vent filter Articles

  • Process Vent Handling Hydrochloric Acid Vapors

    Background:This Roche facility in Belvidere was involved in the pilot manufacturing of innovative Vitamin C products. One step in the manufacturing process utilized a vacuum belt filter operation which created undesirable vapor by-products. These corrosive vapors were collected and romoved via vent lines to be absorbed using a carbon bed process (scrubbed). The vapors involved were HCL, ...


    By FAB-TECH Incorporated

  • Odor Eliminators For Roof Top Vents Often Called Stink-Pipes

    Every state, city, and village either has odor ordinances or treats obnoxious odors perceptible beyond property lines as public disturbances/nuisance. All plumbing vent stacks produce odors unless they fitted with a filter. OSHA warns that levels of 300-ppm (H2S) cause the olfactory nerve to lose sensitivity. At first a “rotten egg” odor is detected but on the second or third breath the odor ...


    By Pennington Equipment Company

  • Mitigating methane emissions from passive landfill vents: a viable option for older closed landfills

    This study investigated the use of biofilters to reduce methane emissions from landfill passive gas vents. Two biofilter designs were evaluated. The two filter designs achieved similar percent oxidation averages. The radial biofilter design, however, obtained a much higher methane oxidation rate. The higher surface area of flow in the radial biofilters decreased the methane influx leading to ...


    By Inderscience Publishers

  • Expanding Reservoir Air Filters

    In all vented tanks, the rise and fall of fluid levels is offset by a corresponding volume of incoming and outgoing air. Keeping the incoming replacement air clean is essential for contamination control and thus the reliability of hydraulic systems. While targeting the system's reliability, JLM Systems Limited has developed the OilMiser™ Reservoir Aspirator (ORA) kit. This product represents a ...


    By JLM Systems Ltd

  • Air Filters 101: What You Need to Know About Air Filters

    A lot of people don’t really change their air filters as often as they should – in fact, these people probably aren’t aware of just how often these need to be changed. Quite often, air filters are changed when visible dust and particles gather up on the furnace vents – which should not be the case at all, ideally. Read on to learn more about air filters, and how changing ...


    By Filter Buy

  • To prevent blinding in dust collection systems, consider filter type, filter size and selection of the filter media used

    All dust collection systems, regardless of size, share a common problem—dust blinding. Simply stated, blinding is defined as when dust particles plug the holes in a filter and stop the flow of air through the filter, resulting in the dust collector performing poorly. All types of collectors, whether stand-alone units, cyclones or full-scale baghouses, are subject to blinding. To better ...


    By American Fabric Filter Co

  • 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

  • How a HEPA Filter Makes the Best Steam Cleaner Even Better

    When looking for the best steam cleaner for hospitals, hotels, and other commercial areas, it’s important to look for units that have vacuum extraction capabilities as well. Ordinary steam cleaning units can soften and dissolve a range of tough deposits and stains. But it’s up to the user to manually wipe up the slurry that is left behind. This can be a relatively easy task when ...


    By Daimer Industries Inc.

  • New Home with Puraflow Septic System and Odor Complaint - Case Study

    Problem After installation of a Puraflow septic system the customer complained of odors in his yard. The contractor installed residential vent odor filters on the tank vent on the roof vents. The residential odor filters improved but did not eliminate the problem. The contractor reviewed the problem with Simple Solutions and determined that the problem was due to the ...


    By Simple Solutions Dist. LLC

  • Contain Oil Vapor for Better Reliability

    In a boiler feed pump, an air breather is used to vent the enclosed air space on the bearing housings. With increasing heat and thermal expansion, oil vapors form in the bearing housings and migrate through the air vents. The vapor then condenses in the air filter media saturating the filter with oil. The air breather becomes ineffective, which affects mechanical seals and the overall ...


    By JLM Systems Ltd

  • 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 ...

  • Modelling and simulation of containment retention factor for can-type containment

    Severe accidents cause the failure of fission product barriers and allow the fission products to escape into the environment. The containment is the last barrier for fission products. Thus, containment spray system, heat removal system, recirculation filtration system, Containment Filtered Venting System (CFVS) and containment exhaust filtration system are installed in the containment to ...


    By Inderscience Publishers

  • How to Survive Sandstorm Season

    Asthma awareness is crucial when living in the GCC, especially when we live in a climate which has significant environmental triggers such as sandstorms. Several studies conducted in the Arabian Peninsula countries with a high rate of sandstorms, confirmed the increased prevalence of asthma in those countries. It was also reported that sandstorms frequently cause adverse health effects on the ...


    By Camfil Ltd

  • Maize (corn) straw report on shredding and briquetting tests case study

    Date: 28.04.2012 Place: ASKET, Biomass Division in Gniewkowo Tested material: maize straw, loose, moisture content 13% Technology: briquetting set BIOMASSER® DUO-SET: shredder TOMASSER® RK 7,5 kW, screen 15 mm, blades RB briquetting press BIOMASSER® DUO type BS210. ...


    By ASKET

  • Treatment Options for Molten Sulfur Storage

    Documento sin título ...


    By Merichem Company

  • White Paper: ANSI N13.1-2011 Stack Sampling Considerations

    Background Nuclear facilities are required to follow industry standards for sampling stack effluents. Exposure of the general public to released radionuclides must be monitored as specified in US governmental regulations. The United States Environmental Protection Agency (USEPA) and the United States Nuclear Regulatory Commission (USNRC) have the authority over the monitoring of these ...

  • The Key To Controlling Airborne Contamination In Food Processing

    In the food and beverage industry, contamination is always a high priority concern. Small mistakes in handling, preparation, and even in the cleaning of the environment where food comes into contact with surfaces can cause disastrous results that can potentially affect hundreds of thousands of people. Often overlooked is the threat from another source of food contact: air. ...


    By Camfil Ltd

  • Exide Battery | Latest Prices, Models, Specifications Online

    Exide is one of the most preferred car and inverter batteries in India. These batteries are manufactured by Exide Technologies, a manufacturer with an undeniable presence in various parts of the world. Exide has been able to survive the competition that exists in this segment and continues to rule the roost because of its commitment to stay true to its quality and create batteries that last a ...


    By Batterybhai.com

  • Case study - Client: City of Chicago, Parks Division

    Project: Rooftop rainwater to flush toilets. Comfort stations at 40th Street and Osterman Beach. Challenge: The Parks Division of the City of Chicago wanted to its two new comfort stations along the Lake Michigan Lake Shore Drive to be environmentally responsible and serve as demonstration projects for the the city's efforts toward sustainable design.   ...

  • Plant area monitoring at Krško

    Post-Fukushima upgrades at Krško in Slovenia (www.nek.si) are being implemented in accordance with the requirements of the national regulator and the plant owners. The first phase, including a passive containment vent filtering system and hydrogen recombiners, a new emergency diesel generator, and a protected store of mobile emergency equipment, is already completed. The next phase in ...


    By Saphymo

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