Scrubber Systems Articles

  • 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

  • Case study - Primary settling tanks covering to prevent odors emission

    Primary settling tanks covering to prevent odors emission at the Cambrils Waste Water Treatment Plant The Catalan Water Agency (ACA) commissioned a project aiming to minimize odor emission from a Wastewater Treatment Plant (WWTP) located in Cambrils (Tarragona) that suffered from bothersome smells coming from the primary settling tanks. Occasionally, ...


    By Bioconservacion SA

  • Case study - WESPs: Securing a cleaner future for power-generating facilities

    This article explains why wet electrostatic precipitators remain a viable technology for dealing with today's increasingly stringent compliance issues. Despite recent, recession-related volatility in both power generation and consumption, industry analysts expect a resumption of long-term growth trends as continued global demand for energy — in both developed and developing nations ...


    By Beltran Technologies, Inc.

  • Advanced WESP designs assure superior gas cleaning performance

    Nowadays, many industries are facing formidable environmental challenges and there is a growing need for effective, economical gas cleaning and air pollution control equipment. Michael Beltran of Beltran Technologies, Inc. reports on a renewed interest in high-efficiency wet electrostatic precipitators (WESPs) and discusses their importance for controlling sulphuric acid mists and other ...


    By Beltran Technologies, Inc.

  • Case study - AngloGold Ashanti chooses Beltran WESP

    AngloGold Ashanti Brasil Mineracao is a leading producer of gold in the world. AngloGold was working on production plans for the Cuiaba Gold Mining Expansion Project located at Nova Lima, Minas Gerasis. The plant's production capacity is projected to be equivalent to 400 metric tons of sulfuric acid per day. The Promon Company worked on the design, procurement, construction and assembly services ...


    By Beltran Technologies, Inc.

  • Power Case Study - PECO Energy

    Smart Elbow® prevents magnesium oxide leakage at coal-fired generating plant As featured on Today's Environment on the Discovery Channel, and in the September '95 issue of Powder & Bulk Engineering. Subject PECO Energy Company's Eddystone Generating Plant, Philadelphia, PA area Situation In order to ...


    By HammerTek Corporation

  • Prepare now for the carbon tax bill or face hefty fines

    To avoid massive financial penalties, South Africa-based industries need to immediately prepare for the implementation of the Carbon Tax Bill, warns Roger Rusch, CEO of IWC (Industrial Water Cooling). In November 2015, the National Treasury published the Draft Carbon Tax Bill for public comment. Once implemented, the Bill will penalise companies with excessive Green House Gas (GHG) ...

  • Case study - Reactor vent emission control

    OVERVIEW Many chemical and petroleum companies use batch reactors to make their products.  These reactors typically have vents which are opened and closed during emptying, filling, mixing, heating or cooling and other steps of the production process.  The gases coming from these vents must be controlled under most government regulations.  Generally speaking, the ...

  • Catalytic reduction of nitrate in secondary effluent of wastewater treatment plants by Fe0 and Pd–Cu/γ–Al2O3

    Total nitrogen, in which NO3− is dominant in the effluent of most wastewater treatment plants, cannot meet the requirements of the Chinese wastewater discharge standard (<15 mg/L), making nitrate (NO3−) elimination attract considerable attention. In this study, reductant iron (Fe0) and γ–Al2O3 supported palladium–copper bimetallic ...


    By IWA Publishing

  • 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

  • Packed Cyclone Separator Removes Dust Particles While Recycling Process Liquids; New Solutions to Plant Problems

    Problem: The Monomeros Colombo Venezolanos plant in Barranquilla, Colombia, jointly operated by the South American countries of Colombia and Venezuela, produces caprolactam for the textile industry and various chemical fertilizers for agricultural use. Recently agricultural plant capabilities were increased with the addition of process units to improve the production and quality ...


    By CR Clean Air Group, LLC

  • Fertilizer Industry: New Fertilizer Plant Eliminates Toxic Fumes with Special Scrubbers Case Study

    Effective control of toxic emissions from fertilizer plants, has been demonstrated in the South American countries of Colombia and Venezuela. A jointly operated process plant in Monomeros Colombo Venezolanos, produces caprolactam for the textile industry and various chemical fertilizers for agricultural use. Agricultural plant capabilities were recently increased with the addition of process ...


    By CR Clean Air Group, LLC

  • Power Industry: Noxious Fumes at TVA Handled by Scrubber Case Study

    To keep the work area free of noxious fumes and reduce atmosphere pollution, T.V.A. Wilson Dam uses a 36″ diameter Clean Air Group fume scrubber to handle 12,500 cfm of gas @ 150°F in their high-analysis super phosphate operations. Manufacturing high analysis super phosphate fertilizer at the TVA Wilson Dam operation creates noxious fumes. Most of these fumes are liberated during the ...


    By CR Clean Air Group, LLC

  • 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

  • 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

  • Electronics Industry: Silicon Tetrachloride Fume Problem Solved Electronics industry Two-Stage Scrubber system Solves Fume Proble case study

    A two-stage Jet-Venturi scrubber/packed tower system solved a number of pollution problems for an Albany, Oregon, company. The Zirconium Extraction Div. of Teledyne Wah Chang produces high-quality reactor-grade zirconium and hafnium ozide using a chemical separation process. The zirconium and the hafnium are chlorinated and then formed into pure metals for the nuclear and chemical process ...


    By CR Clean Air Group, LLC

  • 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

  • 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

  • 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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