Watercore designs, builds and installs a wide range of water and wastewater treatment systems for industrial and commercial applications: Iron filtration, reverse osmosis desalination, chlorination and UV disinfection, water softening etc.
Focusing on industrial and commercial projects, Watercore combines different water treatment technologies to succeed in each industry: cooling tower water, boiler water, irrigation water, bore water, labs, hospitals and hospitality.
Feedwater analysis has always been the most important criterion to design and estimate the performance of Reverse Osmosis water treatment plants, however it is common to find unpredictable and inconsistent feeedwater salinity with frequent and significant variations.
All Watercore RO systems incorporate a PLC that controls the concentrate-valve and automatically adjusts and optimises key performance parameters.
Reverse osmosis foulants are small particles and bacteria found in the system feed water that get trapped and accumulate on the membrane surface, preventing water permeability and reducing the membrane and whole RO water treatment performance.
RO membrane cleaning is recommended when there is an increase in salt passage or pressure that can be linked to membrane fouling, just before any medium or long term shutdown or as part of the scheduled RO water treatment maintenance protocol, typically every 3 to 6 month.
A pilot plant is a collection of equipment and other materials designed to simulate what will happen on a full-scale water treatment process.
Pilot testing offers the flexibility to evaluate the performance through artificially creating a scale plant that will work in real site conditions. It can demonstrate what needs to be done to improve the overall water treatment system, or show where weaknesses are.
Concentration of residual Chlorine after disinfection or oxidation is often too high for distribution, discharge to the environment or for other downstream water treatment processes such as reverse osmosis desalination.
Amongst other methods, chemical dechlorination by means of Sodium Bisulphite (NaHSO3) is very common for various reasons:
The reaction between Chlorine and Sodium Bisulfite is practically immediate, comes at a lower costs than other chemicals and is widely available for water treatment applications
The use of soft water as cooling tower make-up is beneficial in many ways, eliminating Calcium precipitates, providing a natural passivation method that prevents corrosion and increasing the number of concentration cycles with less chemicals.
Water softening is one of the most beneficial water treatment options for cooling towers
Cooling towers draw air through the internal fill to provide the evaporative conditions that are responsible for water cooling.
Rule-of-thumb says that around 900–1800 m3 of air is in contact with each m3 of water.
The air normally contains particles of dust, soil, organic matter and other small contaminants in suspension. These particles are dragged from the air and carried by the cooling tower water stream, where they are incorporated as suspended matter.
Sidestream filtration is an economical and effective water treatment process for cooling water
Modern industrial and commercial reverse osmosis water treatment plants are fully automated and staffed only in case of malfunctions, alarms or membrane cleaning. Sensors play a major role in the reverse osmosis control process.
Feedback dosing control, where a flow-pace control is combined with a residual Chlorine or ORP sensor feedback reading, is the best available dosing control for disinfection or oxidation in water treatment applications. However, the lag-time between the dosing point and the sensor reading can be problematic when the feedwater quality is inconsistent.
Modern stringent environmental and water treatment regulations along with water scarcity have increased pressure on water recycling in cooling tower systems. Reverse Osmosis desalination is the primary and most affordable recycling water treatment.
Water disinfection plays a major role in drinking water treatment, being the final stage before its distribution. However water disinfection is also a critical part of commercial and industrial water applications: hospitals, cooling towers and food processing are examples of industries where water is constantly present and disinfection is an essential water treatment process.
Turbidity of water is a key parameter of its suitability for water disinfection.
Modern filtration media, based on activated alumino-silicate glass, can deliver a higher water treatment quality, with at least 50% lower chlorine oxidation demand than an equivalent sand filter.
Standard commercial and industrial reverse osmosis systems have certain disadvantages such as a low recovery rates, relatively high electrical power demand and the need of a very consistent feed water composition. Watercore
Our energy-efficient reverse osmosis systems have been designed to overcome all those challenges
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