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Lo mhlahlandlela ophelele uhlola umhlaba othakazelisayo we i-iron sulfide yethusi, ichaza izici zayo zamakhemikhali, ukusetshenziswa okuhlukahlukene kuzo zonke izimboni ezihlukahlukene, nezenzakalo ezivamile zokuma komhlaba. Funda ngesakhiwo sayo, ukusebenza kabusha, kanye neqhaza elibalulekile eliyidlalayo emikhakheni eyahlukene.
I-Copper iron sulfide, evame ukutholakala emvelweni njengengxube yamaminerali, akuyona into eyodwa, echazwe ngamakhemikhali amakhemikhali. Kunalokho, libhekisela eqenjini lama-sulfide aqukethe izilinganiso ezihlukene zethusi nensimbi, eduze nesibabule. Izibonelo zamaminerali ezijwayelekile zifaka i-chalcopyrite (CuFeS2), bornite (Cu5I-FeS4), kanye neCubanite (CuFe2S3). Lawa maminerali abonisa izakhiwo zekristalu ezihlukene, ezithonya izakhiwo zabo zomzimba namakhemikhali. I-Chalcopyrite, isibonelo, inesakhiwo se-tetragonal, kuyilapho i-bornite ibonisa isakhiwo se-cubic.
Ukusebenza kabusha kwe i-iron sulfide yethusi amaminerali ayahlukahluka kuye ngokuthi ukwakheka okukhethekile kanye nesigaba samaminerali. Ngokuvamile, zingenwa kalula yi-oxidation, ikakhulukazi lapho kukhona umoya-mpilo kanye nomswakama. Le nqubo ye-oxidation ingaholela ekwakhekeni kwe-copper ne-iron oxides ehlukahlukene kanye nama-sulfate, okungenzeka akhiphe izixazululo ezine-asidi ezifaka isandla ekukhathazekeni kwemvelo. Ukusabela okunembile kanye ne-kinetics kuncike ezintweni ezifana nezinga lokushisa, i-pH, nokuba khona kwezinye izakhi.
Uhlelo lokusebenza olubaluleke kakhulu lwe i-iron sulfide yethusi amaminerali asekukhishweni kwethusi. I-Chalcopyrite, ikakhulukazi, iwumthombo omkhulu wethusi emhlabeni wonke. Izinqubo zokukhipha ngokuvamile zihlanganisa ukuntanta, ukuncibilika, nokucwengwa ukuze kuhlukaniswe ithusi kwezinye izakhi. Ukusebenza kahle kanye nokusimama kwalezi zinqubo kubalulekile embonini yethusi futhi zihlala zithuthukiswa. I-Inner Mongolia Xinxin Silicon Industry Co.,Ltd ungumdlali obalulekile ekuthuthukisweni kwezinto ezithuthukisiwe ngezicelo zethusi.
Ngaphandle kokukhiqizwa kwethusi, i-iron sulfide yethusi amaminerali athola izinhlelo zokusebenza ze-niche kwezinye izimboni. Isibonelo, amanye ama-sulfide ahlolwa ukuze asetshenziswe ekukhiqizeni ama-alloys athile ngenxa yezakhiwo zawo eziyingqayizivele ze-metallurgical. Ucwaningo mayelana nokusetshenziswa kwalawa mamineral ezinqubweni ezithile ze-catalytic nalo luyaqhubeka.
Abaningi i-iron sulfide yethusi ama-deposit akhiwa ngezinqubo ze-hydrothermal. Uketshezi olushisayo, olunothe ngamaminerali luzungeza oqweqweni Lomhlaba, lufaka ama-sulfide ahlukahlukene emithanjeni, ezindaweni ezisabalalisiwe, noma emizimbeni emikhulu ye-sulfide. Ukuqonda umongo wokwakheka komhlaba walezi zidiphozithi kubalulekile ukuze kuhlolwe kahle kanye nokumbiwa kwezimayini.
Ama-sedimentary deposits e-copper iron sulfide akhona, avame ukuhlotshaniswa namatshe e-sedimentary kanye nama-black shales. Lawa madiphozi ngokuvamile aqukethe ingxube yamaminerali e-sulfide ahlukene, abonisa izinqubo eziyinkimbinkimbi ze-geochemical ezihilelekile ekwakhekeni kwawo.
Ukumbiwa kanye nokucutshungulwa kwe i-iron sulfide yethusi amaminerali angaba nomthelela omkhulu kwezemvelo. Ukugeleza kwe-asidi emayini, okubangelwa i-oxidation yama-sulfide, kuyinkinga enkulu. Amasu okunciphisa abalulekile ukuze kuncishiswe imiphumela engemihle kwezemvelo kanye nokuqinisekisa ukuphathwa ngendlela efanele kwezinsiza. Ucwaningo oluqhubekayo kanye nokuqanjwa okusha kulo mkhakha kuyaqhubeka nokufuna izixazululo zokusimama okuthuthukisiwe.
| Amaminerali | I-Chemical Formula | Isakhiwo Sekristalu | Okuqukethwe Kwethusi (%) |
|---|---|---|---|
| I-Chalcopyrite | I-CuFeS2 | I-Tetragonal | 34.6 |
| I-Bornite | Cu5I-FeS4 | I-Cubic | 63.3 |
| UmCubani | CuFe2S3 | I-Orthorhombic | 25.0 |
Qaphela: Amaphesenti wokuqukethwe kwethusi ayalinganiselwa futhi angahluka kuye ngesampula ethile.
Lolu lwazi lwenzelwe izinjongo zemfundo kuphela. Hlala uthintana nochwepheshe abaqeqeshiwe nganoma yiziphi izicelo ezithile noma ukukhathazeka okuhlobene i-iron sulfide yethusi.