chlorination chemical Applications

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Chlorinated hydrocarbons

by Chemisch Thermische Prozesstechnik GmbH / CTP Air Pollution Control     based in Graz, AUSTRIA

The hazardous chlorinated hydrocarbons are completely destroyed without residue. There is no generation of hazardous by-products, e.g. dioxins.

Chlorine Level Measure Meter

by Shaanxi Shengke Electronic Technology Co.,Ltd     based in xi'an , CHINA

External Liquid Level Gauge for Chlorine tank measure / no need drilling the tank. Non intrusive Measure range: 20M Power supply: DC 24V Accuracy: 0.1% Power: 10W Signal output: 4-20mA Communication Protocols: RS-485 HART MODBUS Environment temperature: -20-70 degree Liquid temperature: -50-100 degree Explosion proof class: ExdIICT6 Protection class: IP67 www.sx-sk.com Jilina Lee Skype: jilina1986 jilina@sx-sk.com Cell: 0086 15809274235 Sonar Technology, External liquid indicator uses the principle of sonar ranging collecting the sonar signal by the special probe fixed outer wall of the tank. Pioneering the Two-Wire System, Overcoming various technical dilemmas, two-wire system External liquid level indicator has been successfully developed. Easily Installation Trial run and Maintenance, No effect on production, No need clean the tank when installing, trial running and Maintaining. Auto-diagnosed and collation, Accuracy is 0.1%

Hazardous waste treatment solutions for chlorine industry

by econ industries GmbH     based in Starnberg, GERMANY

The mercury cell process is a formerly widely-used production technique for the production of chlorine and caustic soda. The liquid metal, mercury, acts as cathode (negative pole) in this process. In the past, the loss of mercury during the process (to air, soil and water) led to serious health and environmental problems. Therefore, most European chlorine producers have decided to phase out the mercury cell process by 2020. Nevertheless, even today, almost 6000 tons of mercury is used per year for chlorine production in Europe alone. As a result of this, yearly waste outputs contain around 1200 tons of mercury, which are stored on-site or sent off for disposal.

Chlorine dioxide treatment for rendering

by DuPont Chlorine Dioxide     based in North Kingstown,, RHODE ISLAND (USA)

Odor Control: Chlorine dioxide controls odors by destroying hydrogen sulfide through chemical oxidation.  Using an odor scrubber, chlorine dioxide solutions may be added directly to water containing the odorous compound for quick and cost-effective oxidations.

Oxidation Reduction Potential (ORP)/Redox

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

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.

Applications and Air Pollutants Removed in the Petroleum/Petrochemical Industry

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

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 sulfur dioxide thermal oxidizer emissions.  Asphalt plant scrubbers and hydrogen sulfide emissions from holding tanks. Pilot plant scrubber systems for hydrogen sulfide. Removal of halogenated and sulfur bearing gaseous compounds from high temperature thermal oxidizers and drilling platforms waste. Well drilling hydrochloric acid storage tanks.

Odor Scrubbers Applications with Hydrogen Peroxide

by USP Technologies     based in Atlanta, GEORGIA (US) (USA)

Hydrogen Peroxide as a Replacement for Sodium Hypochlorite Hydrogen peroxide may be used in both mist scrubbers and packed tower scrubbers as a replacement for sodium hypochlorite (bleach). Like bleach, the process involves two concurrent mechanisms: 1) absorption of the odors (H2S) into the alkaline scrubbing solution; and 2) oxidation of the absorbed sulfide in solution. Step 1: H2S + NaOH → NaSH + H2O Step 2: 4H2O2 + H2S → H2SO4 + 4H2O Typical dose ratios are 5 parts H2O2 per part H2S or, when used in place of bleach, one gallon 50% H2O2 for every 10 gallons of 15% sodium hypochlorite (NaOCl). This generally translates into a break-even cost scenario. Sufficient caustic soda (NaOH) is added to maintain a pH of 10.0 - 10.5 in the scrubbing solution. There is also in practice a process which uses H2O2 in series with bleach to scrub composting odors. This process relies on a series of three packed tower scrubbers: the first is a pH neutral water wash (to remove ammonia and amine odors); the second uses a conventional caustic/bleach solution in which the bleach is purposely overdosed (to oxidize the complex organic sulfur odors); and the third uses a caustic/H2O2 solution (to remove the unreacted chlorine vapors carried over from the second stage). H2O2 + HOCl → HCl + H2O + O2 Typical dose ratios are 0.5 parts H2O2 per part hypochlorite (OCl-), with sufficient caustic soda (NaOH) added to maintain a pH of 8.5 in the scrubbing solution.

Cyanide Treatment with Hydrogen Peroxide

by USP Technologies     based in Atlanta, GEORGIA (US) (USA)

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, create additional environmental problems. Consequently, there is a growing need for alternative, non-chlorine methods for destroying cyanides. Peroxygen compounds such as hydrogen peroxide, peroxymonosulfuric acid (1), and persulfates (1) are effective alternatives to alkaline chlorination for destroying free and complexed cyanides. The choice of peroxygen system depends on the reaction time available, the desired products (cyanate, or CO2 and NH3), the types of cyanides being treated (free, weak acid dissociable, or inert), and the system economics. Treatment with Hydrogen Peroxide While hydrogen peroxide will oxidize free cyanide, it is common to catalyze the reaction with a transition metal such as soluble copper, vanadium, tungsten or silver in concentrations of 5 to 50 mg/L (2).

Dosing Pumps For Water And Wastewater Treatment.

by Verderflex Peristaltic Pumps - part of the Verder Group     based in Castleford, UNITED KINGDOM

Peristaltic pumps are proven performers in water and waste treatment solving problems including: Dosing and metering treatment chemicals and reagents including ferric chloride (“Ferric”), sodium hypochlorite (“Hypo”), chlorine water, lime (Kalic or Kalkmilch), caustic soda, powder activated carbon and polymers, Sludge transfer, Filter press feeds.

Dosing pumps for water and wastewater treatment industry

by Verderflex Peristaltic Pumps - part of the Verder Group     based in Castleford, UNITED KINGDOM

Peristaltic pumps are proven performers in water and waste treatment solving problems including: Dosing and metering treatment chemicals and reagents including ferric chloride (“Ferric”), sodium hypochlorite (“Hypo”), chlorine water, lime (Kalic or Kalkmilch), caustic soda, powder activated carbon and polymers. Sludge transfer. Filter press feeds

Ultraviolet Disinfection for Process Water

by atg UV Technology     based in Wigan, UNITED KINGDOM

Water is often used as a product, or as part of the manufacturing process. In many industrial applications, processes are chemical (chlorine) intolerant, and UV is widely adopted. atg UV Technology engineers will be pleased to discuss solving disinfection problems with you. As well as a powerful disinfectant, UV is used to remove chlorine, chloramines, ozone, bromine, and a wide variety of contaminants from industrial process water. Within micro-electronics facilities for example, UV is used to remove Total Organic Carbon (TOC) from ultra pure rinse water.

Ozone generators for swimming pools & spas application

by Absolute Systems Inc.     based in Edmonton, ALBERTA (CANADA)

Ozone is a very effective alternative to chlorine and other chemicals as a disinfection agent in swimming pools. Ozone can safely prevent the formation of chlorine byproducts, such as chloramines and trihalomethanes which are potentially carcinogenic.

Industrial wastewater treatment for industries

by MIOX Corporation     based in Albuquerque, NEW MEXICO (USA)

MIOX is the lowest cost supplier of chlorine for disinfection and oxidation of wastewater prior to discharge. Mixed Oxidant Solution (MOS) chemistry is more effective at biofilm control, Biochemical and Chemical oxygen demand removal (BOD/COD), breakpoint chlorination of ammonia and hydrogen sulfide (H2S) removal.

Algae control

by Geomembrane Technologies Inc. (GTI)     based in Fredericton, NEW BRUNSWICK (CANADA)

Excessive algae growth can throw even the best water treatment processes out of balance. Algae can clog intake screens, fluctuate pH levels, increase chlorine demand, and negatively affect the taste and smell of water. By blocking sunlight within water treatment tanks, you can stop algae growth, reduce chemical usage, and minimize the formation of disinfectant by-products (DBPs). Temperature is better controlled and maintenance associated with algae cleaning is simplified. The results? Better water treatment and lower operating costs.

Gas Detection Solutions for Hydrogen Fluoride (HF) Safety

by Boreal Laser Inc.     based in Edmonton, ALBERTA (CANADA)

Hydrogen Fluoride (HF) is a very useful chemical used in a variety of industries. However, HF is highly toxic with potential fatal consequences with exposure to humans, so facilities that make or use HF should exercise great care. Nevertheless, there is always the risk of leaks from process elements such as valves, pump seals and storage vessels. Tanker loading, transporting and unloading operations also provide opportunity for HF releases. Industrial processes that make or use HF typically have arrays of point sensors distributed throughout the unit. However, these sensors are maintenance intensive and have relatively slow response times. In addition, a point sensor will not detect an HF release unless it is located directly in the area of that release. Electrochemical HF sensors also respond to chlorine, ammonia, and sulfur dioxide, resulting in false alarms.

Lubricating oils for oil & gas industry

by Oxford Instruments plc     based in Abingdon, UNITED KINGDOM

Lubricating oils contain chemical additives that give the oil a greater in-service life. These additives contain a range of elements such as Calcium, Zinc, Phosphorus, Magnesium, Chlorine, Molybdenum etc whose concentration need to be measured as part of a quality control/assurance system to demonstrate conformance to specification.

Water treatment for food processing

by Applied Oxidation LLC     based in Chattanooga, TENNESSEE (USA)

Most food processing facilities currently use a combination of different chemicals for all surface and machine disinfection. They periodically rotate the use of different sanitizers to prevent the harmful microorganisms from building a resistance to their killing properties. Unfortunately facilities are still experiencing pathogen outbreaks. Chlorine dioxide’s unique killing ability does not allow for the build up of resistance or mutation, and therefore eliminates the need for all of the other chemicals. Chlorine dioxide is effective for use in controlling microbiological growth in flume waters and other food processing water systems such as chill water systems and hydrocoolers.

Secondary disinfection treatment for commercial & institutional

by MIOX Corporation     based in Albuquerque, NEW MEXICO (USA)

Waterborne illness from microbial growth in water distribution systems is a real threat to water safety. MIOX’s patented Mixed Oxidant Solution (MOS) chemistry for secondary disinfection can help eradicate biofilm that can harbor Legionella and other microorganisms without the use of Chlorine Dioxide. MIOX generators improve workplace safety by eliminating the handling and storage of hazardous chemicals while maintaining steady disinfection residuals.

Waste gas treatment for the TFT industry

by DAS Environmental Expert GmbH     based in Dresden, GERMANY

Manufacturing TFT/LCD displays requires waste gas treatment as well. Processes that produce large scale Thinfilm Transistors (TFT) on glass substrates, for instance, use Chemical Vapour Deposition – CVD – to separate the thin films onto the material. The process requires cleaning the process chamber periodically and usually employs etching with NF3. Etching of the separated thin films typically utilises CF4, SF6 and chlorinated gases, which release large amounts of waste gas mixtures.

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