dry electrostatic precipitator Articles

  • Wet electrostatic precipitators: A preferred technology for emission control

    The basic science behind electrostatic precipitators is as familiar and as simple as static cling. But today, this elemental force has been harnessed to a technology that is helping to remove millions of tons of toxic chemicals from our atmosphere; saving billions of dollars annually in pollution-related physical damage; and averting costly impacts on health and mortality rates for millions of ...


    By Beltran Technologies, Inc.

  • Wet Electrostatic Precipitation Demonstrating Promise for Fine Particulate Control

    Editor’s Note: Part l of this two-part feature on wet electrostatic precipitation (wet ESPs) outlines the need for multi-pollutant air pollution control technologies, the basics of wet and dry electrostatic precipitation, the ability of wet and dry ESPs to treat fine particulate, and the use of wet ESP technology at Northern States Power Company’s Sherco Station. Part II will explore the key ...


  • Case study - Wet electrostatic precipitators offer cost-effective solution for HZL

    An array of complex air pollution issues places the metallurgical industry among the largest potential sources of pollutants, and one of the most tightly regulated industrial sectors. One fully integrated, nonferrous metal producer in India, however, is demonstrating that a company with a determined commitment to environmental protection, energy efficiency and sustainability can succeed in ...


    By Beltran Technologies, Inc.

  • Innovative wet electrostatic precipitators assure competitive edge in acid marketplace

    The unsteady global economic recovery continues to subject many core industries to persistent volatility in profits, prices, markets and capital investments. However, some analysts remain optimistic about the global international trade in sulfur in all forms, particularly sulfuric acid. This versatile mineral acid is both the world’s most widely used chemical, and the one with the highest ...


    By Beltran Technologies, Inc.

  • Precipitator Solves Dryer Problem

    Plum Creek Manufacturing, Columbia Falls, Montana, installed a PPC Industries electrostatic precipitator to solve a direct fired dryer dust plugging problem. The electrostatic precipitator was installed in a very congested area and the project had to be done so the dryer was off-line a minimal amount of time. Plum Creek personnel relocated existing equipment, poured concrete footings, ran all of ...

  • 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

  • Smelter gas cleaning one vessel from the quench to the drying tower

    Base metals such as zinc, lead and copper are all found in nature bound with sulphur as sulphite minerals: sphalerite (ZnS), galena (PbS), several copper minerals, silver (found as acanthite Ag2S), and, along with other precious metals. Processing of the metals invariably leads to sulphur dioxide (SO2) formation. Other metal processing, such as aluminum from bauxite ore [Al(OH)3] which contains ...


    By Kimre, Inc.

  • Controlling Stack Emissions in the Wood Products Industry

    Electrostatic precipitation has been a reliable technology since the early 1900's. Originally developed to abate serious smoke nuisances, the manufacturers of zinc, copper, and lead quickly found electric gas cleaning a cost efficient way to recover valuable product carried out of the stacks from furnace operations. Today electrostatic precipitators are found mainly on large power plants, cement ...


  • Controlling acid gas mists

    Gas cleaning New and strict pollution regulations in metallurgical plants worldwide are restricting particulate and acid gas emissions to extremely low levels. Because of that, sulphuric acid plants are being installed to remove and utilise S02 in gases resulting from the roasting of sulphide ores, smelting of ores, and burning or regeneration of spent acid or acid sludge from ...


    By Beltran Technologies, Inc.

  • Efficient cyclone systems for fine particle collection in the pharmaceutical industry

    The optimized design of gas cyclones is of particular relevance for the recovery of highly valuable products, such as in the production of active pharmaceutical ingredients (API) through drying systems such as Spray or Fluid Bed Drying (Shoyele et al., 2006). . Traditionally, these have been captured with reverse flow gas cyclones, but fine and low density particles remain difficult to capture ...

  • Innovative Dryer and Emission Control System at a Particleboard Installation

    In 1989, Bohemia Corporation installed a new primary drying system and also air pollution control equipment at their particleboard plant in Eugene, Oregon. The drying system was composed of a Westec America triple-pass rotary drum dryer fired by a Coen sanderdust burner. The primary and secondary particulate collectors installed were also of a Westec America design. The tertiary air pollution ...

  • Case study - Rockwood Pigments chooses Beltran System

    Rockwood Pigments, a global manufacturer of pigment products, has chosen a wet electrostatic precipitator (WESP) system engineered by Beltran Technologies, Inc.. to clean process gas streams before entering a sulfuric acid plant at its Easton, Pa., manufacturing facilities. Rockwood is the world's second laraest manufacturer of iron oxide and other inorganic color pigments used by paint and ...


    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.

  • 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.

  • Hurricane for PM Emission Reduction from Dryer off Gases on a Wood Pellet Production Line 8074 m3/h @ 110 ◦C - Case Study

    FOREWORD Advanced Cyclone Systems, S. A. (ACS) designed a settling chamber, followed by a Hurricane system with the double purpose of dust recovery and Particulate Matter (PM) emission reduction, from a sawdust rotary dryer in an industrial wood pellets production plant with 2 ton/h capacity (VIMASOL). High quality pellets are manufactured from sawdust coming from nearby ...

  • Case study - WESP technology provides durable solution for Brazil’s top zinc operation

    Forward-thinking metallurgical plant operators around the world constantly seek out more advanced exhaust gas recovery technologies, not only to meet increasingly strict environmental regulations, but also to achieve superior operating performance and to control maintenance and other costs in a competitive marketplace. One fully-integrated polymetal producer headquartered in Brazil has managed to ...


    By Beltran Technologies, Inc.

  • `Sensitivity of Condensable Particulate Matter Speciation on Predicted Visibility Impacts – Case Study,` presented at the NCASI West Coast Conference, September 2005

    Introduction This paper evaluates a realistic case study for an existing major emission source that is required to evaluate visibility impacts at a nearby federally-protected Class I area. The fictitious source is a 1960's era coal-fired electric generating unit (EGU) characterized as a pulverized coal-fired, dry bottom, wall-fired boiler equipped with PM and NOx controls (i.e., ...


    By Trinity Consultants

  • Sludge Incinerator RTO Upgrade with MLM-160-6®: $50,000+ Yearly Power Savings

    IntroductionThe city of Fitchburg, Massachusetts operates a multiple hearth incinerator that burns municipal sludge to minimize waste volumes. Although not universally used by municipalities in the United States, incineration is a widely accepted and used method of sludge disposal. The major benefit of incineration is a greatly reduced need for landfill space. An 85 - 95% volume reduction of ...


    By Lantec Products, Inc.

  • Practical Implementation of EN-14181in Particulate Monitoring - Case Study

    Introduction This case study summarises the results of implementing particulate monitoring according to EN-14181 in a municipal incinerator operated by SUA in Teesside, UK, with a ProScatter M type particulate instrument (Model PCME QAL 181). It also provides a comparison of results for monitoring the same stack with an ElectroDynamic particulate instrument (Model PCME QAL 991). This case ...


    By PCME Ltd

  • WESPS continue to deliver

    Compliance with the increasingly stringent air pollution regulations of recent years is not the only reason forwardthinking industry leaders are adopting more sophisticated gas cleaning and air pollution control strategies. The desire to achieve higher performance efficiencies, control costs in a competitive marketplace, and stay ahead of the regulatory compliance curve is another driver of ...


    By Beltran Technologies, Inc.

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