process gas scrubber Articles

  • Development and Application of Biological H2S Scrubbers for Treatment of Digester Gas

    ABSTRACTAs part of the California Energy Group (Former California Energy Commission) Public Interest Energy Research (PIER) Program, biological hydrogen sulfide (H2S) biogas cleaning was evaluated. The biological H2S scrubber uses bacteria to oxidize the sulfide to produce both elementary sulfur and sulfuric acid. This system was tested at the Inland Empire Utilities Agency’s Regional Plant 1 ...

  • Natural Gas Processing Case Study

    The Customer The Company is an exploration and production company that builds natural gas reserves through the acquisition and development of oil and gas assets across the U.S. They are one of the largest producers of natural gas in the Nation. The Process The Company uses multiple scrubbers to clean out the impurities of the natural gas that they ...

  • Dry Air Scrubber for Propylene Oxide

    Background For decades, Advanced Air Technologies, Inc. has been the leader in air scrubber  technology for abatement of Ethylene Oxide (EtO) emissions.   In fact, AAT, Inc. was founded in 1987 on a unique dry scrubbing, chemi-sorption process for EtO.  The result is a series of fixed bed “Safe-Cell II” dry scrubbers, consisting of the DR-490, DR-50, and ...

  • Food Processing: Tower Scrubber Reduces Pollutants Recovering Reusable Solvents Case Study

    FMC adapted a ‘good neighbor’ policy when it installed a specialized, countercurrent packed tower scrubber into its seaweed extraction process system. The tower recovers isopropyl alcohol from the company’s process, thereby reducing pollutant emissions at the Rockland, Maine facility. The unit rids of the need for additional pollution control instrumentation and eliminates ...


    By CR Clean Air Group, LLC

  • Textile Industry: Air Pollution Control Through Wet Scrubbers, High Energy Venturi Scrubbers, Packed Bed Scrubbers and Other Technologies

    Wet Scrubbers, High Energy Venturi Scrubbers, Packed Bed Scrubbers are an excellent solution for air pollution in the textile industry. The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well ...


    By CR Clean Air Group, LLC

  • 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

  • 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

  • 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

  • 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.

  • Pharmaceutical: Scrubber Eliminates Ethylene Oxide Case Study

    A contract sterilization service uses a single-stage scrubber to convert this hazardous gas to inert ethylene glycol. ETO Sterilization Inc. provides contract sterilization services for hundreds of northern New Jersey customers, concentrating on spices and herbs, cosmetic ingredients and medical supplies. Two of the largest ethylene oxide sterilization vessels in the world are in operation ...


    By CR Clean Air Group, LLC

  • Scrubber Removes Grease and Particulates from Air Exhaust

    Operating Issue A food-industry leader in Alabama operates several pork-sausage cookers that exhaust over 4,000 ACFM of moisture and pork grease. The operator installed Electrostatic Precipitators (ESPs) to treat the exhaust but these systems performed poorly and generated high maintenance and operating costs. Additionally, these systems were antiquated and required significant capital ...


    By Pollution Systems

  • Tri-NOx Multi-Chem Wet Scrubber. Case Study of Our NOx Scrubber in a Plastics Resin Plant.

    As part of a commitment to reduce airborne emissions – or even the threat of such emissions – the Mt. Vernon, IN plant of GE Plastics has installed a NOx scrubber. When such GE Plastics products as Ultem resins are produced, nitric acid is used, and emissions from this step are tightly controlled. But to address upset conditions, the company opted to install an emergency scrubber that can treat ...


    By Tri-Mer Corporation

  • 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.  ...


  • Pulp & Paper: Great Northern Uses Venturi Scrubbers Case Study

    The Great Northern Paper Co.’s mill in Millinocket, Maine, produces about 500,000 tpy of paper for telephone directories, magazines, almanacs, business forms, catalogs, and school workbooks. Pulp is produced in the form of chips, using the sulfite chemical process. The chips are cooked in a magnesium bisulfite solution in batch digesters at specific temperatures and pressure. When the ...


    By CR Clean Air Group, LLC

  • Medical Industry: Scrubber Eliminates Ethylene Oxide Case Study

    A contract sterilization service uses a single-stage scrubber to convert this hazardous gas to inert ethylene glycol: ETO Sterilization Inc. provides contract sterilization services for hundreds of northern New Jersey customers, concentrating on spices and herbs, cosmetic ingredients and medical supplies. Two of the largest ethylene oxide sterilization vessels in the world are in operation ...


    By CR Clean Air Group, LLC

  • Purification Of Industrial Gases: Chemical scrubber vs Physical Adsorption

    Gas purification using a chemical scrubber is a technology that has been applied successfully for decades for the purposes of eliminating contaminants in a gas flow. However, although it is a technique that is easy to design and quite flexible, it entails certain disadvantages and/or risks. In recent years there has been considerable interest in developing alternative ...


    By Bioconservacion SA

  • Casebook New Scrubber Technology reduces installation costs case study

    A100,0000-actual-cubic-feet-per-minute (acfm) RotaBed scrubber recently supplied to Tri-Gen Biopower for sulfur dioxide (S02) control at Gilman Paper, St. Mary's, Ga., saved the company an estimated $150,000 in installation costs-Installation of a heavier packed tower would have required extensive reinforcement of an existing steel support structure, said Ken Schifftner, product/district manager ...


    By Bionomic Industries Inc.

  • Automotive: Scrubber system removes HCL from Exhaust case study

    Although Indiana’s environmental protection agency has not yet added hydrochloric acid (HCl) standards to its Title 5 regulation of emissions sources, Allomatic Products Co., Sullivan, IN, was determined to erase HCI vapors from its plant discharge. In the mixed industrial/ residential neighborhood where its manufacturing plant is located, Allomatic wanted to be known as a good neighbor. ...


    By CR Clean Air Group, LLC

  • Food Processing: Odor Control in Edible Oil Processing

    Abstract: The problems with odor around a typical edible oil deodorizer are discussed in detail, and a three-step solution to eliminate these problems is presented. The three steps are a distillate recovery system which recovers most of the fatty acid in the deodorizer vapor discharge as a valuable byproduct, a closed loop barometric cooling water system which keeps the fatladen ...


    By CR Clean Air Group, LLC

  • Metals: Scrubber System Removes HCL from Exhaust Case Study

    Although Indiana’s environmental protection agency has not yet added hydrochloric acid (HCl) standards to its Title 5 regulation of emissions sources, Allomatic Products Co., Sullivan, IN, was determined to erase HCI vapors from its plant discharge. In the mixed industrial/ residential neighborhood where its manufacturing plant is located, Allomatic wanted to be known as a good neighbor. ...


    By CR Clean Air Group, LLC

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