air duct cleaning system Articles

  • Clearing the air on “free Air CFM” - Specs for portable duct cleaning vacuums

    Many times when researching equipment for duct cleaning vacuums you will find manufacturers posting the CFM suction ratings on their vacuums as “Free Air” or “bench Test”. The Free air test is the rating on the impeller wheel of the vacuum, simply put it is the maximum amount of airflow the impeller can produce with out any restriction. It seems as though many ...


    By Hypervac Technologies

  • The Right Mix for Clean Air

    Reducing air pollution is an increasingly important topic all around the world. Many governments—also in developing countries—set new limits for emissions such as nitrogen oxides in flue gas. Sulzer offers advanced mixing technology for flue gas cleaning. The installation in a large power plant shows that these high-performance mixers can cope with the most difficult requirements. ...


    By Sulzer Management Ltd

  • Ducted or Ductless Fume Hoods? Is this the real issue?

    Most laboratories will need some form of fume cabinet at some point. The type of cabinet is usually the starting point of the process, and the choice of either ductless or ducted cabinet is made. With the ever increasing need to save money and to be environmentally responsible there are other considerations that need to be explored before a decision can be reached. ...


    By Camlab Limited

  • Maintenance To-Do: Coil Cleaning

    A coil-cleaning program should be an integral part of maintaining some kinds of process cooling equipment. Most people think of coil cleaning as a building or facility prepares to turn on the air-conditioners for another season. Admittedly, spring is a perfect time to put such cleaning and maintenance at the top of the to-do list. Condenser and evaporator coils are an integral part of HVAC ...


    By Evapco Inc.

  • Understanding Air Pollution Control System Design Specifications

    As the full effect of the Federal Clean Air Act (CAA) Amendments continue to impact today’s industry, many different companies will be required to install new or additional air pollution control equipment.  With well over twenty-five years of proven success in a variety of industries, thermal and catalytic oxidation has become a popular method for controlling volatile organic compound (VOC) ...


    By The CMM Group, LLC

  • Controlling Bacteria In a Clean Room Environment

    Maintaining the integrity of a cleanroom is a constant battle. The first step to deciding which method, or combination of methods, to employ is to identify the prime sources of contamination. There are three prime sources of contamination through which the integrity of a cleanroom might be breached. First, there is the human element. While many processes might be automated, many situations remain ...


    By GVS Filter Technology

  • Air Pollution Control Specs

    As the full effect of the federal Clean Air Act (CAA) Amendments continue to impact today’s industry, many companies will be required to install new or additional air pollution control equipment.  With more than 25 years of proven success in a variety of industries, catalytic and thermal oxidation has become a popular method for controlling volatile organic compound (VOC) and hazardous air ...


    By The CMM Group, LLC

  • 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

  • 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

  • Air Pollution Control: Ready for the 21st Century

    The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well into the 21st century. The nature of the problem The major air pollution problem in the textile industry occurs during the finishing stages, ...


  • 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

  • Case History - Air Pollution Control in the Textile Industry: a Technology for the 21st Century

    The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well into the 21st century. The nature of the problem The major air pollution problem in the textile industry occurs during the finishing stages, ...


  • Hurricane HR Cyclones for cleaning of Black Powder in natural gas caused by the dragging in the pipes at EDP Gas ( 842m3/h at 11ºC ) - Case Study

    Foreword Advanced Cyclone Systems, S.A. (ACS) designed and supplied a Hurricane Cyclone System for EDP Gás, a public service company for natural gas distribution. EDP Gás focuses its activity on the development and operation of the public network distribution of natural gas in the north coastal region of Portugal. ...

  • New laser-based dust emission monitoring system

    Abstract A new generation of continuous particulate matter concentration monitoring instruments is presented, covering a measuring range of 0 to 1000 mg/m3. The laser-based scattered light instrument gives an improved stability as well as excellent resolution in the low range. This enables high concentration measurement as well as especially low emission monitoring down to 0.01 mg/m3 with a ...


    By SIGRIST - PHOTOMETER AG

  • Textile Industry: Air Pollution Control Through Wet Scrubbers, High Energy Venturi Scrubbers, Packed Bed Scrubbers and Other Technologies

    Wet Scrubbers, High Energy Venturi Scrubbers, Packed Bed Scrubbers are an excellent solution for air pollution in the textile industry. The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well ...


    By CR Clean Air Group, LLC

  • Improving energy efficiency: About oil fouling in refrigeration systems

    Introduction Most air conditioning and refrigeration systems have a mechanical compressor which relies upon lubricating oil to function. During the normal course of the refrigeration process, ½% to 8% of the compressor’s lubricating oil is circulated throughout the system along with the refrigerant. Since the early days of refrigeration and air conditioning technology, the ...


    By Power Knot LLC

  • Explosion Proof UV Lights for Commercial and Industrial HVAC systems

    In the past decade, more and more people have been installing UV lights in their HVAC systems to eradicate harmful bacteria. A timely study from Duke University Medical Center has proven the effectiveness of using UVC bands to disinfect a myriad of dangerous microbes, including drug-resistant bacteria, such as Acinetobacter, Clostridium difficile and vancomycin-resistant enterococci (VRE). During ...


    By Larson Electronics LLC

  • Analysis of monitoring results of the separation and greywater treatment system at Chester Woods Park, Olmsted County, Minn.

    Introduction In 1993, Olmsted County installed an advanced individual sewage treatment system (ISTS) at the caretaker's residence at a County-owned park to demonstrate waste load reduction and downsizing of drainfield area. The subject system has two components--1) a composting/vermiculture blackwater system and a 2) aerobic graywater treatment system. The separation of the high strength ...


  • TopAir`s Fume Hood

    TopAir, Statitech Israel’s flagship brand, manufactures a full line of superior cleanroom equipment including a reliable fume hood for neutralizing potential airborne chemical hazards in the laboratory. The fume hood mechanism offers maximum protection to laboratory staff working at a cleanroom table under the fume hood.   There are two basic types of fume hood. Many industries use a ...


    By TopAir Systems

  • 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

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