scrubber testing Articles

  • Particulate Venturi Scrubber System

    A precious metal refiner required the most advanced particulate scrubber to replace wet ESP for submicron particulate collection. Due to the very high gold prices, economic reasons were the driving force toward maximum removal efficiency. Macrotek was selected to design and install their ultra high efficiency flooded disc MVA scrubber. In addition to the high removal efficiency for submicron ...


    By Macrotek Inc.

  • Performance Test Results of the Macrotek Flooded Disc MVA Scrubber

    Fundamental design principals of the flooded disc scrubber - a variable throat orifice contactor are presented. Test data from the pilot demonstration unit and full scale operations on lime kiln, refining furnace, and incinerator applications are presented and compared. Conclusions are that performance on a given application is a function of pressure drop and particle size distribution. In ...


    By Macrotek Inc.

  • Chemical Industry: Wet Scrubber Passes Acid Anhydride Test Case Study

    A leading U.S. chemical company upgraded air pollution control of maleic anhydride fumes at one of its overseas plants by installing a venturi scrubber. Selection of the scrubber was based on a pilot study to determine the percentage recovery and the maximum solution concentration of maleic anhydride that could be achieved using a wet scrubber. One significant reason for pretesting the ...


    By CR Clean Air Group, LLC

  • 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 ...

  • 3k-tellerette packing-hclremoval-crossflow-scrubber-302

    A number of sources in the wastewater treatment process such as the headworks, aeration tanks, settling tanks and dewatering press can produce high-intensity odors from gaseous sulfide emissions. The most common sulfides arehydrogen sulfide (H2S) and methyl mercaptan (CH3SH.)The highlighted installation was for a major municipality in the southeast and utilizes our new high efficiency 3-K ...

  • 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

  • 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

  • Petro-Chemical Industry: Wet Scrubber Passes Acid Anhydride Test Case Study

    A leading U.S. chemical company upgraded air pollution control of maleic anhydride fumes at one of its overseas plants by installing a venturi scrubber. Selection of the scrubber was based on a pilot study to determine the percentage recovery and the maximum solution concentration of maleic anhydride that could be achieved using a wet scrubber. One significant reason for pretesting the ...


    By CR Clean Air Group, LLC

  • 3-K-Series Tellerette® Packing for HCl removal in a Crossflow Scrubber

    A number of sources in the wastewater treatment process such as the headworks, aeration tanks, settling tanks andd ewatering press can produce high-intensity odors fromgaseous sulfide emissions. The most common sulfides are hydrogen sulfide (H2S) and methyl mercaptan (CH3SH.)The highlighted installation was for a major municipalityin the southeast and utilizes our new high efficiency ...

  • Incineration Industry: Scrubber on Sludge Incinerator Reduces Atmospheric Emissions Case Study

    Aberdeen Sewage Treatment Plant in Aberdeen, Washington started up their new Electric Infrared Incinerator in May, 1981. The sewage sludge incinerator, product of Shirco, Inc., needed a pollution control device in order to meet state, local and federal requirements for atmospheric emissions, according to the emissions test on the unit performed January, 1982. Chosen was a Model 24×24- ...


    By CR Clean Air Group, LLC

  • 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 ...

  • 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.

  • Issue highlight: Air Effluent Control RotaBed Scrubber: One way to meet Cluster Rules in the bleach plant case study

    The so-called Cluster Rule promulgated by the US EPA at the end of 1997 seeks to legislate control of both air and water emissions under one, all-encompassing regulation. With proper design and application, Cluster Rule requirements can be met easily and economically on modern kraft bleaching sequences using fluidized bed gas scrubbing technology such as the Rotabed, a product of Bionomic ...


    By Bionomic Industries Inc.

  • 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

  • Breakthrough Nitrogen Oxides chemistry saves costly scrubber addition at ShinEtsu America case study

    By using an innovative chemistry to treat nitrogen oxides (NOx) emissions, silicon wafer manufacturer ShinEtsu America, Inc.. (SEH) avoided adding a costly new scrubber The scrubbing solution, a drop in replacement for sulfide chemistries, enables SEH to meet air and wafer emissions requirements and eliminate nuisance odors at its Vancouver. WA, facility. The unique scrubbing solution was ...


    By Bionomic Industries Inc.

  • Double Duty Scrubber for TDI Fumes A case-history description of a relatively uncomplicated but effective method for handling large runaway emissions of TDI and solvent vapors.

    NKI (B. V. Nederlandse Kleurstofindustrie, a subsidiary of Morton-Thiokol, Inc. U.S .A.), and one of the major industrial firms in the Netherlands, had a problem with extremely toxic TDI (toluene di-isocyanate) emissions from one of their processes . On a batch basis in different reactors, the largest being 6.5 m cubed(1717 U.S . gallons), a solution polymerization of TDI with polyols in a ...


    By CR Clean Air Group, LLC

  • Pilot-Scale Biofilter Test for Treating Zimpro Odors

    The thermal sludge conditioning process of U.S. Filter/Zimpro Corporation, Rothschild, Wisconsin (Zimpro process) is primarily used to improve dewatering characteristics of the waste sludge. The process entails a partial breakdown through oxidation and hydrolysis of complex, high molecular weight organic compounds, such as, proteins, fibers, carbohydrates, and fats. The partial breakdown of ...


    By PRD Tech, Inc.

  • Integrated maximum efficiency air pollution control system

    A major uranium refiner required an air pollution control system to control emissions from their hazardous incinerator. The presence of radioactive material demanded that outlet emissions approach non-detectable levels. Macrotek was contracted to design and supply the system. Advanced, cutting edge technology was used to design a system with the lowest possible emissions, which has been ...


    By Macrotek Inc.

  • Advancing Odor Control to New Levels Gurnee Sewage Treament Plant North Shore Sanitary District

    ABSTRACTThe North Shore Sanitary District (District) owns and operates a 24-mgd sewage treatment plant located in Gurnee, Illinois. Frequently, odors from the two-stage activated sludge plant’s solids handling facilities made their way into the adjacent residential neighborhood. A new two-stage odor control system for the plant’s solids handling facility was put on-line in October 1999. This ...

  • Glass Fiber Manufacturing

    Mat Glass Forming Lines. Applications where conventional equipment struggles to attain only marginal efficiency provides an opportunity for the Cloud Chamber Scrubber (CCS) to showcase its unique capabilities. Fiber optics manufacturing is a typical example. Follwing other successful applications in the glass industry, a pilot study to evaluate the performance of a Cloud Chamber Scrubber (CCS) ...


    By Tri-Mer Corporation

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