satisfactory chlorine residual in every part of the bath.
Water is to be collected from the pool by the channels formed along the perimeter of the pool. The water overflowing in these channels is supposed to produce a constant skimming effect on the surface, to carry away the dangerous floating mucous and other material.
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Mineral Water Plants
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Reverse Osmosis Plants
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We provide Reverse Osmosis Plants which are based on the reverse osmosis process to clean impure water. Reverse osmosis is the process of forcing a solvent from a region of high solute concentration through a membrane to a region of low solute concentration by applying a pressure in excess of the osmotic pressure. As Reverse Osmosis does not occur naturally, it must be created by applying pressure to the high solids water in order to force it through the membrane, with pressures from 8 - 14 bar for fresh and brackish water, and 40 - 70 bar for seawater, which has around 24 bar (350 psi) natural osmotic pressure which must be overcome. The membranes used for reverse osmosis have a dense polymer barrier layer in which separation takes place.
Operating process: Our RO Plants work on the Cross flow Filtration method, which takes the feed water and uses a percentage of it as a wash or reject stream, removing the solids during the filtration process. The product flow of an RO is mainly a function of temperature and pressure. RO units do not deliver to service all of the water that is fed to them. During operation, some of the incoming water is used to wash down the membrane, and only part becomes finished product water. Purified water is referred to as product and wastewater is referred to as concentrate, or reject. The percent of water delivered as product is called the recovery, and depends upon the membrane and on total RO unit design considerations
Pretreatment of water The feed water contains various concentrations of suspended solids and dissolved matter. Suspended solids include inorganic particles, colloidal particles and biological impurities such as microorganisms and algae. Dissolved matter comprise of highly soluble salts, such as chlorides, and sparingly soluble salts, such as carbonates, sulfates, and silica. During the RO process, the volume of feed water decreases, and the concentration of suspended particles and dissolved ions increases. Suspended particles may settle on the membrane surface, thus blocking feed channels and increasing pressure drop across the system. Sparingly soluble salts may precipitate from the concentrate stream, create scale on the membrane surface, and result in lower water permeability through the RO membranes. This process of formation of a deposited layer on a membrane surface is called membrane fouling and results in performance decline of the RO system. The objective of the feed water pretreatment process is to improve the quality of the feed water to the level which would result in reliable operation of the RO membranes.
In general pretreatment comprises of the following steps:
- Clarification followed by Sand Filtration for Turbidity removal
- Water disinfection with chlorine
- Hardness reduction by Softening
- Addition of scale inhibitor
- Reduction of free chlorine using sodium bisulfite/ Activated carbon filters
- Final removal of suspended particles using cartridge filters
Post Treatment:
Based on the Output water quality required, the post treatment process consists of all or some of the following treatment steps:
- Ozonation
- Ultra-violet
- Chlorination systems
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Demineralisation Plants
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The operation of DM plants is through the following four stages:
- Service
- Backwashing
- Regeneration
- Rinse/remix
Service: In Service cycle the water enters the vessel and passes through the Resin bed of the respective exchanger Backwashing: After the resins are exhausted, the bed is backwashed. Backwashing is carried out by a uniform upward flow of water through the resin bed. The backwash step expands the resin bed releasing any entrapped particulate matter & removes the channeling in the resin column if occurred during the service cycle. Regeneration: When the ion exchange resins loose all the exchangeable ions, they require regeneration to restore them back to hydrogen or hydroxyl form depending upon whether they are cation or anion resins. To achieve this 4 - 5% concentrated solution of Hydrochloric acid is used for cation resin and a 4% - 5% concentrated solution of caustic soda for anion resin. Sulphuric acid can also be used for Cation Regeneration but the concentration of acid during injection must be kept at minimum, such as to prevent calcium sulphate precipitation on the resin. Rinse: The final stage of regeneration is to rinse the resins of excess regenerant.
Some of the advantages of our DM plants include the following:
- Easy to install & operate
- Complete Assembly with backwash & regeneration equipment
- Produces DM water of high purity
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Lamella Clarifier
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Advantages
- Stable flow and excellent effluent quality
- Occupies 1/10th of space required by conventional clarifiers
- No moving parts, thereby minimizing the maintenance problems
- Sludge thickener zone having four slopped hopper bottom completely replaces the extra thickness
- Maximum effective settling area per m2 of the plate area due to better hydraulic distribution and collection arrangement
- Easy drainage
- Corrosion resistant metal plates
- Does not build up deposits
Application areas
- Water Clarification
- Sewage Treatment
- Effluent Treatment
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