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confined space system Applications

  • Premium

    Gas monitoring instruments and systems for fumigation

    Sea cargo containers and wooden packing materials are fumigated to control the spreading of pest animals and micro-organisms. Fumigant gases are toxic and measurements are carried out as a health and safety precaution. Measurements are required by e.g. customs inspectors prior to opening containers, making the shipping companies responsible for carrying out measurements. Products shipped in containers may release VOCs from e.g. solvents and glues used in manufacturing process. The concentrations of vapors may be significant in the confined space of the container. While most containers originate in China and Southeast Asia, cargo container measurements are done in ports across the world, as the same gases are encountered in all ports.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

  • Landfill lining

    GCLs have become the gold standard clay component of composite lining systems used in industrial, hazardous and municipal solid waste landfills. Used alone or in combination with a geomembrane in a composite cover system, GCLs provide significantly lower permeability, improved ease of installation, an increased amount of usable space. In many cases GCLs are more cost-effective than traditional compacted clay liners. GCLs are also not subject to deterioration from differential settlement and freeze-thaw cycles, which can damage traditional compacted clay liners. Important design considerations for GCLs in landfill caps include confining pressure, and potential for ion exchange and desiccation.

    By CETCO based in Hoffman Estates, ILLINOIS (USA).

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