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Saltwater may have a pH of 7.8 or higher, so to reduce the pH carbon dioxide (CO 2) is used. The reaction formula is: CaCO 3 + H 2 O + CO 2 Ca 2+ + 2 HCO 3 −. Inside the reaction chamber, a calcium rich media , mainly CaCO 3, is forced into contact with water injected with carbon dioxide (CO 2) in order to create carbonic acid (H 2 CO 3).
Brine shrimp is a source of protein, carotene (a color enhancer) and acts as a natural laxative in fish digestive systems. Brine shrimps can also supply the fish with vegetable matter due to their consumption of algae. Daphnia species (commonly Pulex or Moina) vary in size, but all are about 50% protein and are high in carotenoids. [5]
In acetogenesis, bacteria convert these resulting organic acids into acetic acid, along with additional ammonia, hydrogen, and carbon dioxide amongst other compounds. Finally, methanogens convert these products to methane and carbon dioxide. [6] The methanogenic archaea populations play an indispensable role in anaerobic wastewater treatments. [7]
Calcination is thermal treatment of a solid chemical compound (e.g. mixed carbonate ores) whereby the compound is raised to high temperature without melting under restricted supply of ambient oxygen (i.e. gaseous O 2 fraction of air), generally for the purpose of removing impurities or volatile substances and/or to incur thermal decomposition.
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