Video: Phosphate pob zeb nyob qhov twg?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Phosphate pob zeb tau pom nyob rau hauv nruab nrab Florida nyob rau xyoo 1880s, thiab vim yog qhov dav, cov khoom zoo thiab cov nqi qis qis, nws tau dhau los ua lub xeev ua cov phosphate. Tam sim no, phosphate pob zeb yog mined nyob rau hauv Florida , Idaho , North Carolina thiab Utah.
Xav txog qhov no, pom phosphate nyob qhov twg?
Cov neeg tsim khoom loj tshaj plaws hauv ntiaj teb thiab xa tawm ntawm phosphates yog Morocco. Nyob rau hauv North America, qhov loj tshaj plaws deposits nyob rau hauv lub pob txha Valley cheeb tsam ntawm central Florida, lub Soda Springs cheeb tsam ntawm sab hnub tuaj Idaho, thiab lub ntug dej hiav txwv ntawm North Carolina. Cov nyiaj me me yog nyob hauv Montana, Tennessee, Georgia, thiab South Carolina.
Ib tug kuj yuav nug, ua li cas phosphorus muab rho tawm los ntawm phosphate pob zeb? Feem ntau phosphate pob zeb rov qab los ntawm qhov chaw mining, txawm tias qee qhov yog muab rho tawm los ntawm underground mines. Cov ore yog thawj zaug kuaj thiab qee qhov impurities tshem tawm nyob ze ntawm qhov chaw kuv. Feem ntau phosphate pob zeb yog siv los tsim cov tshuaj soluble P, tab sis qee qhov yog siv rau kev thov ncaj qha rau cov av.
Ua raws li qhov xav tau, phosphate pob zeb tuaj qhov twg?
Phosphate rock los ntawm geological deposits nyob ib ncig ntawm lub ntiaj teb no. Nws cov ntsiab lus tseem ceeb yog apatite, calcium phosphate cov ntxhia feem ntau yog muab rho tawm los ntawm cov dej tso dej hauv lub cev, nrog rau cov nyiaj tau los me me los ntawm cov pa taws.
Phosphate tsim tawm li cas?
Lub hauv paus chiv keeb cov khoom lag luam ntawm kev lag luam yog diammonium phosphate (DAP), ua los ntawm kev ua tshuaj ammonia nrog phosphoric acid. Thaum sulfuric acid reacted nrog phosphate pob zeb rau tsim phosphoric acid, ib qho khoom los ntawm calcium sulfate (gypsum) kuj yog ua . Qhov no los ntawm cov khoom gypsum hu ua phosphogypsum.
Pom zoo:
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