air filter housing Articles

  • Safe House?

    A client who had lived in her house for more than ten years was concerned that her son who suffers from certain inflammation problems might be affected by poor air quality. Investigation: The home is a well maintained twenty year old two story house with a forced hot air heating system with same duct central air. The HVAC system incorporated a merv 6 air filter with an ultra violet ...


    By Healthy Air Cape Cod

  • Nitrification processes in scrubbing liquid of an exhaust air treatment system of a large-scale pig housing facility

    The use of multi-staged exhaust air treatment systems is an effective method of substantially reducing the emission of ammonia, dust particles and odorous substances. Wet filter walls are able to absorb large amounts of ammonia when scrubbing fluid containing sulphuric acid is used. In addition, due to their large surface areas and the permanent supply of oxygen and nutrients, wet filter walls ...


    By IWA Publishing

  • Characterization of microbial communities in exhaust air treatment systems of large-scale pig housing facilities

    Exhaust air treatment has gained importance as an essential factor in intensive livestock areas due to the rising emissions in the environment. Wet filter walls of multi-stage exhaust air treatment systems precipitate gaseous ammonia and dust particles from exhaust air in washing water. Microbial communities in the biomass developed in the washing water of five large-scale exhaust air treatment ...


    By IWA Publishing

  • Minimising Risks to Air Quality and Regulatory Compliance With Total Filter Management

    It has been shown in recent studies that as much as 25% of the total site operating budget (excluding raw material costs) for a typical medium-large dosage-form manufacturing facility will be spent on compliance measures for internal quality systems and external regulatory activities. (1) Market realities indicate that the pharmaceutical companies will need to address the overall cost of ...


    By GVS Filter Technology

  • Air filtration applications for membranes

    Given their unique performance attributes membranes are finding use in a growing number of high efficiency air filtration applications. One example is in respirators and personal protective equipment. Applications where intense physical demands and risk of exposure to harmful contaminants are present demand the high efficiency / low pressure drop combination of expanded polytetrafluoroethylene ...

  • Case study - Client: Mercy Housing, Chicago, IL

    Project: Rainwater for irrigation, greywater for toilet flushing. The Margot and Harold Schiff Residences, 1244 N. Clybourn, Chicago, IL. 2007. This project for Mercy Housing Lakefront, combines a cost-effective and nationally recognized approach to ending and preventing homelessness with major design innovations in an important community setting. Each unit has a private bath, kitchen, central ...

  • Water treatment plant filter improvements

    Client: City of Junction City, Kan. Completion Date: March 2003 Services Provided Filter rehabilitation Air scour system design Construction phase services Project Summary  Burns & McDonnell provided planning, design, bidding and construction services for the City of ...


    By Burns & McDonnell

  • Improving air quality in the office

    Most people spend the main part of their day indoors – in the home, school or office environment. Focusing specifically on improving air quality in the office and workplace setting, we are looking at the key potential sources of pollution which impact upon air quality and employees’ health. Examples include, outdoor air (particularly relevant if the workplace is next to a busy road), ...


    By Commercial Air Filtration

  • Filter technology to meet evolving regulations

    Maguin has developed the Cercat filter for high temperature air pollution control. In this article, David Gambier and Hélène Real outline the technology, as well as installations planned for 2009. Maguin has been present in the waste thermal treatment field since the 1970s. The company’s knowledge has been built through the turnkey supply of thermal treatment units for different kinds of products ...

  • 10 easy fixes for indoor air

    Colder temperatures are upon us, and most people keep windows and doors shut to keep the chill out. But in closed-off rooms and homes, indoor air contaminants build up over time. The problem? Poor air quality has been linked to health effects in everyone, especially infants, children, seniors and pets. We listed 10 easy ways to improve IAQ. 1. Open windows ...


    By Allerair Industries

  • Solid / gas separation with fabric filters

    A myriad of filter media are utilized today for separation of particulate matter in industrial gas filtration applications. These media range from single use (deposable) to semi-permanent media and include fiber, fabric, ceramic, membrane, metal mesh, and sintered metal media. Semi-permanent media are usually cleanable, either on or off-line, and are primarily intended for long-term (up to ...

  • Green Filter Cleaning Machine case study

    This Technical Report Summary presents an overview of laboratory testing conducted at SwRI to evaluate the performance of a Diversi-Tech Green Filter Cleaning Machine under controlled laboratory conditions. In particular, the objective was to measure if and by how much, if any, airflow resistance, efficiency, and dust capacity changed for a given number of dust loading/filter cleaning cycles, ...


    By Diversitech

  • Rolled Filters Move Filtration in a New Direction

    When selecting filtration technology, industrial users have long wrestled with the tradeoffs of dirt-holding capacity versus particle selectivity or quick-and-dirty change-outs versus process time. For many applications, a self-contained rolled filter offers an effective solution to both problems. Constructed with polypropylene hardware and various media in a spiral-wound design, rolled filters ...

  • How HEPA Filter Make Steam Cleaners Best?

    A HEPA filter, by definition, is an air filter that removes particles larger than 0.3 micrometers from air. This filter eliminates 99.9 percent of minute particles from the air and helps keep the indoors clean. The best steam cleaner for commercial use often has a HEPA filter. A HEPA filter removes dust, allergens, and other harmful particles, and keeps indoor areas clean and healthy. The best ...


    By Daimer Industries Inc.

  • Moscow snow reveals new air pollutants

    GC-MS analysis of Moscow snow reveals new pollutants in the city air. Cities, with their traffic, industrial centers and factories, usually suffer from some degree of air pollution. Moscow, which houses all of these as well as power plants and an oil refinery, is no different. Regular monitoring of environmental pollutants is common practice in many cities and priority pollutants are detected and ...

  • Advanced Enviro - Septic™ Wastewater Treatment System Septic Tank Effluent Filters and Charco al (Odor) Filters NOT Recommended

    Abstract: Effluent filters are installed in the outlet from the septic tank with the intended purpose of retaining solids inside the tank, preventing them from entering the treatment system and/or dispersal field. The concern is that if solids escape from the septic tank, they could cause clogging of the system components or the soil interface. While this may be a legitimate concern for some ...

  • The Benefits of an Integrated Air and Water Pollution Control Partner

    Although there has been substantial progress during the past several decades in reducing pollution, the EPA, other federal agencies and local governments continue to add and revise requirements and standards, making compliance a challenge for the industrial sector. These companies also face increasing public pressure not just to meet but to exceed pollution control standards, as studies continue ...

  • Southwest Research Institute® (SwRI®) Technical Report Summary; SwRI Project No. 08.16032.009, “Filter Cleanability Testing”

    This Technical Report Summary presents an overview of laboratory testing conducted at SwRI to evaluate the performance of a Diversi-Tech Green Filter Cleaning Machine under controlled laboratory conditions. In particular, the objective was to measure if and by how much, if any, airflow resistance, efficiency, and dust capacity changed for a given number of dust loading/filter cleaning cycles, ...


    By Diversitech

  • Between the Lakes - An innovative onsite system serves a condominium and housing project on a popular chain of lakes in a Wisconsin resort community - Case Study

    System Profile Location: Three Lakes, Wis. Facility served: Condominium and housing project (total 267 bedrooms) Designer: Baudhuin Inc., Sturgeon Bay, Wis. Installer: Bergeman Plumbing & Heating, Chippewa Falls, Wis. Site conditions: Level; stratified ...


    By BioMicrobics, Inc.

  • A breath of fresh air - Wet scrubbing eliminates odors associated with processing discarded liquid from cheese manufacturing.

    When International Ingredient Corp.’s drying plant in Monroe,WI, opened in 1994, it was the first plant designed specifically for large-scale drum drying of dairy products for the feed industry.At that time, its only neighbor was a cheese producer. International Ingredient used a land spread technique to process the discarded liquids resulting from its neighbor’s cheese manufacturing process. ...


    By Bionomic Industries Inc.

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