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2. Iron-oxidizing bacteria - Wikipedia

   en.wikipedia.org/wiki/Iron-oxidizing_bacteria

   Any previously precipitated iron is removed by simple mechanical filtration. Several different filter media may be used in these iron filters, including manganese greensand, Birm, MTM, multi-media, sand, and other synthetic materials. In most cases, the higher oxides of manganese produce the desired oxidizing action.

3. Greensand - Wikipedia

   en.wikipedia.org/wiki/Greensand

   Greensand (glauconitic sandstone) Occurrence of glauconitic siltstone in the Serra da Saudade ridge, in the Alto Paranaíba region, Minas Gerais, Brazil. Greensand or green sand is a sand or sandstone which has a greenish color. This term is specifically applied to shallow marine sediment that contains noticeable quantities of rounded greenish ...

4. Media filter - Wikipedia

   en.wikipedia.org/wiki/Media_filter

   A media filter is a type of filter that uses a bed of sand, peat, shredded tires, foam, crushed glass, geo-textile fabric, anthracite, crushed granite or other material to filter water for drinking, swimming pools, aquaculture, irrigation, stormwater management, oil and gas operations, and other applications. Each layer of media is designed to ...

5. Manganese - Wikipedia

   en.wikipedia.org/wiki/Manganese

   Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. Manganese is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels. It improves strength ...

6. Backwashing (water treatment) - Wikipedia

   en.wikipedia.org/wiki/Backwashing_(water_treatment)

   Backwashing is a form of preventive maintenance so that the filter media can be reused. In water treatment plants, backwashing can be an automated process that is run by local programmable logic controllers (PLCs). The backwash cycle is triggered after a set time interval, when the filter effluent turbidity is greater than a treatment guideline ...

7. Scientists may have a solution to the International Space ...

   www.engadget.com/scientists-may-have-a-solution...

   In a cross collaboration between researchers at the University of Colorado, MIT and the NASA Ames Research Center, researchers studied samples from the space station using a specific and well ...

8. Manganism - Wikipedia

   en.wikipedia.org/wiki/Manganism

   Manganism. - biochemical blood test: determination of the activity of ALT, ACT, LDH, creatine phosphokinase (CPK); - indicators of protein metabolism, - concentrations of thyroid hormones.Instrumental research. EEG, CT, MRI, global EMG, ENMG data are evaluated. Manganism or manganese poisoning is a toxic condition resulting from chronic ...

9. FTC fines supplement maker $600,000 for 'review hijacking ...

   www.engadget.com/ftc-fines-supplement-maker...

   On Monday, the FTC said it voted unanimously to approve a consent order that carries a $600,000 fine for Bountiful and bars the company from employing such tactics in the future. “Boosting your ...