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Esi sikhokelo sibanzi sihlola ihlabathi elinomdla le i-iron sulfide yobhedu, inika iinkcukacha ngeempawu zayo zekhemikhali, ukusetyenziswa okwahlukeneyo kumashishini ahlukeneyo, kunye neziganeko eziqhelekileyo zokwakheka komhlaba. Funda malunga nokwakheka kwayo, ukusebenza kwakhona, kunye nendima ebalulekileyo eyidlalayo kwiinkalo ezahlukeneyo.
I-sulfide yobhedu yentsimbi, edla ngokufunyanwa kwindalo njengomxube weeminerali, ayikho enye, i-chemical compound echazwe. Endaweni yoko, ibhekisa kwiqela le-sulfide equlethe imilinganiselo eyahlukeneyo yobhedu nentsimbi, ecaleni kwesulfure. Imizekelo eqhelekileyo yezimbiwa iquka i-chalcopyrite (CuFeS2), bornite (Cu5FeS4), kunye neCubanite (CuFe2S3). Ezi zimbiwa zibonisa izakhiwo ezahlukeneyo zekristale, ezichaphazela iipropati zabo zomzimba kunye neekhemikhali. I-Chalcopyrite, umzekelo, inesakhiwo se-tetragonal, ngelixa i-bornite ibonisa isakhiwo se-cubic.
Ukuphinda kusebenze kwe i-iron sulfide yobhedu iiminerali ziyahluka ngokuxhomekeka ekubunjweni okuthe ngqo kunye nesigaba samaminerali. Ngokuqhelekileyo, ziyakwazi ukuxhamla kwi-oxidation, ngakumbi xa kukho i-oxygen kunye nokufuma. Le nkqubo ye-oxidation ingakhokelela ekubunjweni kweentlobo ezahlukeneyo zobhedu kunye ne-iron oxides kunye ne-sulfates, ezinokukhupha izisombululo ze-acidic ezifaka isandla kwiinkxalabo zokusingqongileyo. Iimpendulo ezichanekileyo kunye neekinetics zixhomekeke kwizinto ezifana nobushushu, i-pH, kunye nobukho bezinye izinto.
Olona setyenziso lubalulekileyo lwe i-iron sulfide yobhedu iiminerali ziselutsalweni lobhedu. I-Chalcopyrite, ngokukodwa, ngumthombo omkhulu wobhedu emhlabeni jikelele. Iinkqubo zokutsalwa zibandakanya ukudada, ukunyibilikiswa, kunye nokucokisa ukwahlula ubhedu kwezinye izinto. Ukusebenza kakuhle kunye nokuzinza kwezi nkqubo zibalulekile kushishino lobhedu kwaye zihlala ziphuculwa. I-Inner Mongolia i-Xinxin Silicon Industry Co.,Ltd ngumdlali obalulekileyo ekuphuhliseni izinto eziphambili kunye nezicelo zobhedu.
Ngaphandle kwemveliso yobhedu, i-iron sulfide yobhedu iiminerali zifumana izicelo ze-niche kwamanye amashishini. Ngokomzekelo, ezinye ii-sulfide zijongwa ukuze zisetyenziswe ekuveliseni ii-alloys ezithile ngenxa yeempawu zazo ezikhethekileyo zetsimbi. Uphando malunga nokusetyenziswa kwezi zimbiwa kwiinkqubo ezithile ze-catalytic nazo ziyaqhubeka.
Abaninzi i-iron sulfide yobhedu iidiphozithi zenziwe ngeenkqubo ze-hydrothermal. Ulwelo olushushu, olutyebile ngeminerali lujikeleza kuqweqwe loMhlaba, lufaka iisulfide ezahlukeneyo emithanjeni, kwiidiphozithi ezisasaziweyo, okanye imizimba yesulfide enkulu. Ukuqonda imeko yokwakheka komhlaba kwezi diphozithi kubalulekile kuphononongo olusebenzayo kunye nokwembiwa kwemigodi.
I-Sedimentary deposits ye-copper iron sulfides zikhona, zihlala zinxulunyaniswa namatye entlenga kunye ne-black shales. Ezi diphozithi zihlala ziqulethe umxube weeminerali ezahlukeneyo ze-sulfide, ezibonisa iinkqubo ezinzima ze-geochemical ezibandakanyekayo ekubunjweni kwazo.
Ukwembiwa kunye nokusebenza kwe i-iron sulfide yobhedu iiminerali zinokuba neempembelelo ezibalulekileyo zokusingqongileyo. I-Acid mine drainage, ephuma kwi-oxidation ye-sulfides, yinkxalabo enkulu. Amaqhinga okunciphisa abalulekile ekunciphiseni iziphumo ezibi kokusingqongileyo nokuqinisekisa ulawulo olunenkathalo lwezibonelelo. Uphando oluqhubekayo kunye nezinto ezintsha kule nkalo zifuna ngokuqhubekayo izisombululo zokuzinza okuphuculweyo.
| Izimbiwa | Ifomula yeMichiza | Ulwakhiwo lweCrystal | Umxholo wobhedu (%) |
|---|---|---|---|
| I-Chalcopyrite | CuFeS2 | I-Tetragonal | 34.6 |
| Bornite | Cu5FeS4 | Cubic | 63.3 |
| UmCuban | CuFe2S3 | Orthorhombic | 25.0 |
Qaphela: Iipesenteji zesiqulatho sobhedu ziqikelelwe kwaye zinokwahluka ngokuxhomekeke kwisampulu ethile.
Olu lwazi lulungiselelwe iinjongo zemfundo kuphela. Soloko udibana neengcali eziqeqeshiweyo kuzo naziphi na izicelo ezithile okanye iinkxalabo ezinxulumene nazo i-iron sulfide yobhedu.
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