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Scrubber Systems Applications

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    Carbon capture and storage (CCS) applications

    Carbon Capture and Storage (CCS) is an emerging method of reducing greenhouse gas (GHG) emissions of power plants. In a process called ‘scrubbing’, the carbon dioxide emissions can be absorbed into chemical solvents consisting of amines or carbonates. Scrubbing is a well-established method of carbon capture, with virtually every commercial CO2 capture plant in operation using this process. In the process, the first step is the removal of impurities from the flue gas, such as hydrocarbons and oxides of both nitrogen and sulfur (NOx and SOx). Next the purified gas is passed through an absorption column filled with the chemical scrubbing solvent. The solvent reacts with the carbon dioxide and selectively absorbs it from the gas stream. When CO2-rich solvent is heated, the carbon dioxide is released as a nearly pure gas.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Gas monitoring instruments and systems for semiconductor manufacturing

    In the semiconductor manufacturing industry, various perfluorinated compounds (PFCs) are used. The emissions of the PFC compounds into the ambient air are reduced by scrubbing of the exhaust gases from the process. In this process, the Gasmet™ FTIR Gas Analyzers can be used to measure the emissions into the atmosphere and also monitor the efficiency of the scrubbers. Typically monitored PFCs in the exhaust gas include carbon tetrafluoride CF4, trifluoromethane CHF3, and hexafluoroethane C2F6.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Wastewater treatment solutions for waste sector

    IDRAFLOT flotation units are technological solutions which allow the separation of the suspended solids from wastewater coming from gas scrubber blow down (high concentration of SS) but also for the separation of low density compounds (oil and fats) which can be present in the streams collected by collectors. IDRAFLOT units can be easily installed also within small footprint collection centres.

    By IDRAFLOT based in Zoppola, ITALY.

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    Air Pollution Control for Microelectronics

    ERG`s purpose-designed scrubbing systems are engineered to suit each application and client`s requirements. During the microelectronics boom years in the 1990s, ERG installed a variety of plants treating acid off-gases (HF, F2, HCl, Cl2, etc) with the capability to handle the sticky silanes formed from chlorosilane hydrolysis.

    By ERG (Air Pollution Control) Ltd based in Horsham, UNITED KINGDOM.

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    Marine monitoring solutions for the SO2/CO2/NOx monitoring

    Process control of a SO2 scrubber on a ship is a challenge due to wet and corrosive gases. In such environment, extractive gas sampling systems require high levels of maintenance in order to operate correctly. OPSIS monitoring system solves this by using an optical, non-contact, cross-duct technique. A light beam is sent across the duct or stack to be measured, and the captured light is sent through an optical fibre cable to an analyser. The analyser measures SO2, CO2 and NOx concentrations using UV and IR absorption, approved reference methods.

    By Opsis AB based in Furulund, SWEDEN.

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    Odor Control in Air Scrubbers

    By The Definitive Deodorant Company based in North Kansas City, MISSOURI (USA).

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    Scrubbing Systems for Chemical & Pharmaceutical Industries

    ERG`s purpose-designed scrubbing systems are engineered to suit each application and client`s requirements.

    By ERG (Air Pollution Control) Ltd based in Horsham, UNITED KINGDOM.

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    Raw-gas monitoring for scrubber optimizing

    The consumption of scrubbing material in a scrubber is related to the mass flow of acid gases. Hydrogen chloride (HCl) and sulphur dioxide (SO2) are the major acid gases in an incinerator. By measuring the mass flow of SO2 and HCl in the raw gas going into the scrubber, it is possible to calculate the required quantity of scrubbing material.

    By Opsis AB based in Furulund, SWEDEN.

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    Laser gas detection for process control

    Axetris laser gas detection OEM modules are used in a variety of process control applications: Agriculture, Industrial Process Control, Selective Catalytic Reduction.

    By Axetris Ag based in Kaegiswil, SWITZERLAND.

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    Demolition and Construction Projects

    Demolition and construction projects release a combination of dust and bio-contaminants which are irritating and potentially harmful. The dust generated during these projects must be contained and captured. Depending on the risk assessment, HEPA air scrubbers can be used to purify air at a work area or negative pressure containment. HEPA negative air machines can be used to prevent the spread of dust and other contaminates to the outside area. The air filtration equipment, pressure monitors, and purifiers for bio-contaminants are briefly described below with interactive links to more detailed information.

    By Omnitec Design, Inc. based in Mukilteo, WASHINGTON (USA).

  • Electrostatic Precipitator

    An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream.[1] In contrast to wet scrubbers which apply energy directly to the flowing fluid medium, an ESP applies energy only to the particulate matter being collected and therefore is very efficient in its consumption of energy (in the form of electricity).

    By MEVADHASHMA based in Coimbatore, INDIA.

  • Electrostatic Precipitator

    An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream.[1] In contrast to wet scrubbers which apply energy directly to the flowing fluid medium, an ESP applies energy only to the particulate matter being collected and therefore is very efficient in its consumption of energy (in the form of electricity).

    By MEVADHASHMA based in Coimbatore, INDIA.

  • Industrial dedusting

    The industrial dedusting field is very varied and branches out in numerous specialized branches. For a preliminary examination of the problem it is necessary to dispose of two series of data: characteristics of the system which emits the pollutants; nature of pollutants and their characteristics.

    By GGE srl based in Rio Saliceto, ITALY.

  • Electrostatic Precipitator

    An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream.[1] In contrast to wet scrubbers which apply energy directly to the flowing fluid medium, an ESP applies energy only to the particulate matter being collected and therefore is very efficient in its consumption of energy (in the form of electricity).

    By MEVADHASHMA based in Coimbatore, INDIA.

  • Electrostatic Precipitator

    An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream.[1] In contrast to wet scrubbers which apply energy directly to the flowing fluid medium, an ESP applies energy only to the particulate matter being collected and therefore is very efficient in its consumption of energy (in the form of electricity).

    By MEVADHASHMA based in Coimbatore, INDIA.

  • Applications and Air Pollutants Removed in Wastewater Treatment Operations

    Removing hydrogen sulfide, mercaptans and other organosulfur compounds from wastewater treatment plant odor causing processes and areas. Stripping of ammonia and other VOC compounds.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

  • Applications and Air Pollutants Removed in the Agricultural Industry

    Particulate and gaseous control on Bagasse and Biomass fueled boilers. Sugar scrubbing and recovery. Removal of sulfur dioxide and ethylene oxide from fruit and vegetable ripening and drying rooms.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

  • Air Pollution Removal Orthopedic appliances Industry

    Removal of acid gases and NOx from material surface treatments. Remove titanium dust from grinding, abrasive polishing and buffing operations. Emissions from high temperature furnaces.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

  • Applications and Air Pollutants Removed in the Petroleum/Petrochemical Industry

    Scrubbing of Hydrogen sulfide, mercaptans and other organosulfur compounds from sour gas and other sources. Proprietary regenerative scrubbing chemistries for hydrogen sulfide removal with sulfur production. By-product production systems for producing sodium hydrosulfide (Nash) from hydrogen sulfide. Sulfur dioxide scrubbing. Recover catalyst dust from FCC units. HCL storage tank vent scrubbing. Removal of HCL and particulate from thermal oxidizers burning chlorinated plastics. Marine drilling platforms sulfur dioxide thermal oxidizer emissions.  Asphalt plant scrubbers and hydrogen sulfide emissions from holding tanks. Pilot plant scrubber systems for hydrogen sulfide. Removal of halogenated and sulfur bearing gaseous compounds from high temperature thermal oxidizers and drilling platforms waste. Well drilling hydrochloric acid storage tanks.

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

  • Sulfide Oxidation with Hydrogen Peroxide (H2O2)

    Sulfide Odor Control Sulfide is found throughout the environment as a result of both natural and industrial processes. Most sulfide found in nature was produced biologically (under anaerobic conditions) and occurs as free hydrogen sulfide (H2S) - characterized by its rotten egg odor. We are most likely to encounter biogenic H2S in sour groundwaters, swamps and marshes, natural gas deposits, and sewage collection/treatment systems. Manmade sources of H2S typically occur as a result of natural materials containing sulfur (e.g., coal, gas and oil) being refined into industrial products. For a variety of reasons - aesthetics (odor control), health (toxicity), ecological (oxygen depletion in receiving waters), and economic (corrosion of equipment and infrastructure) - sulfide laden wastewaters must be handled carefully and remediated before they can be released to the environment. Typical discharge limits for sulfide are < 1 mg/L. Sulfide Treatment Alternatives There are dozens of alternatives for treating sulfide laden waters, ranging from simple air stripping (for the low levels present in groundwaters) to elaborate sulfur recovery plants (used to treat several tons per day at refineries and coal burning power plants). There are processes based on biology (using compost filters, scrubbing media, or inhibition/disinfection), chemistry (oxidation, precipitation, absorption, and combination), and physics (adsorption, volatilization, and incineration). Each process occupies a niche which is often defined by the scale and continuity of treatment, whether the sulfide is in solution or is a gas, the concentration of sulfide involved, and the disposition of the sulfide containing medium. However, for reasons relating to convenience and flexibility, chemical oxidation (using hydrogen peroxide) continues to grow in its scope of application. Treatment with Hydrogen Peroxide While other peroxygens such as permonosulfuric (Caro’s) acid, peracetic acid, and persulfates will oxidize sulfide, their use for this application is overkill. Hydrogen peroxide (H2O2) is considerably simpler and more cost-effective. H2O2 may control sulfides in two ways, depending on the application: Prevention - by providing dissolved oxygen which inhibits the septic conditions which lead to biological sulfide formation; and Destruction - by oxidizing sulfide to elemental sulfur or sulfate ion.

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

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