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  2. Iron-oxidizing bacteria - Wikipedia

    en.wikipedia.org/wiki/Iron-oxidizing_bacteria

    The anoxygenic phototrophic iron oxidation was the first anaerobic metabolism to be described within the iron anaerobic oxidation metabolism. The photoferrotrophic bacteria use Fe 2+ as electron donor and the energy from light to assimilate CO 2 into biomass through the Calvin Benson-Bassam cycle (or rTCA cycle) in a neutrophilic environment (pH 5.5-7.2), producing Fe 3+ oxides as a waste ...

  3. Toxic heavy metal - Wikipedia

    en.wikipedia.org/wiki/Toxic_heavy_metal

    The river water was contaminated with toxic metals including arsenic, copper, barium, cadmium, chromium, lead, mercury, nickel, and thallium. [2] Cleanup costs may exceed $1.2 billion. [3] A toxic heavy metal is a common but misleading term for a metal-like element noted for its potential toxicity. [4]

  4. Metal toxicity - Wikipedia

    en.wikipedia.org/wiki/Metal_toxicity

    Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life.Some metals are toxic when they form poisonous soluble compounds. . Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain for

  5. Dangerous levels of metal found in water at dozens of ... - AOL

    www.aol.com/news/dangerous-levels-metal-found...

    Dozens of childcare centers in Fresno County have dangerous levels of lead in their drinking water, according to a new report. ... Their water tested at 11,300 ppb, comparable to some of the ...

  6. Iron poisoning - Wikipedia

    en.wikipedia.org/wiki/Iron_poisoning

    Manifestation of iron poisoning may vary depending on the amount of iron ingested by the individual and is further classified by five stages based on timing of signs and symptoms. In mild to moderate cases, individuals may be asymptomatic or only experience mild gastrointestinal symptoms that resolve within six hours. [ 5 ]

  7. Your Sparkling Water Might Contain Dangerous Chemicals - AOL

    www.aol.com/lifestyle/sparkling-water-might...

    Fan-favorite seltzer water brands like Topo Chico still contain concerning amounts of PFAS chemicals, despite efforts to minimize the levels. Your Sparkling Water Might Contain Dangerous Chemicals ...

  8. Microbial corrosion - Wikipedia

    en.wikipedia.org/wiki/Microbial_corrosion

    They live in the water-fuel interface of the water droplets, form dark black/brown/green, gel-like mats, and cause microbial corrosion to plastic and rubber parts of the aircraft fuel system by consuming them, and to the metal parts by the means of their acidic metabolic products. They are also incorrectly called algae due to their appearance.

  9. Industries polluted Columbia’s water with dangerous ‘forever ...

    www.aol.com/industries-polluted-columbia-water...

    The other drinking water plant draws water from an intake at Lake Murray and can produce 75 million gallons of drinking water per day. The wastewater plant can treat 60 million gallons a day.