Cooling Towers Applications

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  • Subcategory: Cooling Towers ×

Cooling Towers and Process Water System Cleaning Applications Using Hydrogen Peroxide

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

The unique properties of hydrogen peroxide (H2O2) make it a good technology for keeping cooling loops, process water loops and heat exchangers clean from fouling that can occur due to various contaminants in the water. Hydrogen peroxide works well in removing organic fouling on surfaces through mechanical means and in specific applications through biocidal mechanisms. Hydrogen peroxide can be used in a shock treatment mode where it is fed based on a timer set-up. It can also be used occasionally at higher concentrations for maintenance cleaning purposes of fouled heat exchangers, cooling water loops and process water loops. Performing an occasional shock cleaning of a heat exchanger with hydrogen peroxide can remove buildup from surfaces and can result in improved heat transfer efficiency. By removing surface fouling, hydrogen peroxide may also improve the efficiency of other biocides such as bleach, bromine and non-oxidizers.

Ozone generators for industrial application

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

Disinfection of industrial and chemical freshwater, process water and cooling water. Disinfection, detoxification, decolouration and deoderization of industrial wastewater and improvement of its biodegradability. Oxidation of industrial off gasses. Chemical Oxidation.

Cooling tower water treatment

by Aquatech International Corporation     based in Canonsburg, PENNSYLVANIA (USA)

The fresh water requirement for a cooling tower in a typical coal-based power plant is approximately 80% of the total consumption of water. These concentrated cooling water blowdown streams are extremely rich in silica, are characterized by higher hardness levels and include other organic loads. Aquatech has vast experience in recycle/reuse solutions for cooling tower blowdown and cooling tower water treatment. 

Industrial and commercial water filtration for heating / cooling systems

by Hydro-Gen Engineering Ltd     based in Widnes, UNITED KINGDOM

Heating or cooling systems, conventional or alternative, involve water. Over time that water picks up particles which in extreme cases can silt up entire heating systems, requiring expensive maintenance, repair or even replacement. A build-up of solids no thicker than a human hair inside pipework can reduce heat transfer by up to 30%, drastically reducing efficiency and increasing energy consumption.

DOCUPAK LLC REDUCES COOLING TOWER CHEMICAL USAGE BY A THIRD

by Scalewatcher North America Inc.     based in Oxford, PENNSYLVANIA (USA)

Docupak LLC, a full service marketing company headquartered in Alabaster, Alabama, has reduced chemical usage by a third and removed all scale from its cooling tower at its plant after installing the patented, award-winning Scalewatcher computerized, electronic water-conditioner from Scalewatcher North America. In addition there are no longer signs of algae growth on the cooling tower louvres. Founded in 1998, Docupak, the operating name of Document and Packaging Brokers Inc., develops and distributes materials for businesses nationwide. In addition to its headquarters in Alabaster, Alabama, the company also operates a further plant in Alexandria, VA and has sales offices in Atlanta, Chicago, Cincinnati, Dallas, Los Angeles, Tampa and Washington, D.C. Aware that health agencies continually draw attention to the risks of limescale and algae in cooling towers and wanting to reduce the use of chemicals in the cooling tower, Plant Manager, Anthony Kinstley decided to install the Scalewatcher electornic water-conditioner through local dealer, Al Chatham of Water Processing and Well Supply in Harpersville, Alabama. An industrial Scalewatcher was installed on to the water-feed line to the building and then a further unit was specifically fitted on to the recirculation line of the cooling tower. “Since using the system the scaling on our cooling tower has been eliminated and we currently use only a third of the original chemicals intended for the water treatment within our system”, said Anthony Kinstley. Many air conditioning and refrigeration plant systems are water-cooled. The heat generated by cooling coils is removed by water, which is passed through a water-cooling tower. These are recirculating systems, which operate at temperatures ideal for bacterial and algae growth, and have plentiful supplies of nutrients. In cooling towers, temperature, water hardness, pH, scale and corrosion are all factors, which increase the chance of biofilms, algae and Legionella colonization. The environmentally friendly Scalewatcher provides a permanent solution to hard water problems without the need of chemicals, salt or maintenance. It works by producing a varying electronically applied force field, induced by a coil wrapped around the outside of the pipework, which keeps the minerals in suspension and thus prevents limescale forming. The water’s increased solubility enables it to dissolve existing scale, which is gradually washed away. “Scalewatcher has proven itself to be highly effective. I would highly recommend this product and service without limitation,” concluded Antony Kinstley. Scalewatcher models are based on continuous research and over 25 years experience and expertise as market leaders in electronic scale control with countless units sold worldwide. The patented Scalewatcher systems are capable of treating pipe sizes from one to 120 inches. All Scalewatcher systems come with a full performance guarantee and are shipped throughout North America.

Water Disinfection for Food and Beverage Water Treatment

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

MIOX provides advanced chemical solutions to the food, beverage and farming industries for all water treatment applications including source water treatment, surface or groundwater, process water treatment, cooling towers on the facility, bottle and surface disinfection, and clean in place (CIP) for syrups and raw sugars. Our team designs custom solutions to deliver safe, effective, and economically attractive alternatives to minimize or eliminate the use of expensive and hazardous delivered chemicals.

Boiler Water Testing / Cooling Tower Water Testing

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

Boilers and cooling towers share two major water related problems: deposits and corrosion. As steam is generated by a boiler or water evaporating from a cooling tower, dissolved minerals are left behind, increasing the concentration of these minerals. Additional minerals are introduced via the water added to makeup the water lost to steam/evaporation. Eventually, the minerals reach a level (or cycle) of concentration that will cause either loss of efficiency due to scale or damage from corrosion. This level can be determined by the Ryznar or Langlier indices and correlated to a conductivity or TDS range. Most people recognize problems associated with corrosion. Effects from scale deposits, however, are equally important. For example, as little as 1/8` of scale can reduce the efficiency of a boiler by 18% or a cooling tower heat exchanger by 40%!

Cooling Water Treatment

by ProMinent Group - ProMinent GmbH     based in Heidelberg, GERMANY

Efficiency is everything in the cooling water circuit. Everything at ProMinent revolves around the perfect cooling water circuit, which needs to experience few losses over its long life. The precise metering of inhibitors and biocides and suitable filters make this possible.

Cooling & Drinkingwater: ATP monitoring of biomass growth in waters

by microLAN On-line Biomonitoring Systems     based in Waalwijk, NETHERLANDS

Monitoring Biomass in (Cooling Tower) Waters through ATP monitoring

The TOXcontrol can be used for ATP monitoring. Currently our company is doing research for further developments for this application on the TOXcontrol.

Monitoring the microbial population of cooling towers is necessary in order to maintain the proper operation of the system. Conventional methods for monitoring microbial populations work by culturing microorganisms, a time-consuming procedure that requires days or even weeks of incubation before the results are known. Biofouling can be well-advanced before treatment begins. In addition, it is believed that this technique does not detect the full range of microbial life present in cooling systems.

Water Disinfection for Industrial Water Treatment

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

MIOX’s patented Mixed Oxidant Solution (MOS) or Hypochlorite (HYPO)chemistries for cooling tower and cooling loop water disinfection improves safety, lowers general corrosion rates, increases performance, and saves money. The unique qualities of MOS lowers corrosion rates by 80% in copper and 50% in steel, resulting in a reduction of downtime, maintenance, and expense. Additionally, MIOX generators improve workplace safety by eliminating the handling and storage of hazardous chemicals while maintaining steady disinfection residuals.

Water treatment for cooling towers

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

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 is very non-reactive to other compounds found in the water and retains biocidal efficacy. Likewise it is also a superior chemical for removing the biofilm, which leads to the most predominant problems that all cooling towers face.

Emission control & air dedusting for steel and ferrous alloys

by Advanced Cyclone Systems, S. A.     based in Porto, PORTUGAL

teel and ferrous alloys production happens in industrial manufacturing processes which involve high temperature exhaust streams, often at more than 900 ºC. Typically, the gas flows into a gas conditioning tower to cool down to approximately 200 ºC, before entering into an ESP. These flue gases from steel or ferrous alloys kilns are also very maintenance demanding for bag filters and the very small size of the particles limit the use of usual dedusters such as regular cyclones and multicyclones as pre-separators. Bag filter failure is consequently a very common problem for clients in this industry. 

Client`s needs include a very robust dedusting system, either serving as end-stage collector avoiding the need to cool down flue gases, or strongly minimizing the loads of aggressive material to bag filters. 

Applications and Air Pollutants Removed in the Biomass Industry

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

Flue gas particulate and acid gases from biomass and bagasse boilers. Removal of ethanol, CO2 scrubbers and yeast cells from fermenters.  Removal of ash particulate, tars, acid gases and ammonia from steam reformers, gasifiers, pyrolosis units and cooling of syngas streams to acceptable limits to enable use as a fuel source for power generation or as a feedstock for chemical products. For tar removal, combination technologies can be used including oil based scrubbing solutions to reduce waste water generation. Ethanol and yeast cell removal from fermenter off-gases. Methanol from processing operations. Hydrogen sulfide removal on landfill, digester and producer gases with regenerable chemistries. Odor control for biomass storage facilities including carbon monoxide removal in wood chip storage areas. 

Reduce biofilm formation

by LG Sonic     based in Zoetermeer, NETHERLANDS

In many industrial or professional applications where water is being stored, biofilm may grow. The growth of biofilm can damage the installations and reduce efficiency of the circuit. A biofilm can grow certain substrates which can be found in water. When temperatures are high, for example in cooling towers, a matrix of different micro- organisms such as bacteria, fungi, algae can grow very rapidly causing the formation of a biofilm on certain surfaces submerge in water. During the formation of this biofilm, certain micro organisms starts producing extra cellular polymeric substances (EPS) which reinforce the biofilm structure.

Cooling Tower, algae and biofilm control

by LG Sonic     based in Zoetermeer, NETHERLANDS

“Efficiently lowers algae, biofilm formation, bacterial counts and chemical consumption.” When temperatures are high, for example in cooling towers, a matrix of different microorganisms such as bacteria, fungi, EPS and algae can grow very rapidly. The disadvantages of biofilm formation in cooling towers can be enormous. Therefore water used in cooling towers needs frequent treatment and chemical shocks to keep levels of micro-organisms to a minimum.

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