chemical vapor Articles

  • How To Handle Chemical Spills & Cleanups

    FAST-ACT is designed for liquid and vapor chemical releases, but the chemicals it attacks does not need to be limited to what we traditionally think of as a chemical spill. Toxic and noxious chemicals can come from a variety of sources such as waste water, decomposition, household chemicals, and animals. Since FAST-ACT can be applied to liquid spill or vapor release enabling Emergency Responders ...


    By Fast-ACT

  • FAST-ACT Chemical hazard containment and neutralization system - Technical Report

    ABSTRACT FAST-ACT is a proprietary formulation of non-toxic high-performance specialty materials effective at neutralizing a wide range of toxic chemicals with the added capability to destroy chemical warfare agents. The FAST-ACT formulation is non-flammable, non-corrosive, and significantly reduces both liquid and vapor hazards. Since the dry powder neutralizes threats upon contact, ...


    By Fast-ACT

  • Modeling Tip: How to Import BREEZE AERMOD files into BREEZE Risk Analyst for Human Health Risk Assessments

    Humans can be exposed to hazardous air pollutants (HAPs) either directly through inhalation or indirectly through ingestion or dermal contact, which can result in acute or chronic health effects. The risk of exposure varies depending on a number of variables, including the meteorological conditions, local geographical and emissions characteristics, the age of the individuals being exposed, and ...

  • When vapors intrude...

    Vapor intrusion (VI) is the migration of gas-phase chemicals from the subsurface into buildings or other structures. It is one of the exposure pathways that should be considered when performing a site human health risk assessment and can be an important issue at sites with subsurface contamination due to petroleum fuels or chlorinated solvents. This article provides a “big picture” overview for ...

  • Vapor intrusion pathway investigation

    The BEACON samplers defined the vapor intrusion of tetrachloroethene and 1,1-dichloroethene, while the Summa canisters (EPA Method TO-15) reported all non-detects. The BEACON survey enabled detection of some chemicals at levels below the Summa canisters practical quantitation limits providing a more complete and realistic vapor intrusion exposure pathway evaluation. Based on the defined vapor ...

  • Book Review: Detection Technologies for Chemical Warfare Agents and Toxic Vapors

    Detection Technologies for Chemical Warfare Agents and Toxic Vapors, by Yin Sun and Kwok Y. Ong. CRC Press, 2005. 272pp. ISBN1-56670-668-8Keywords: book ...


    By Inderscience Publishers

  • Vapor Steamers for Tile and Grout Maintenance

    Tile and grout cleaning is undoubtedly a tiresome and time-consuming job. Tiled floors are normally used in areas that experience heavy traffic. As a result, the floors can get quite dull and dirty at the end of the day. Then, there is the issue of grout, a highly porous surface that quickly absorbs dirt and develops stains. Rigorous scrubbing can wear away the grout and spoil its appeal. For ...


    By Daimer Industries Inc.

  • Vapor Machines for Hardwood Floor Maintenance

    Maintenance professionals around the world now choose the most advanced cleaning, sanitizing and deodorizing techniques, to maintain different areas in commercial and industrial settings. This is applicable in the case of floors as well. More and more cleaning experts continue to choose portable steam cleaner machines to maintain hardwood floors. When compared to traditional techniques of ...


    By Daimer Industries Inc.

  • Soil Vapor Extraction (Ex Situ)

    Introduction: Ex situ soil vapor extraction (SVE) is a full-scale technology in which soil is excavated and placed over a network of aboveground piping to which a vacuum is applied to encourage volatilization of organics. Soil piles are generally covered with a geomembrane to prevent volatile emissions and to prevent the soil from becoming saturated by precipitation. The process includes a ...

  • Thermally Enhanced Soil Vapor Extraction

    Introduction Thermally enhanced SVE is a full-scale technology that uses electrical resistance/electromagnetic/fiber optic/radio frequency heating or hot-air/steam injection to increase the volatilization rate of semi-volatiles and facilitate extraction. Thermally enhanced SVE is normally a short- to medium-term technology. Electrical Resistance Heating Electrical resistance heating uses ...

  • Modification of tubular ceramic membranes with carbon nanotubes using catalytic chemical vapor deposition

    In this study, carbon nanotubes (CNTs) were successfully grown on tubular ceramic membranes using the catalytic chemical vapor deposition (CCVD) method. CNTs were synthesized at 650°C for 3–6 h under a 120 mL min−1 flow of C2H6 on ceramic membranes impregnated with iron salt. The synthesis procedure was beforehand optimized in terms of catalyst amount, impregnation duration ...


    By IWA Publishing

  • Vapor Intrusion Issues Risk Occupants’ Health

    Vapor intrusion occurs when a gaseous substance migrates into a building.  For example, volatile organic compounds and other gases can migrate from contaminated soils and groundwater through cracks in foundations or sewer lines and enter a building.  Vapor intrusion can create an indoor environment that damages structural materials and puts building occupants’ health at ...


    By Ultraviolet Devices, Inc.

  • Simplify Hospital Maintenance Tasks with Vapor Steam Cleaners

    Healthcare facilities such as hospitals and medical centers experience large numbers of sick, injured and infected people seeking treatment and a hygienic place to recover from their ailments. Hospitals are therefore more vulnerable to harboring germs and bacteria than other locations. To prevent infections from spreading out of proportion and to ensure hygienic, disinfected environments that ...


    By Daimer Industries Inc.

  • New Process Gas Analyzer for the Measurement of Water Vapor

    KEYWORDS TDLAS, WMS, Laser Spectroscopy, Water Vapor Measurement, Gas Analyzer ABSTRACT A new analyzer for the measurement of water vapor concentration based on Tunable Diode Laser Absorption Spectroscopy (TDLAS) was developed. The water-vapor line at 1854-nm was selected for the measurement, and the performance of the system was evaluated on different ...

  • Daimer Launches Vapor Steam Cleaner For Airport Maintenance

    Daimer Industries, Inc.®, the nationally and internationally reputed American brand of 700+ industrial and commercial grade cleaning systems, including power enhanced vapor steam cleaner equipment, portable carpet steam cleaner machines, industrial car wash machines, and many other technologies, is debuting the KleenJet® Ultra 5000CVP – ATIS® industrial steam cleaner to airports ...


    By Daimer Industries Inc.

  • Solid H2S Removal System for Railcar Vapor Unloading Operations

    Molten sulfur is a basic component of many chemicals used in a variety of industries. It is typically brought into the chemical plant via tanker truck or rail car. Most molten sulfur comes from an industrial H2S removal process called the Claus Process, and contains dissolved ...


    By Merichem Company

  • How Close to Contamination does a Property need to be for Vapor Intrusion to be a Concern?

    Cinnaminson, NJ, February 19, 2013 There are numerous sites across North America that have contaminated soil or groundwater due to manmade pollution.  Some of these sites have been a problem for decades and as communities have grown, more and more residential and commercial properties have been built above or near these areas. A major issue for properties built near these contaminated ...


    By EMSL Analytical, Inc.

  • Solid H2S Removal System for Railcar Vapor Unloading Operations

    Molten sulfur is a basic component of many chemicals used in a variety of industries. It is typically brought into the chemical plant via tanker truck or rail car. Most molten sulfur comes from an industrial H2S removal process called the Claus Process, and contains dissolved H2S. Flexsys is the leading manufacturer and supplier of chemicals for rubber processing and related industries; they ...


    By Merichem Company

  • Using Best Vapor Steam Cleaners for Carpets and Hard Surfaces Cleaning

    Vapor steam cleaner machines are popular cleaning systems for commercial cleaning tasks because of their versatile cleaning applications. They are powered by the cleaning capabilities of superheated water that cleans away almost all types of dirt, debris, and stubborn sedimentation. With the right technology, steam also acts as an effective disinfectant and keeps your office and residential space ...


    By Daimer Industries Inc.

  • Vapor Steamers Make School Surfaces Spotlessly and Germ Free

    The cleaning capabilities of vapor steam cleaner machines are renowned all over the world. For this reason, cleaning professionals in charge of maintaining high-traffic areas now trust the cleaning power of steam vapor machines to help them accomplish their job with minimum effort and without compromising on the quality of cleaning results. Let us take the case of maintaining schools for ...


    By Daimer Industries Inc.

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