chlorinated compounds Applications

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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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  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.

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  Determination of chlorate, perchlorate, and chlorite ions in drinking water including bottled water

  Introduction

  Chlorination remains the most widespread way of disinfecting water in the world. Its flaws are: high toxicity of chlorine and other chlorinating reagents, also formation of various chlorine-containing compounds, including chlorite-, chlorate, and perchlorate anions. Maximum permitted levels (MPL) of these components are established in WHO Guidelines for drinking water and other regional and national regulations.

  By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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  Stack Testing for the Aluminum Industry

  ALUMINUM INDUSTRY: Performed a range of test measurements required by the promulgation of the Secondary Aluminum MACT standards. Testing included measurements of Hazardous Air Pollutants for establishing Area vs. Major Source Determinations, as well as dioxin/furan compounds associated with chlorine emissions from fluxing operations.

  By AirSource Technologies, Inc. based in Shawnee, KANSAS (USA).

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  WATER PURIFICATION

  Citto Activated Carbon ‘Water Series’ provides total solutions for water purification using cutting edge carbon manufacturing technologies. We offer high quality, standard, specially processed products complying with ISO9001-certified. Our carbons effectively remove organic molecules including Volatile Organic Compounds (VOCs), disinfection by-products (DBPs), chlorinated compounds, chloramines, polycyclic hydrocarbons, heavy metals, colored bodies, toxins and oils among many other contaminants.

  By Citto Corporation based in TORONTO, ONTARIO (CANADA).

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  water treatment solutions for the dechloramination

  Chlorine reacts with compounds in the swimming pool water to give rise to by-products. Although there is potentially a large number of chlorine-derived disinfection by-products (DBPs), the substances produced in the greatest quantities are chloramines. Chlorine reacts extremely rapidly with ammonia in the water to form chloramines (monochloramine, dichloramine and trichloramine).

  By bestUV BV based in Best, NETHERLANDS.

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  MPP water purification systems for industrial waste and process water application

  Removal of total spectrum of non-polar and polar hydrocarbons proven in practice: MPPE removes toxic, non-polar, non biodegradable compounds, aromatics, poly aromatics, halogenated, chlorinated, PCBs, THT (TetraHydroTiophene), Dioxins, CS2 etc. Folowed by biotreatment removing polar biodegradable compounds. Optional: UF and/or activated carbon filtration and RO for reuse as process or boiler feed water.

  By Veolia Water Technologies Techno Center Netherlands B.V. - MPP Systems based in Ede, NETHERLANDS.

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  Potable water treatment

  As a selective oxidizing agent, chlorine dioxide possesses several chemical advantages when compared to the traditional use of chlorine in wastewater treatment. Chlorine dioxide does not hydrolyze in water, and thus it retains its biocidal activity over a broader range of pH. It is also non reactive with ammonia and most nitrogen-containing compounds, and thus effective at lower dose levels than chlorine. It also eliminates phenols, simple cyanides and sulfides by oxidation. Likewise it is effective at odor...

  By Applied Oxidation LLC based in Chattanooga, TENNESSEE (USA).

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  Enhanced anaerobic biodegradation for the soil and groundwater industry

  Enhanced anaerobic biodegradation is the practice of adding hydrogen (an electron donor) to groundwater and/or soil to increase the number and vitality of indigenous microorganisms performing anaerobic bioremediation (reductive dechlorination) on any anaerobically degradable compound or chlorinated contaminant. The most commonly targeted chlorinated groundwater contaminants are primarily used in industry as degreasing agents and include: Perchloroethylene (PCE), Trichloroethylene (TCE), Dichloroethylen...

  By Regenesis based in San Clemente, CALIFORNIA (USA).

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  Water treatment

  As a selective oxidizing agent, chlorine dioxide possesses several chemical advantages when compared to the traditional use of chlorine in wastewater treatment. Chlorine dioxide does not hydrolyze in water, and thus it retains its biocidal activity over a broader range of pH. It is also non reactive with ammonia and most nitrogen-containing compounds, and thus effective at lower dose levels than chlorine. It also eliminates phenols, simple cyanides and sulfides by oxidation. Likewise it is effective at odor...

  By Applied Oxidation LLC based in Chattanooga, TENNESSEE (USA).

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  Water treatment for water distribution systems

  As a selective oxidizing agent, chlorine dioxide possesses several chemical advantages when compared to the traditional use of chlorine in wastewater treatment. Chlorine dioxide does not hydrolyze in water, and thus it retains its biocidal activity over a broader range of pH. It is also non reactive with ammonia and most nitrogen-containing compounds, and thus effective at lower dose levels than chlorine. It also eliminates phenols, simple cyanides and sulfides by oxidation. Likewise it is effective at odor...

  By Applied Oxidation LLC based in Chattanooga, TENNESSEE (USA).

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  Soil and Groundwater treatment solutions for bioremediation industry

  Today bioremediation is successfully used as soil– and groundwater remediation technology. Many bioremediation systems, both in-situ as ex-situ techniques, usually result in considerable cost savings. Since the beginning of the 1980’s both in-situ and ex-situ bioremediation projects have been successfully completed worldwide through the use of preselected and adapted bacteria. QM Environmental Services supplies a range of microbial, bioactivator and nutrient products and gas delivery systems for the use in both...

  By QM Environmental International B.V. based in The Hague, NETHERLANDS.

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  Water treatment for cooling towers

  Controlling and preventing the growth of microorganisms in a cooling tower is extremely important and required to keep the system running at optimal levels. The presence of microorganisms will cause the system to breakdown and decreases the efficiency of the heat transfer. Typically oxidizing biocides such as chlorine and bromine have been used to treat cooling water. Unfortunately these chemicals are highly reactive with other chemicals and microbiological species found in the water. Chlorine dioxide however...

  By Applied Oxidation LLC based in Chattanooga, TENNESSEE (USA).

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  Applications and Air Pollutants Removed in the Petroleum/Petrochemical Industry

  Scrubbing of Hydrogen sulfide, mercaptans and other organosulfur compounds from sour gas and other sources. Proprietary regenerative scrubbing chemistries for hydrogen sulfide removal with sulfur production. By-product production systems for producing sodium hydrosulfide (Nash) from hydrogen sulfide. Sulfur dioxide scrubbing. Recover catalyst dust from FCC units. HCL storage tank vent scrubbing. Removal of HCL and particulate from thermal oxidizers burning chlorinated plastics. Marine drilling platforms...

  By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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  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.

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  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).