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Iron sulfide

Iron sulfide

Ho utloisisa Iron sulfide: Thepa, Formation, le Lisebelisoa

Iron sulfide, motsoako o hlahang ka tlhaho, o teng ka mefuta e fapaneng e nang le thepa le lits'ebetso tse fapaneng. Tataiso ena e akaretsang e hlahloba mefuta e fapaneng ea sulfide ea tšepe, mekhoa ea bona ea ho theha, litšobotsi tsa bohlokoa, le ts'ebeliso ea bohlokoa ho pholletsa le liindasteri tse fapaneng. Re tla shebisisa sebopeho sa lik'hemik'hale, sebopeho sa 'mele, le litlamorao tsa tikoloho ea liminerale tsena tsa bohlokoa.

Mefuta ea Iron Sulfidi

Pyrite (FeS2)

Hangata e bitsoa khauta ea leoatla ka lebaka la 'mala oa eona o mosehla oa koporo, pyrite ke eona e tloaelehileng ka ho fetisisa sulfide ea tšepe minerale. Ke mohloli oa bohlokoa oa sebabole 'me hangata o fumanoa mafikeng a sedimentary le metamorphic. Boima ba Pyrite le sebopeho sa cubic crystalline ke likarolo tse ikhethang. Ho se tsitse ha eona moeeng le metsing ho lebisa ho oxidation, ho hlahisa sulfuric acid - ts'ebetso e nang le liphello tsa tikoloho e tšohloang hamorao. Ithute haholoanyane ka crystallography ea pyrite mona.

Pyrrhotite (Fe1-xS)

Pyrrhotite ke e 'ngoe ea bohlokoa sulfide ea tšepe liminerale tse nang le tšepe e fapaneng, e emeloang ke foromo Fe1-xS, moo x e tlohang ho 0 ho isa ho 0.17. Phapang ena e ama thepa ea eona ea makenete, e etsa mefuta e meng ea makenete ha e meng e se eona. 'Mala oa eona hangata o sootho-o motšo kapa oa boronse,' me hangata o fumanoa o kopane le liminerale tse ling tsa sulfide. Pyrrhotite e bapala karolo ea bohlokoa lits'ebetsong tse itseng tsa jeoloji mme e ka ba mohloli oa bohlokoa oa tšepe le sebabole.

Mackinawite (FeS)

Mackinawite, ferrous sulfide ea tšepe, hangata e fumanoa e le selelekela sa li-sulfide tse ling tsa tšepe, tse etsang tlas'a maemo a tlaase a mocheso. Ke minerale e batlang e sa tsitsa mme e fetoha ka potlako ho ba mefuta e tsitsitseng joalo ka pyrite tlasa maemo a itseng a jeoloji le tikoloho. Ho utloisisa sebopeho sa eona ho thusa ho toloka lits'ebetso tsa sedimentary le ho bolela esale pele boitšoaro ba tšepe libakeng tse fapaneng. Litšobotsi tsa eona li kenyelletsa 'mala o motšo le sebopeho sa kristale sa hexagonal.

Ho thehoa ha Iron Sulfidi

Iron sulfide liminerale li theha ka mekhoa e fapaneng ea jeoloji. Mokhoa o mong o tloaelehileng o kenyelletsa karabelo lipakeng tsa litharollo tse nang le tšepe e ngata le mefuta ea sebabole e qhibilihisitsoeng (mohlala, hydrogen sulfide) libakeng tse anaerobic, joalo ka mekhoabo, mekotla, le maoatle a tebileng a leoatle. Ts'ebetso ea baktheria e ka bapala karolo ea bohlokoa liketsong tsena, ho susumetsa tse itseng sulfide ea tšepe diminerale tse tsholohang. Maqhubu a futhumatsang metsi fatše a leoatle ke sebaka se seng sa bohlokoa bakeng sa sulfide ea tšepe popeho. Maemo a mocheso, khatello, le boteng ba lintho tse ling li susumetsa mofuta oa sulfide ea tšepe thehoa.

Lisebelisoa tsa Iron Sulfidi

Iron sulfide liminerale li na le lisebelisoa tse 'maloa tsa bohlokoa:

  • Tlhahiso ea Sebabole: Pyrite ke mohloli oa bohlokoa oa sebabole bakeng sa indasteri ea lik'hemik'hale, e sebelisetsoang tlhahiso ea sulfuric acid le metsoako e meng e nang le sebabole.
  • Tlhahiso ea tšepe: E itseng sulfide ea tšepe liminerale li sebetsoa joalo ka tšepe ea tšepe. Ts'ebetso ena e kenyelletsa ho tlosa sebabole, e ka bang mohato o thata ka lebaka la litlamorao tsa tikoloho.
  • Mebala: Ho latela nalane, sulfide ea tšepe e 'nile ea sebelisoa e le pigment, le hoja ho se tsitse ha eona moeeng ho fokotsa tšebeliso ea eona lipenteng tsa morao-rao.
  • Catalysis: Litšebelisong tse ling tse khethehileng, iron sulfide e ka sebetsa e le lintho tse susumetsang tšebetso e itseng ea lik'hemik'hale.

Tšusumetso ea Tikoloho

Oxidation ea sulfide ea tšepe liminerale, haholo-holo pyrite, li ka lebisa ho drainage ea acid mine (AMD). Ts'ebetso ena e ntša sulfuric acid le litšepe tse boima tikolohong, e bakang tšilafalo e kholo ea 'mele oa metsi le mobu. Kutloisiso le ho fokotsa AMD ho bohlokoa bakeng sa taolo ea merafo le lisebelisoa tse nang le boikarabelo.

Qetello

Iron sulfide e akaretsa sehlopha sa liminerale tsa bohlokoa tse nang le thepa le lits'ebetso tse fapaneng. Ho tloha ho karolo ea eona lits'ebetsong tsa jeoloji ho isa ts'ebelisong ea eona ea indasteri, ho utloisisa mefuta e fapaneng, sebopeho, le phello ea tikoloho ea sulfide ea tšepe e bohlokoa libakeng tse fapaneng. Lipatlisiso tse ling li tsoela pele ho ntlafatsa kutloisiso ea rona ea sehlopha sena sa bohlokoa sa liminerale.

Iron sulfide Mineral Foromo ea Lik'hemik'hale Mmala
Pyrite FeS2 Bosehla ba Brassy
Pyrrhotite Fe1-xS Brownish-Black kapa Bronze
Mackinawite FeS Ntsho

Tlhokomeliso: Lintlha tse bokelletsoeng ho tsoa mehloling e fapaneng ea jeoloji le liminerale.

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