Gas Scrubbers Articles

  • Regenerative Thermal Oxidizer Installation #1211 - Case Study

    Pharmaceutical – Vacaville, CA A Pharmaceutical manufacturer replaces their pollution control with the help of Alliance Corporation. Application:  Pharmaceutical – Vacaville, CA Project: A 15,000 SCFM TRITON™ Regenerative Thermal Oxidizer constructed of AL-6XN®. Alliance handled controls for downstream acid gas scrubber ...


    By Alliance Corporation

  • Regenerative Thermal Oxidizer Installation #1625 - Case Study

    A Pharmaceutical Manufacturer Updates Pollution Control System in Huntsville, AL A Pharmaceutical manufacturer adds pollution control with the help of Alliance Corporation. Application: Pharmaceutical – Huntsville, AL Project: A 10,000 SCFM KRONUS Regenerative Thermal Oxidizer constructed of AL-6XN®. Alliance handled controls for ...


    By Alliance Corporation

  • Case study - Jämtlands Värme, Strömsund

    The boiler for Jämtlands Värme in Stromsund was built in 1987.  The old flue gas condenser, from another supplier, began leaking and needed to be replaced. Boiler: 10 MW Fuel: Bio fuels Condensor effect: 2 MW The boiler in Strömsund was built in 1987 and in 1994 it was equipped with a flue gas ...


    By Envibat AB

  • Coke Plant Scrubber Water Case Study

    Challenge For the production of coke, volatile constituents of the coal —including water, coal-gas, and coal-tar— are driven off by baking in an airless furnace at temperatures as high as 2.000 °C. The flue gas goes through an ammonia-based scrubbing process. The resulting scrubber water contain small coal-tar and other organic particles (1-250 micron) that cause scaling in ...


    By akvola Technologies

  • 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

  • The Chemical Aspect of NOx Scrubbing

    With the passage of the 1990 Clean Air Act Amendments, many chemical and metal industries and utility producers will now be required to further limit the amount of NOx (Nitrogen Oxides) produced. NOx is a precursor to ozone in the atmosphere, and is believed to be a major contributor to acidic deposition (acid rain). Formation of ozone: NOx is produced in a variety of ...


    By CR Clean Air Group, LLC

  • 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

  • Automotive: At Sandvik Coromant, Clean Air Group Scrubber Handle Emissions Emergencies case study

    Mr. Tahvanainen heads up a staff of eight maintenance personnel and a supervisor. He is a mechanical engineer with a background in power production and thermodynamics. Editorial Background: Sandvik Coromant of Fair Lawn, NJ is part of Sandvik’s tooling division. The overall Sandvik Corporation employs 35,000 in one hundred and thirty (130) countries. ...


    By CR Clean Air Group, LLC

  • Optimizing the Slaking Process

    Poorly-slaked lime can have a major negative impact on lime consumption and the operating cost at an end-user’s site. The amount of lime used in the process is determined by a combination of slaking parameters. The optimisation of the slaking process will help drive operating costs down and also reduce CO2 emissions.  When the slaking of lime (ie, the conversion to calcium hydroxide ...


    By STT Enviro Corp

  • Wet Dust Collectors: Options and Operations

    A wet dust collector comes in the choice of three variations and these are: gas/liquid contact, gas/liquid separation and gas humidification. The difference between the three is based on how the dust is collected and separated inside the system. A wet dust collector, also known as a wet scrubber, ...


    By ProVent, LLC

  • More to Scrubber Pumps than Meets the Eye

    One component, in particular, needs to be carefully selected to ensure safe and efficient sulphur removal. The time is now Shipowners are having to move fast to change fuel type to distillate fuel or LNG, or to install the exhaust gas cleaning systems (EGC systems) known as scrubbers. They’re reacting to new sulphur emission legislation set to come into force in designated ...


    By DESMI A/S

  • ReCyclone® EH: ZnO Reactor - ZnO Nanoparticles recovery - Case Study

    FOREWORD In 2009, ACS was approached by Innovnano, one important micro and nanoparticles of metal oxides manufacturer in Portugal to increase the yield of one manufacturing facility. Innovnano is a subsidiary of CUF, centenary in the chemical industry. CUF is the largest Portuguese chemical group, with production facilities in Portugal and Spain. ...

  • NOx Scrubbing Technology Breakthrough

    Pacific Rim Design and Development and Dupont are proud to introduce a technology breakthrough in the treatment and safe elimination of problematic nitric oxide (NO) and nitrogen dioxide (NO2 ).  There are six forms of nitrogen oxide (NOx); the drawings to the right show the two most problematic forms.  These two are of particular interest because they are identified as atmospheric ...


  • Adwest Technologies flameless retox rto oxidizers with acid gas scrubbers for cost effective voc & odor abatement

    Adwest Technologies, Inc. provides cost effective Flameless Regenerative Thermal Oxidizers (RTO) with acid gas scrubber systems for cost effective VOC and odor abatement from malodorous VOC processes including food processing, rendering, petfood, biopharma spray dryer, bakery oven, composites, foundry, biogas, sludge dryers and waste water treatment plants (WWTP) off gas applications.  ...


  • Heavy metals in wet scrubber residue from a medium–sized (32 MW) municipal district heating plant incinerating wood and peat in a fluidised bed boiler

    Due to the low total concentrations of heavy metals and extractable compounds, it is recommended that the wet scrubber residue be used as a construction agent instead of being disposed of in landfills. According to five–stage sequential extraction, the highest concentrations of most of the heavy metals occurred in the residual fraction (i.e., HF + HNO3 + HCl), which means that ...


    By Inderscience Publishers

  • Chlorine gas protection - Case Study

    Application As part of a scheme to bring safe drinking water to 1.5 million people in Omdurman City, part of Greater Khartoum, Biwater International was appointed by the Government of Sudan to undertake a major turnkey design and construction project. Chlorine is the conventional means of water disinfection, so Biwater brought in ERG to design and manufacture the emergency gas ...

  • Flux force condensation scrubbing

    Flux force condensation scrubbing technology is used to capture fine (submicron) particulate at extremely high efficiency. It is a preferred method when using wet scrubbing to collect and control dioxins from combustion sources. As an added benefit, through the use of condensation, the water vapor plume commonly associated with a wet scrubbing system can be effectively eliminated. The overall ...


    By Bionomic Industries Inc.

  • Multiple stage scrubbing and adsorption system for Incinerator exhaust at an industrial waste processing plant

    Challenge Monroe Environmental was called upon to purify a 20,000 CFM exhaust stream that was being discharged from an industrial waste incinerator at 2000° F. The pollutants that needed to be removed were: Fine Ash Particulate HCL Gas Mercury Dioxins The combination of soluble and solid pollutants, coupled with the ...

  • Hydrogen Sulfide Scrubber Systems in Hydrometallurgical Application

    Hydrogen Sulfide is a highly toxic and flammable gas. Being heavier than air, it tends to accumulate at the bottom of poorly ventilated spaces. Although very pungent at first, it quickly deadens the sense of smell, so potential victims may be unaware of its presence until it is too late. The lethal concentration for 50% of humans is 800ppm for 5 minutes of exposure. H2S is a by-product in many ...


    By Macrotek Inc.

  • Nitrification processes in scrubbing liquid of an exhaust air treatment system of a large-scale pig housing facility

    The use of multi-staged exhaust air treatment systems is an effective method of substantially reducing the emission of ammonia, dust particles and odorous substances. Wet filter walls are able to absorb large amounts of ammonia when scrubbing fluid containing sulphuric acid is used. In addition, due to their large surface areas and the permanent supply of oxygen and nutrients, wet filter walls ...


    By IWA Publishing

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