ventilation duct Articles

  • A new exhaust ventilation system design software

    By industries development, the amount of air contaminants that are released in workplace has grown increasingly. To reduce these contaminants, there are several methods that, one of which is control at source. Industrial ventilation is perhaps the most powerful tool available for environmental professionals to control workplace pollution. Exhaust ventilation can capture contaminants at source, ...


    By University of Tehran

  • Case study - Odor treatment in a ventilation shaft of a sewage tunnel

    Bioconservacion’s distributor for municipal biogas and odor applications in Turkey, Biotek Ltd, has recently won a tender for Izmir’s municipal authority IZSU to supply equipment and media for odor abatement coming from a ventilation shaft of a sewage tunnel. These shafts, also known as airshafts or vent shafts, are passages used in different applications such as mines ...


    By Bioconservacion SA

  • Odor control ventilation system, from corrosion composites, used in Owatonna waste water plant

    Application Spotlight Location: Owatonna Waste Water Plant, Minnesota Midwest Mechanical Solutions - Monoxivent Sales Representative Summary: Owatonna is a city in southern Minnesota with a population of approximately 25,000 located about an hour south of Minneapolis. Legend has it that Princess Owatonna, the sickly daughter of Chief Wabena of the Dakota ...


    By Monoxivent

  • Butterfield Business Park

    Design and installation of mechanical, electrical and public health services a new business village, this project was the first office development in the UK to incorporate a passive heating and cooling ventilation system utilising earth ...


    By Royal Imtech N.V

  • Cost Effective Corrosive Fume Exhaust System

    Background:Independent Sheet Metal, a northern New Jersey firm engaged in the fabrication and installation of sheet metal ductwork for heating, ventilation and air conditioning (HVAC) systems had a customer give them a tough assignment. A large pharmaceutical manufacturer requested a recommendation for a cost-effective corrosive fume exhaust system for their multiple scale organic building ...


    By FAB-TECH Incorporated

  • Ammonia Scrubbing Semiconductor Manufacturing 101

    Semiconductor chip manufacturing utilizes a variety of inorganic acids and ammonia solutions. Mixing of acid gases and ammonia in a ventilation system can result in a as phase reaction producing very fine particulate that is ifficult and expensive to remove. For this reason a large emiconductor foundry on the west coast decided topre-treat the exhaust from the ammonia sources prior o mixing with ...

  • The Application of Ultraviolet Germicidal Irradiation to Control Transmission of Airborne Disease: Bioterrorism Countermeasure

    Synopsis Bioterrorism is an area of increasing public health concern. The intent of this article is to review the air cleansing technologies available to protect building occupants from the intentional release of bioterror agents into congregate spaces (such as offices, schools, auditoriums, and transportation centers), as well as through outside air intakes and by way of recirculation air ...


    By E-CO

  • Building Science Issue (Attic)

    Client: Upscale Custom Home Builder  Location: Florida Gulf Coast  Completion: Sept thru Oct 2007  Corrections Cost: ~$25,000 Key Project Team: Timothy Toburen Indoor Environmental Technologies (IET) was retained by the builder to determine the cause of excessive sweating ...

  • Intellisenc Building Air Quality Controllers control CO2, CO, VOC, O3, Humidity and temerpature.

    The quality of the air we breathe indoor (Indoor Air Quality, IAQ) is typically defined by the air chemical or gas composition and particulates. The sensors available today for sensing the gas composition of IAQ have many features and options. There is a wide application base for IAQ sensing with the most common being the regulation of HVAC ventilation systems for lower energy cost. Using an IAQ ...


  • High Tech Research Centre - Case Study

    The UK’s new High Temperature Research Centre (HTRC) has been designed to provide the UK with world-leading R&D capabilities in investment casting – and to tackle the dust extraction and fume extraction challenges these processes involve, both today and in the future, Western Air Ducts has designed and installed a complete, intelligent LEV system. The showcase £60m ...


    By Inteliair Ltd

  • Cereform - case study

    As part of the global AB Maury Group, Cereform is providing a comprehensive range of technical bakery ingredients like dough conditioners and softeners, bread mixes and concentrates, soya flours, cake mixes and concentrates, donut mixes and concentrates and toppings, fillings and icings. During the production of these products they have various dust producing processes. One of the processes ...


    By Inteliair Ltd

  • Superinsulated Houses

    Superinsulated building is a method of energy-efficient construction that can be adapted to any structure, commercial or residential, in any climate. A superinsulated (SI) home can save 75% of the annual energy costs for heating and cooling compared to a standard home, and is also more comfortable and healthy for the occupants. SI houses can be of any design—Colonial, Victorian, Contemporary, ...


  • Inverness Terrace, Bayswater, Central London - Case Study

    This new built apartment block with 20 luxury flats in Bayswater was completed 2016. Better Planet was contracted to design, supply, install and commission all the under floor heating and MVHR (Mechanical Ventilation and Heat recovery). We were also contracted to install and commission 20 air source heat pumps providing heating and cooling through fan coil units. ...


    By Better Planet

  • Retrofit Intelligent Dust Extraction System

    Western Air Ducts Retrofits Intelligent LEV Solution at City of Oxford College The proffesionally equiped woodworking workshop at the Rycotewood Furniture Centre, at the City of Oxford College city centre campus, is a key resource for the many students of furniture design and ...


    By Inteliair Ltd

  • Welding Fumes and the effects of Manganese

    The potential risks of welding operations include the potential to breathe in metal fumes and toxic gases. Fume particles are formed from the vaporisation of molten metal that occurs during the process. These particles are very fine in size and may join together to form larger particles.. The biggest risk is exposure to the manganese contained in fumes that are given off during welding. ...


    By Shawcity Limited

  • Blower Door Pressure Testing, Unvented Attics and Florida Homes

    I recently traveled to theCaribbean on a building science investigation. A large multi-national corporation owns several homes there for local executives. These homes had been plagued with dampness and mold growth problems for several years.  After several attempts to correct these problems, IET was called in, as we had ...

  • Good intentions may result in bad health

    President Obama’s stimulus investments in home energy efficiency may have the unintended consequence of increasing future medical costs. The stimulus bill contains $1500 tax credits for homeowners who install energy efficient doors, windows, and/or insulation. Studies in both the United States and England have shown that these home upgrades can reduce air infiltration by 50% in older homes, and ...


    By Tox Free Inc.

  • Summarizing the fundamentals of fugitive emission tracking

    Fugitive emission tracking for a number of key industries is now a focus for the United States and a number of other countries. When a hazardous leak occurs it is important to identify and gauge the amount and type of substance emitted. Officials will gain a better understanding of the challenge posed by greenhouse gases, as they affect global warming. When an unexpected leak of a hazardous ...


    By Verisae

  • Bird Control – Serious Business for Hospitals

    For 26 years Frank Sorentino has managed the outside structures and grounds of the Beaumont Hospital 106 acre complex in Royal Oak, Michigan. The main campus sits on approx. 115 acres. Seventeen separate buildings occupy the site with the Main building just over 10 stories high. In addition 3 parking decks are also located around the facility, providing parking and enough nesting sites for more ...


    By Nixalite of America Inc.

  • 4 Signs Of Poor Indoor Air Quality To Watch For

    The quality of indoor air is something most of us take for granted. Unless there is something very specific and unusual going on around us, like heavy cleaning or maybe new construction, we don’t often think about whether or not there is anything wrong with the air we breathe as we go about our daily business. The truth is, though, that indoor air quality is often worse than ...


    By Camfil Ltd

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