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  2. Calcium reactor - Wikipedia

    en.wikipedia.org/wiki/Calcium_reactor

    A pH controller is recommended to control the CO2. It works by connecting to the CO2 regulator on the CO2 tank and measuring the pH of the solution inside the reactor via a pH probe. The controller will turn on and off the flow of CO2 based on the pH inside the reactor. The pH range for the typical calcium reactor is 6.5–6.8.

  3. CO2SYS - Wikipedia

    en.wikipedia.org/wiki/CO2SYS

    CO2SYS is a family of software programs that calculate chemical equilibria for aquatic inorganic carbon species and parameters. Their core function is to use any two of the four central inorganic carbon system parameters (pH, alkalinity, dissolved inorganic carbon, and partial pressure of carbon dioxide) to calculate various chemical properties of the system.

  4. Aquascaping - Wikipedia

    en.wikipedia.org/wiki/Aquascaping

    Aquascaping is the craft of arranging aquatic plants, as well as rocks, stones, cavework, or driftwood, in an aesthetically pleasing manner within an aquarium—in effect, gardening under water. Aquascape designs include a number of distinct styles, including the garden-like Dutch style and the Japanese-inspired nature style. [ 1 ]

  5. Recirculating aquaculture system - Wikipedia

    en.wikipedia.org/wiki/Recirculating_aquaculture...

    Outbreaks can be reduced by operating multiple independent systems with the same building and isolating water to water contact between systems by cleaning equipment and personnel that move between systems. [15] Also the use of an Ultraviolet (UV) or ozone water treatment system reduces the number of free floating virus and bacteria in the ...

  6. Direct air capture - Wikipedia

    en.wikipedia.org/wiki/Direct_air_capture

    The physical scale of the air contactor in any DAC system is a formidable challenge and may also have an impact on the environment. A DAC system meant to combat six million metric tons of CO2 per year, may be sized at about 30 kilometers in length and 10 meters in height [37]

  7. Solid sorbents for carbon capture - Wikipedia

    en.wikipedia.org/wiki/Solid_sorbents_for_carbon...

    In such a system, fossil fuels are combusted with air and CO 2 is selectively removed from a gas mixture also containing N 2, H 2 O, O 2 and trace sulphur, nitrogen and metal impurities. While exact separation conditions are fuel and technology dependent, in general CO 2 is present at low concentrations (4-15% v/v ) in gas mixtures near ...