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  2. Dry ice - Wikipedia

    en.wikipedia.org/wiki/Dry_ice

    Subliming dry ice pellet, with white frost on the surface. Dry ice means the solid form of carbon dioxide.It is commonly used for temporary refrigeration as CO 2 does not have a liquid state at normal atmospheric pressure and sublimes directly from the solid state to the gas state.

  3. Cold Jet Revolutionizes Dry Ice Production with Next-Gen CO2 ...

    lite.aol.com/tech/story/0022/20241112/9272028.htm

    In 2022, Cold Jet acquired Triventek, a Danish company pioneering Carbon Dioxide Reclaimer technology. Cold Jet's engineers improved on this technology, incorporating innovative features for: Boosted Efficiency: The RE-CO2 320 V2 gets more dry ice volume out of every ounce of CO2, potentially cutting your liquid CO2 costs in half.

  4. Carbon dioxide in Earth's atmosphere - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide_in_Earth's...

    The concentration of carbon dioxide (CO 2) in the atmosphere reached 427 ppm (0.0427%) on a molar basis in 2024, representing 3341 gigatonnes of CO 2. [1] This is an increase of 50% since the start of the Industrial Revolution , up from 280 ppm during the 10,000 years prior to the mid-18th century.

  5. Carbon dioxide (data page) - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide_(data_page)

    Structure and properties Index of refraction, n D: 1.000449 at 589.3 nm and 0 °C [1]: Dielectric constant, ε r: 1.60 ε 0 at 0 °C, 50 atm : Average energy per C=O bond : 804.4 kJ/mol at 298 K (25 °C) [2]

  6. A Knoxville machine is turning pollution on its head ...

    www.aol.com/knoxville-machine-turning-pollution...

    In less than a year, Holocene went from lab experiments to a machine that can annually capture 10 tons of carbon dioxide. Timofte said the company needs to scale up operations by that much all ...

  7. Carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide

    The concentration of carbon dioxide (CO 2) in the atmosphere reached 427 ppm (0.0427%) on a molar basis in 2024, representing 3341 gigatonnes of CO 2. [78] This is an increase of 50% since the start of the Industrial Revolution, up from 280 ppm during the 10,000 years prior to the mid-18th century. [79] [80] [81] The increase is due to human ...

  8. Pumpable ice technology - Wikipedia

    en.wikipedia.org/wiki/Pumpable_ice_technology

    Pumpable ice technology (PIT) uses thin liquids, with the cooling capacity of ice. Pumpable ice is typically a slurry of ice crystals or particles ranging from 5 micrometers to 1 cm in diameter and transported in brine, seawater, food liquid, or gas bubbles of air, ozone, or carbon dioxide. [1] [2] [3] Pumpable ice passed through plastic tubes

  9. Icemaker - Wikipedia

    en.wikipedia.org/wiki/Icemaker

    Common capacities range from 30 kg (66 lb) to 1,755 kg (3,869 lb). Since the emergence of cube ice machines in the 1970s, they have evolved into a diverse family of ice machines. Cube ice machines are commonly seen as vertical modular devices. The upper part is an evaporator, and the lower part is an ice bin.

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