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Chlorine-free Water Disinfection Applications

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    Oxidation Reduction Potential (ORP)/Redox

    Oxidation Reduction Potential or Redox is the activity or strength of oxidizers and reducers in relation to their concentration. Oxidizers accept electrons, reducers lose electrons. Examples of oxidizers are: chlorine, hydrogen peroxide, bromine, ozone, and chlorine dioxide. Examples of reducers are sodium sulfite, sodium bisulfate and hydrogen sulfide. Like acidity and alkalinity, the increase of one is at the expense of the other.

    By Myron L Company based in Carlsbad, CALIFORNIA (USA).

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    Ultraviolet disinfection systems for the de-chlorination industry

    The purpose of de-chlorination is the removal of free chlorine and combined chlorine compounds from potable water, as supplied by municipal water supplies. Chlorine will oxidize the surface of thin film composite polyamide membranes, causing the membrane to lose its ability to repel or reject salts. As a result, the membranes used in Reverse Osmosis (RO) or Electro-deionisation (EDI) systems will exhibit shorter lifetimes when exposed to chlorine in the water they are treating and membrane manufacturers will...

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    UV disinfection for swimming pool systems and aquatics facilities

    Our ultraviolet light water treatment for swimming pools are proven to significantly improve swimming pool treatment and improve water quality by breaking down problem chloramines – the cause of eye and skin irritations – and protect against harmful chlorine-resistant microorganisms such as Cryptosporidium. For operators wanting bright sparkling water, fresh clean air and residual chlorine levels as low as 0.5ppm. The UV pool treatment of choice worldwide for swimming pools, spas and water parks.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Water treatment solutions for fire water industry

    Offshore and on shore facilities using seawater in their Firewater System face the problem of marine growth like algae, mussels etc. This growth if unchecked will lead to chocking of the pipeline and starve the jockey pumps.

    By Pristine Water based in New Delhi, INDIA.

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    Ultraviolet disinfection systems for the water parks industry

    As water features, wave machines, flumes and splash pads raise the fun factor in swimming pools, traditional methods of disinfecting water, using chlorine, are causing problems for operators and customers alike. Higher water temperatures and increased turbulence in leisure pools requires increased dosages of chlorine, leading to pool users complaining of burning eyes, red or itchy skin and an over powering chlorine smell throughout the facility. In some extreme cases the fabric of the building has also been...

    By atg UV Technology based in Wigan, UNITED KINGDOM.

  • Online monitoring solutions for the determination of chlorine in hydrochloric acid

    Chlorine levels in liquid hydrochloric acid (HCl) are precisely and safely monitored by means of AppliTek’s EZ-HCl process analyzer. On-line measurement of chlorine in liquid HCl guarantees the purity of the end product. An additional possible reason for the measurement is that chlorine is an indicator for the amount of excess hydrogen in the synthesis of hydrochloric acid.

    By AppliTek NV based in Nazareth, BELGIUM.

  • Water quality solutions for nitrification areas

    The Fast Response Early Boost (FREB) strategy has provided effective control in chloraminated potable water tanks during warm months when these problems are most acute.

    By Medora Corporation based in Dickinson, NORTH DAKOTA (USA).

  • Cyanide Treatment with Hydrogen Peroxide

    Cyanides are used in a number of chemical synthesis and metallurgical processes (as simple salts or cyanide complexes). As a class, cyanides are highly toxic and must be destroyed or removed from wastewaters prior to discharge. The most common method for treating free or simple cyanide is alkaline chlorination. However, chlorination of cyanide results in highly toxic intermediates (e.g., cyanogen chloride) and, if organic material is present, chlorinated VOC’s. These compounds, together with the residual chlorine,...

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

  • Chlorine Dioxide Water Treatment for Oil and Gas Refinieries

    Injecting chlorine dioxide into a well is an established technique for removing sulphides and sulphates from oil and gas wells. CleanOxide Chlorine Dioxide is a practically pure solution of chlorine dioxide. It rapidly oxidises the naturally occurring iron compounds, and is also effective at breaking up and removing organic solids and added polymers.

    By NW Solutions based in Perth, AUSTRALIA.

  • Chlorine Dioxide Water Treatment for Reverse Osmosis Membranes Industry

    Biological fouling of reverse osmosis is a common problem leading to reduced efficiency and reduced membrane life. CleanOxide Liquid 75 is pure Chlorine dioxide which is a highly effective biocide ideal for use in reverse osmosis systems. CleanOxide Chlorine Dioxide has all the important regulatory approvals in Australia and overseas to be used in water treatment and food processing. Many strategies have been developed in an effort to control biofouling of Reverse Osmosis membranes including the use of sodium...

    By NW Solutions based in Perth, AUSTRALIA.

  • Desalination and water treatment solutions for food & beverage industry

    Some of the biggest names in the food and beverage industry, including soft drink and beer producers, rely on custom designed Osmoflo desalination plants for safe, high quality water in their manufacturing processes. You may be drinking Osmoflo water right now! We understand that a reliable supply of clean, pure water is critical to food and beverage manufacturing and cleaning processes.

    By Osmoflo Pty Ltd. based in Burton, AUSTRALIA.

  • Online monitoring solutions for determination of residual chlorine in liquid phase EDC

    The purpose of determining residual chlorine in liquid EDC (ethylene dichloride) is to protect decrease risk of corrosion and damage to production units downstream. For all other analytical solutions in the chlorination process, please browse the On-line Analyzers Suite under Products & Solutions.

    By AppliTek NV based in Nazareth, BELGIUM.

  • Advanced water treatment controller solutions for ultima waste water sector

    Waste water treatment is a multi-stage process to neutralise or disinfect wastewater to within regulatory requirements before it is released into the environment. Considering the wide range of waste water streams and associated difficulties, the control system must be reliable, flexible and with a comprehensive range of functions to be activated for each individual treatment requirement.

    By Aquarius Technologies Pty Ltd based in Coopers Plains, AUSTRALIA.

  • Water quality monitoring systems for cooling water treatment industry

    A number of treatment products are often added to prevent corrosion, scaling and fouling. Coating of sensors and other effects of these products must be taken into account when selecting analyzers. Discharge monitoring needs special attention because zero measurements must be reliable over time with little maintenance.

    By SWAN Analytische Instrumente AG based in Hinwil, SWITZERLAND.

  • Water quality monitoring systems for portable water plants

    Low maintenance and reliability are key requirements for analyzers in potable water plants. Cost of ownership is another big issue.

    By SWAN Analytische Instrumente AG based in Hinwil, SWITZERLAND.

  • Water quality monitoring systems for public pools & sanitary

    Public health authorities in some countries regulate the quality of water in public pools and control water treatment tightly. A typical installation comprises several instruments with a common web-server for access via intranet or internet.

    By SWAN Analytische Instrumente AG based in Hinwil, SWITZERLAND.

  • Chlorine Dioxide Water Treatment for Power Plants

    Chlorine dioxide is a significant product in the control of algae, planktonic and sessile bacteria, bio-film and scale in power plants, cooling towers, loops and cooling systems. CleanOxide helps maintain the efficiency of heat exchanger surfaces, reservoir intakes and ancillary equipment. Traditional oxidising agents such as chlorine and bromine, on the other hand, are associated with pH constraints and corrosion problems.

    By NW Solutions based in Perth, AUSTRALIA.

  • Ozone/UV systems for swimming pool water treatment

    Studies have proven that chlorine use has negative consequences due to the formation of byproducts, i.e. chlorinated organic compounds and chloramines. Irritation of eyes and mucous membranes, drying out the skin as well as “chlorine smell” are well known troubles. However, these byproducts also accelerate the corrosion in pool halls and significant risk is given by their toxicity (chloramines, combined chlorine) and/or carcinogenicity. Higher rate of asthma prevalence is one of the consequences....

    By Lifetech based in Brno, CZECH REPUBLIC.

  • Chlorine Dioxide Water Treatment in Breweries

    Brewing Equipment Sanitisation: Chlorine dioxide is a safe and effective sanitiser for use in a variety of brewing and packaging applications. CleanOxide Chlorine Dioxide can be applied to water systems, processing equipment, and environmental surfaces to reduce or eliminate brewery spoilage organisms.

    By NW Solutions based in Perth, AUSTRALIA.

  • Online monitoring solutions for determination of iron in hydrochloric acid

    Levels of iron in liquid hydrochloric acid (HCl) are precisely monitored by means of the EZ-HCl analyzer system. Iron oxides that dissolve in the HCl can lead to the formation of ferrous chloride (FeCl2) and compromised purity of the end product. With increasing concerns over safety and efficiency in the chlorine manufacturing processes, AppliTek has investigated the use of proprietary on-line analyzer systems to monitor and control the HCl synthesis. Each of these on-line analyzer systems has been selected to...

    By AppliTek NV based in Nazareth, BELGIUM.

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