When.com Web Search

  1. Ads

    related to: gypsum phosphate fertilizer

Search results

  1. Results From The WOW.Com Content Network
  2. Phosphogypsum - Wikipedia

    en.wikipedia.org/wiki/Phosphogypsum

    Phosphogypsum (PG) is the calcium sulfate hydrate formed as a by-product of the production of fertilizer, particularly phosphoric acid, from phosphate rock. It is mainly composed of gypsum (CaSO 4 ·2H 2 O).

  3. Gypsum - Wikipedia

    en.wikipedia.org/wiki/Gypsum

    The production of phosphate fertilizers requires breaking down calcium-containing phosphate rock with acid, producing calcium sulfate waste known as phosphogypsum (PG). This form of gypsum is contaminated by impurities found in the rock, namely fluoride, silica, radioactive elements such as radium, and heavy metal elements such as cadmium. [31]

  4. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    The main straight phosphate fertilizers are the superphosphates: "Single superphosphate" (SSP) consisting of 14–18% P 2 O 5, again in the form of Ca(H 2 PO 4) 2, but also phosphogypsum (CaSO 4 · 2 H 2 O). Triple superphosphate (TSP) typically consists of 44–48% of P 2 O 5 and no gypsum.

  5. A Florida industrial site put millions of gallons of toxic ...

    www.aol.com/florida-industrial-put-millions...

    The site, which sits on the east side of Tampa Bay near Manatee County’s northern border, collected phosphate rock to be processed for phosphorus, a key ingredient in fertilizer.

  6. Piney Point phosphate plant - Wikipedia

    en.wikipedia.org/wiki/Piney_Point_phosphate_plant

    Piney Point phosphate plant is an industrial site in Manatee County, Florida and the location of a former fertilizer plant. The land is currently owned by HRK Holdings, which leases portions of the land to industrial tenants under the name Eastport .

  7. Phosphate rich organic manure - Wikipedia

    en.wikipedia.org/wiki/Phosphate_rich_organic_manure

    Phosphate rich organic manure is a type of fertilizer used as an alternative to diammonium phosphate and single super phosphate. Phosphorus is required by all plants but is limited in soil, creating a problem in agriculture In many areas phosphorus must be added to soil for the extensive plant growth that is desired for crop production.