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  2. Chimney felling - Wikipedia

    en.wikipedia.org/wiki/Chimney_felling

    Chimney felling is the practice of demolishing or "felling" a chimney stack. Modern health and safety rules now largely prohibit the practice in industrialized areas; the current technique is to pack explosives around the base of the chimney. It is, however, popular within China's old industrial centers.

  3. Flue-gas stack - Wikipedia

    en.wikipedia.org/wiki/Flue-gas_stack

    A flue gas stack at GRES-2 Power Station in Ekibastuz, Kazakhstan, the tallest of its kind in the world (420 meters or 1,380 feet) [1]. A flue-gas stack, also known as a smoke stack, chimney stack or simply as a stack, is a type of chimney, a vertical pipe, channel or similar structure through which flue gases are exhausted to the outside air.

  4. United Cleanup Oak Ridge named 2023 Outstanding Corporate ...

    www.aol.com/united-cleanup-oak-ridge-named...

    UCOR is the Department of Energy’s lead environmental cleanup contractor in Oak Ridge tasked with removing unused, Manhattan Project-era facilities across the Oak Ridge Reservation.. The award ...

  5. List of tallest chimneys - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_chimneys

    Hamon Custodis claims to have built a 707 ft (215 m) [14] stack in 1953, [22] but there are no references to the location or client of this/these stack(s). Skyscraperpage indicates the 846-foot-tall (258 m) chimney of Omskaya Cogeneration Plant #4 was built in 1965, [ 23 ] but it is likely that this date is referring to the construction of the ...

  6. Stack effect - Wikipedia

    en.wikipedia.org/wiki/Stack_effect

    The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other purposefully designed openings or containers, resulting from air buoyancy. Buoyancy occurs due to a difference in indoor-to-outdoor air density resulting from temperature and moisture differences ...

  7. Biden admin quietly clears away border wall parts for auction ...

    www.aol.com/biden-admin-quietly-clears-away...

    The materials were left unused following Biden's decision to stop the wall's construction and roll back Trump's immigration policies upon taking office in 2021, resulting in a massive surge of ...

  8. Scrubber - Wikipedia

    en.wikipedia.org/wiki/Scrubber

    Removal efficiency of pollutants is improved by increasing residence time in the scrubber or by the increase of surface area of the scrubber solution by the use of a spray nozzle, packed towers or an aspirator. Wet scrubbers may increase the proportion of water in the gas, resulting in a visible stack plume, if the gas is sent to a stack.

  9. Flue-gas desulfurization - Wikipedia

    en.wikipedia.org/wiki/Flue-gas_desulfurization

    Attempts have been made to remove both the fly ash and SO 2 in one scrubbing vessel. However, these systems experienced severe maintenance problems and low removal efficiency. In wet scrubbing systems, the flue gas normally passes first through a fly ash removal device, either an electrostatic precipitator or a baghouse, and then into the SO 2 ...