spray tower Articles

  • Desalination using spray tower and vapour compression refrigeration system

    A desalination system using a spray tower and Vapour Compression Refrigeration (VCR) system is proposed for obtaining fresh water from brackish water. In the spray tower, simultaneous heat and mass transfer take place between the brackish water and air, which results in the evaporation of the brackish water and humidification of the air. Fresh water is obtained from the humidified air by ...


    By Inderscience Publishers

  • Biofouling Control in Small Cooling Towers

    Why is biofouling control overlooked in small cooling towers? Biofouling control in small to medium cooling towers is overlooked. AMSA, Inc. has developed a simple technology that is easier to dose than more common liquid chemical ...


    By AMSA, Inc.

  • Numerical Simulation of Spray Pattern in a Liquid Flashing Column

    Spray columns and towers are fundamental in many industrial applications. Understanding the spray pattern in these dynamic environments is very important in the design of an overall spray system solution. Traditional laboratory physical experiments can be time-consuming, expensive, and sometimes impossible to complete. Computational fluid dynamics (CFD) modeling can be used effectively in this ...


    By Spraying Systems Co.

  • Direct contact heat transfer using No. 2 Type-K Tellerette® Tower Packing

    A customer with a sulfuric acid reclamation facility needed to cool a saturated air stream or closed loop process operation. The 10,000 CFM air stream at 165° F. had to be cooled to 110°F. The existing equipment was only able to achieve 125°F. Cooling liquid availability included a large quantity of processed water at 110°F and a smaller amount of city water at 55°F. Verantis recommended ...

  • G & G Orchards resolve their Cooling Tower Limescale problem - Case Study

    G&G Orchards in Yakima is the only Hispanic-owned packing house in Washington. Today, that operation includes some 800 acres of orchards, a packing house, and a controlled atmosphere cold storage facility. They also produce late season cherries in the most sought after varieties. They wished to remove and prevent limescale in their cooling tower and to reduce their use of chemicals. A P120 ...


    By Hydropath Technology Ltd.

  • Stochastic modeling approaches based on neural network and linear–nonlinear regression techniques for the determination of single droplet collection efficiency of countercurrent spray towers

    This paper presents a new mathematical model and a two-layer neural network approach to predict the single droplet collection efficiency (SDCE), η  d, of countercurrent spray towers. SDCE values were calculated using MATLAB® algorithm for 205 different artificial scenarios given in a large range of operating conditions. Theoretical results were compared with outputs obtained from a ...


    By Springer

  • CFD Analysis of Gas Cooling

    In many industrial processes, hot gas is cooled down due to the evaporation (boiling) of sprayed droplets. The effects of two different atomizer types, inner mixing air atomizing nozzles and flow back nozzles, on the cooling behavior inside a spray tower for a typical flue gas are discussed. The heat and mass transfer is computed using computational fluid dynamics (CFD). The interaction between ...


    By Spraying Systems Co.

  • Environmental impact assessment of a new thermal power plant Šoštanj Block 6 in highly complex terrain

    Slovenia is starting an important investment - Block 6 of the thermal power plant in Šoštanj located in the Velenje basin and characterised by very complex terrain. Air pollution examination as part of the environmental impact assessment is an interesting example of usage of the modern Lagrangian particle model Spray coupled with the diagnostic mass consistent wind field model ...


    By Inderscience Publishers

  • Pulp & Paper: Ammonia Emergency Plan calls on Packed Tower Case Study

    A few years ago Union Camp turned a corner. Management decided that advance planning would take the place of reacting after the fact to an emergency or regulatory agency demands. At Union Camp’s Dover, OH. facility, byproducts of the paper industry are converted into usable specialty chemicals for cosmetics, adhesives and other industries. Crystallization is a process used intensively ...


    By CR Clean Air Group, LLC

  • Mass flow measurement with SolidFlow 2.0 - Case Study

    Application In an opencast mine, brown coal with a very high content of wax is mined. From this coal, raw montan wax is obtained in different process steps. Therefore, the coal is crushed, dried and impinged with an environmentally friendly solvent to separate the wax from the coal. The acquired montan wax is transported into an evaporation system, where it evaporizes in several ...


    By ENVEA

  • Cogen plant produces distilled water for resale

    The Facility Panda Energy’s power plant located in Brandywine, Maryland is a cogeneration facility that produces electricity by using gas and steam turbines. The Problem The objective of Panda Energy was to achieve Qualified Facilities (QF) status at their Maryland location. To achieve this, they had to produce distilled water using the steam from ...

  • Dry/Wet Scrubbers for Clean Air Compliance

    Air-scrubbing venturis and towers may be the answer to clean air compliance for small- to medium-sized companies. Forthcoming requirements of the Clean Air Act Amendments of 1990 will inventory many more specific chemicals considered hazardous. From acetaldehyde to xylenes, the list regulated under the air taxies program includes 189 hazardous air pollutants (HAPs). That number may ...


    By CR Clean Air Group, LLC

  • Air pollution control for the fertilizer industry in the Middle East - Case Study

    Through our subsidiary company, APC Process Engineering, ERG has an impressive track record in the Middle East Fertilizer Production Industry. All our systems come with a performance guarantee backed by more than 30 years of experience successfully treating industrial air pollution around the world. ERG’s systems are used for treating silica, phosphate rock and scale dust, ammonia, hydrogen ...

  • Kimre Mist Eliminators in Sulfuric Acid Plants

    B-GON® Mist Eliminators are widely used in the gas cleaning and contact section of sulfuric acid plants. Metallurgical, Oleum Producing, Sulfur Burning, and Regeneration Plants rely on the mist eliminators in the drying towers, absorption towers, and many other units to protect the quality of the product acid, protect downstream equipment from corrosion, protect the catalysts, and ultimately ...


    By Kimre Inc.

  • Chemical Industry: Wet Scrubbing HCL & SiCl4 Fumes Case Study

    This two-stage scrubbing system utilizes a jet venturi scrubber in conjunction with a counter current packed tower including entrainment mist eliminator. It was designed to eliminate the HCl (hydrochloric acid) fumes generated when SiC14 (silicon tetrachloride) comes in contact with moisture during processing operations at a zirconium processing tank farm, and also the remaining small amount of ...


    By CR Clean Air Group, LLC

  • Hundreds of Options Facing Power Plants Purchasing New or Upgrading

    The wet calcium (lime and limestone) process is only one option for removing SO2. Dry systems, ammonium sulfate, seawater, amine and other processes are also alternatives. Assuming that the purchaser has decided to purchase a new or upgrade an existing wet calcium FGD system, he must then make hundreds of decisions about processes and components. These systems represent up to 15 percent of the ...


    By The McIlvaine Company

  • Legionnaires is an Air Quality Risk

    The recent Bronx, NY outbreak of Legionnaires infections is a grim reminder of the deadliness of this strain of pneumonia. Like many of the outbreaks, cooling towers caused this one. Twenty have been identified but the search is still going on. Over 120 people were infected and 12 have died. Tragically it affects the most vulnerable people–people with one or more immune system deficiencies. ...


    By ProMark Associates, Inc.

  • Boiler feedwater deaerators

    The thermophysical deaerator is by far the most applied technology when oxygen and carbon dioxide in Boiler Feed Water must be reduced to negligible concentrations Bono ARTES has inherited the experience in the design of Deaerators that started up within the BONO Group in 1959. The Boiler Feed Water, if in equilibrium with the atmosphere, may contain significant levels of corrosive gases, mainly ...

  • Refinery boiler FGD Pemex

    A large boiler company required a FGD system for two, 200,000 lbs/hr fuel oil boilers for a refinery in Mexico. Macrotek competed with major air pollution suppliers and succeeded to win the contract. The scope included two spray towers, all auxiliary components, pumping packages, a forced oxidation system, piping, and controls. In addition, integral stacks were included for the overall height of ...


    By Macrotek Inc.

  • Chemical Industry: Ammonia Emergency Plan Calls on Packed Tower to Scrub Released Chemicals Case Study

    A few years ago Union Camp turned a corner. Management decided that advance planning would take the place of reacting after the fact to an emergency or regulatory agency demands. At Union Camp’s Dover, OH. facility, byproducts of the paper industry are converted into usable specialty chemicals for cosmetics, adhesives and other industries. Crystallization is a process used intensively with ...


    By CR Clean Air Group, LLC

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