vapor control Articles

  • Customization of Vapor Intrusion Control Solutions

    This is an exciting time in the development of the vapor intrusion control industry.  Significant increases in practitioner skill level and experience and the increased availability of specialized products have resulted in many innovative and customized solutions for addressing the vapor intrusion needs of developers, businesspeople, and attorneys.  This is especially true in three ...

  • 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.

  • Vapor Intrusion: Risks and Challenges

    Vapor Intrusion (VI), defined as the migration of volatile contaminants from the subsurface into the indoor air of overlying buildings, is a major and challenging environmental issue for both regulators and the regulated community—one that continues to elicit heated debate among stakeholders. Eight factors associated with the VI pathway that contribute to its challenging nature are discussed ...

  • Vaporizer - Shandong LNG Terminal - Case Study

    Project Details Customer Name: Shandong LNG Terminal The Brief: Provide heat for regasification of LNG Location of Installation: Shandong, China Products supplied: 4 off Submerged Combustion Vaporizers (SCV) ...


    By Process Combustion Ltd

  • Dealing with Cavitation in Control Valves

    Cavitation consists of rapid vaporization and condensation within a liquid. When local pressure falls to vapor pressure (approximately 0.25 psi / 0.018 bar absolute for cold water), vapor bubbles are formed and when these bubbles travel to an area of higher pressure, the bubbles collapse with phenomenal force and great localized stress. It is the violent collapse of these vapor bubbles near valve ...


    By IWA Publishing

  • New EPA Draft Guidance on Vapor Intrusion

    One of the primary objectives of the Office of Solid Waste and Emergency Response (OSWER) under EPA’s Strategic Plan is stated as: “By 2005, EPA and its state, tribal and local partners will reduce or control the risk to human health and the environment at more than 374,000 contaminated Superfund, RCRA, underground storage tank (UST), brownfields and oil sites, and have the planning and ...

  • Sensitivity analysis on parameters and processes affecting vapor intrusion risk

    A one‐dimensional numerical model was developed and used to identify the key processes controlling vapor intrusion risks by means of a sensitivity analysis. The model simulates the fate of a dissolved volatile organic compound present below the ventilated crawl space of a house. In contrast to the vast majority of previous studies, this model accounts for vertical variation of soil water ...


    By John Wiley & Sons, Ltd.

  • Why is There Frost Phenomenon in the Low Temperature Chiller Circulator?

    Many low temperature chiller circulators will frost when they are used, but there is no frost phenomenon in low temperature chillercirculators. So, what's the matter? Is it related to refrigeration?  First of all, why does the low temperature chiller circulator frost? ...

  • Continuous emission monitoring and control of packed tower odor control systems using the sycamore CEM

    ABSTRACT Packed-tower chemical scrubbers, with sodium hydroxide (caustic) and sodium hypochlorite (bleach), are commonly used to treat foul air from wastewater treatment processes. The available control mechanisms include a pH probe and controller for the sodium hydroxide feed, an oxidation reduction potential (ORP) probe with a controller toestablish the bleach feed, and proprietary ...

  • Daimer Ships Vapor Steam Cleaner For Maintaining Night Clubs

    Daimer Industries, Inc.®, the globe’s most famous American brand and supplier of robust steam cleaner systems, commercial car wash machines, top notch floor cleaning machines, and many more highly advanced systems and technologies, has commenced shipping the KleenJet® Supreme 3000CV to night clubs. The equipment is a commercial steam cleaner machine that offers terrific steam ...


    By Daimer Industries Inc.

  • Features of machines used for hospital infection control

    Hospital infection control requires recourse to a good quality equipment that not only removes dirt but also eliminates molds, bedbugs, allergens, and germs. Healthcare services are grappling the problem of maintaining sanitization on a daily basis, and one of the most useful tools in this regard is a dry vapor system. A dry vapor system built for hospital infection control should have the ...


    By Daimer Industries Inc.

  • Avoiding Sewer Fires with Vapor Space Organics Monitoring

    ABSTRACTRegulation of flammable gases released from wastewater discharges is facilitated by the use of the Vapor Space Organics test method. Such regulation can reduce the risk of a flash sewer fire, resulting damage and potential injury. The updated 2003 VSO process developed by Severn Trent Laboratories produced data that was equivalent to the 1990 VSO process developed and used by the ...

  • Steam Cleaner for Removing Bed Bug with Pest Control Method

    Bed bugs are a nuisance that is not easily eliminated. They infest bedding and upholstery, and are difficult to remove once they start growing in numbers. Even upscale hotels and spas find it hard to fight the bedbug menace, and homeowners often grow desperate in their search for a remedy to bedbug infestations. One of the safest and more effective ways to control bedbugs is to use a steam ...


    By Daimer Industries Inc.

  • Controlling Odors at Composting Facilities

    Untitled Document ...


    By BioCycle Magazine

  • Plume Control under a City Building

    Subsurface remediation in a big city setting is complicated. Limited work space, heavy traffic, noise restrictions, and a dense network of utilities are just some of the factors that conspire to make the installation of any in situ plume control or plume reduction system a seemingly unsolvable logistical puzzle. Horizontal wells placed directly beneath a building can provide protection from soil ...

  • Integrated Odor Control for Solids Handling Operations

    Untitled Document Solids handling operations and solids holding facilities are often major sources of odor at wastewater treatment ...


    By Calgon Carbon Corporation

  • Metal Coating Emission Control

    The use of regenerative thermal oxidizers is expanding into applications where they wouldn’t have been considered years ago, says Mike Scholz As the first generation of oxidizer systems in the industry nears the end of their service life, many canmaking plants face repair or replacement of their existing air pollution control systems. Like many others in the industry, a Silgan canmaking ...

  • Modeling of packed absorption tower for volatile organic compounds emission control

    Development of chemical industry and high vapor pressure of volatile organic compounds (VOCs) have been caused that these materials recently be considered as a source of air pollution. These are different methods for separation of VOC from air that absorption by suitable and selective solvent is an efficient method. In this research, mathematical modeling of a packed absorption tower for ...

  • CONTROLLED RECOGNIZED ENVIRONMENTAL CONCERNS (CRECs)

    A client recently said to me; “It seems like every year environmental requirements become more stringent and costly, making more purchasers and lenders request environmental inspections before committing to the real estate transaction”. Environmental Site Assessments (ESAs) or Phase I ESAs are the industry standard for ...

  • Overview of mercury control in coal-fired power plants

    During combustion, the mercury (Hg) in coal is volatilized and converted to elemental mercury (Hg0) vapor in the high temperature regions of coal-fired boilers. As the flue gas is cooled, a series of complex reactions begin to convert Hg0 to ionic mercury (Hg2+) compounds and/or Hg compounds (Hgp) that are in a solid-phase at flue gas cleaning temperatures or Hg that is adsorbed onto the surface ...

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