Exhaust Treatment Articles

  • Case study - Biogas desulfurization and siloxanes abatement

    MCFC project by CETAGUA (Mataró – Spain) Reducing the carbon footprint of our society is imperative. This can be achieved by capturing and confining anthropogenic CO2 emissions as well as by replacing fossil-based fuels with renewable or waste-derived fuels. MCFCs (Molten Carbonate Fuel Cells) are unique in being able to do both these things. Thanks to their operating ...


    By Bioconservacion SA

  • High Rate Biological Odour Control Demonstration for Biosolids Exhausts

    Abstract Biorem has successfully demonstrated its high rate odour control system for biosolids exhausts at Ashbridges Bay sewage treatment plant in Toronto, Ontario. The demonstration used XLD™, a biofiltration media engineered specifically for biosolids odours. The system has achieved 95% odour removal in less than 20-s Empty Bed Residence Time (EBRT) despite high concentration of ...


    By Biorem Technologies Inc.

  • IRSST Studies Efficacy of N95 Respirators in Conditions Representative of Human Breathing

    On June 28, 2016, Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST) issued a press release announcing the availability of a study on “ ...


    By Bergeson & Campbell, P.C.

  • Advice from HVAC experts!

    HVAC systems (cooling and heating) can use 60-70% of the overall energy in your facility. Proper maintenance is one of the key recommendations for maintaining your system’s performance. To really help extend the life of your system, it could be something as simple as changing and cleaning the filters regularly. If you have a ...

  • Total Exhaust Biosafety Cabinet Upgrade at Research Facility Provides Significant Energy Savings

    When Harvard’s Biology Research Infrastructure (BRI) facility opened in 2006, they required four biological safety cabinets to provide primary containment during animal procedures. In the selection process, workspace containment and isolation requirements, operation modes for non-use periods and maintenance, building integration, and the energy burden to the building system were all ...


    By The Baker Company

  • Case study - ETO sterilizer abatement

    OVERVIEW Product sterilization companies are generally required to utilize a pollution control device for treatment of exhaust gases from their aeration room and sterilization chambers.  In the United States, they need to be in compliance with NESHAP (National Emission Standards for Hazardous Air Pollutants) regulations that dictate a 99% destruction efficiency of EtO (Ethylene ...

  • 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

  • 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

  • Black carbon emissions of individual cars measured under real conditions

    Measurements of individual vehicle emissions are usually made in laboratory tests. In this study, researchers followed cars driving in real conditions to measure emissions of air pollutants, including black carbon and nitrogen oxides. The study shows that diesel cars contribute disproportionately to air pollution, and highlights the value of on-road measurements. Vehicle traffic is a major source ...


    By European Commission

  • Case study - Engine test cell exhaust: RTO

    Overview A Mid-western outboard engine manufacturer bought a three year-old plant for the production of its marine engines. When finished, the engines are removed from the assembly line and run for quality control. The 25,000 SCFM of exhaust from testing contains volatile organic compounds (VOCs) that require regulatory compliance. Also within this exhaust is a great deal ...

  • Tenax extraction as a simple approach to improve environmental risk assessments

    It is well documented that using exhaustive chemical extractions is not an effective means of assessing exposure of hydrophobic organic compounds in sediments and that bioavailability‐based techniques are an improvement over traditional methods. One technique that has shown special promise as a method for assessing the bioavailability of hydrophobic organic compounds in sediment is the use of ...


    By John Wiley & Sons, Ltd.

  • Optimizing the Slaking Process

    Poorly-slaked lime can have a major negative impact on lime consumption and the operating cost at an end-user’s site. The amount of lime used in the process is determined by a combination of slaking parameters. The optimisation of the slaking process will help drive operating costs down and also reduce CO2 emissions.  When the slaking of lime (ie, the conversion to calcium hydroxide ...


    By STT Enviro Corp

  • EIS Safety First - Case Study

    EIS was invited by a UK company to provide a fully automated VOC / odour abatement system treating the exhausts from multiple processes and needing multiple safety systems.  The abatement plant would be part of the construction of a new factory based in Scotland, so the timing and installation of the system would be critical to the plant coming on stream at the planned date. The production ...

  • Plumbers & Pipe Fitters 853 case study

    Sprinkler & Fire Protection Training Facility The Problem Local Union 853- Sprinkler Fitters of Ontario called on DiversiTech to provide ventilation for their new Sprinkler and Fire Protection Trade Centre and Training Facility. The Solution Two guidelines were presented for consideration before unit selection was made. The school did not want to ...


    By DiversiTech

  • Combined bio-regeneration and ion-exchange system for perchlorate removal

    In order to prove that perchlorate-laden resins could be bio-regenerated through direct contact with perchlorate-reducing bacteria (PRB), a combined bio-regeneration and ion-exchange (IX) system was operated. Two kinds of perchlorate-laden resins, nitrate-selective A520E and perchlorate-selective A530E, were successfully regenerated by PRB cultivated under anaerobic conditions. The ...


    By IWA Publishing

  • Development of decision support system to select the best fuel blend in IC engines to enhance the energy efficiency

    This paper describes an application of hybrid MCDM technique for the selection of optimum blend in fish oil biodiesel among the six alternative fuel blends diesel, B20, B40, B60, B80 and B100 which is prepared by varying the amount of diesel with biodiesel. Brake thermal efficiency (BTE), exhaust gas temperature (EGT), oxides of nitrogen (NOx), smoke, hydrocarbon (HC), carbon ...


    By Inderscience Publishers

  • The experimental study of the effect of air conditioning system on internal noise within high speed train

    With the increasing requirement for the travelling comfort of high speed train, the reduction in interior noise becomes very important. Noise source identification is a prerequisite to the decrease in the interior noise. To study the effects of air conditioning system on the noise inside the high speed train, the comprehensive measurement of noise and vibration was made for different carriages of ...


    By Inderscience Publishers

  • Allweiler pumps in exhaust gas treatment systems in ships

    As environmental regulations become more stringent, waste gas treatment systems are growing in importance. H+H Umwelt- und Industrietechnik GmbH of central Germany has been using Allweiler progressing cavity pumps as a core component of these systems since 2003. The company has been manufacturing catalytic waste gas treatment systems since 1998. Originally they focused on applications in block ...


    By ALLWEILER GmbH

  • Unfriendly cellar

    A client who had purchased a home noticed mold growing on furniture stored in their cellar as well as a musty smell when ever they were in the cellar. Investigation: The home is a sixty year old house nicely maintained and very clean with new paint and floor finishes on the inside. The heating system is a gas fired forced hot water system. There is no air conditioning. Relative humidity ...


    By Healthy Air Cape Cod

  • Energy recovery from the Exhaust gases of a Cyclone preheater tower - case study

    FOREWORD Advanced Cyclone Systems, S.A. (ACS) designed and supplied a Hurricane cyclone system for Duna-Drava Kft cement plant in Beremend, Hungary, (a member of the HeidelbergCement Group, the global market leader in aggregates), as part of an energy recovery project. To maintain the quality of the ground Pet Coke within the specifications in terms of ash content, ACS was contacted with the ...

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