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The second step (e.g., the regeneration of ferric iron, which is then reduced to ferrous on reaction with pyrite) is the key reaction in promoting the ongoing oxidation of the mineral. At pH values >4, this may be mediated chemically or biologically (by iron-oxidizing bacteria such as Ga. ferruginea), while at pH < 4, abiotic oxidation is negligible and the activities acidophilic iron-oxidizing bacteria dominate (Johnson and Hallberg, 2003).

Worm Farming

Worm Farming

Do You Want To Learn More About Green Living That Can Save You Money? Discover How To Create A Worm Farm From Scratch! Recycling has caught on with a more people as the years go by. Well, now theres another way to recycle that may seem unconventional at first, but it can save you money down the road.

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