Hua tahaki pyrite te i roto i nga whenua maha

Pyrite - te ingoa o te rōpū o ngā kohuke, e he pūhui o konganuku i te rōpū o te tine, nika, rino, konukurahina, konukawata. kia te pūhui rite whanariki me te ateneke, me te kakano-selenium ranei.

Calcination pyrite kōrero e te feedstock he marama i roto i te tae, umeraa konganuku, pakeke o i 3 ki te 7. Ko te rino pyrite rino (FeS2 tātai) ranei, hoki e mohiotia ana pyrite, ko te tino rauemi raw ahumahi i nei te hāorarua whanariki (i roto i te hanga pūtau). I roto i te ahua, i te kohuke ko te papatipu o tioata iti o te puka tika o kowhai-hina i roto i te tae ki te pakeke o 6-6.5. Composition pyrite parakore e pā ana ki 47 ōrau rino, me te pā ana ki 53 ōrau whanariki Kei roto.

pyrites Calcination tahi e te wahi o te maha o tauhohe matū, te tuatahi o e whakarato mō te roha o te sulfide kohuke rino, me te whanariki i roto i te āhua kohu (pāmahana e pā ana ki 500 C). E ngingihatia Na kohu whanariki, hoatu whanariki hāorarua, me te rino waikura sulfide ranei homai waikura whakauru. Ai tahu pūngāwhā te incompletely, hanga he "rama," e ai ngā matū fayalite me ētahi atu, i runga i nga poke i roto i te feedstock rānei.

kia hua pyrites Calcination i roto i te wāhanga hau he nui etahi o SO3, admixed ki SO2. Tenei taonga mahi i runga i te ara i te waikura taputapu, pera ki te whakaiti i te pāmahana hau SO3 i te putanga o te taputapu oumu kia kia e pā ana ki 850S, a ka hohoro maturuturu ki 400C.

mahi tahaki pyrite te i roto i nga whenua maha, kia rite ki no tenei tūemi ki te noa. I roto i Russia, keri tenei kohuke i roto i te whenua Soymenskoy, Kalitvinskom mara, e pā ana ki Kushva, otaota minita i roto i te Caucasus, i roto i nga rohe Ryazan ko Smolensk, a i roto i era atu wahi. Abroad, rawa rongonui putunga Spanish (rawa Aguas Tenidas te wahi e kore e te rauemi i roto i parahi, engari kua he ihirangi whanariki teitei) Kei te atu nana i roto i te whanaketanga o te US, France, Norway, Sweden. pyrites pungatara i roto i te āhua maha admixed momo ateneke o te taonga, e whakarato ana te poke rawa kino i roto i te hanga i roto i te pūtau. Na reira, tamata kaiwhakanao ki te whakamahi i ngā rauemi raw parakore. Hei tauira, te wheketere Russian i St. Petersburg, mahi i roto i pyrites Swedish.

hanga rīhi o pyrites rino (me te whanariki) i roto i oumu, i reira whangai te rauemi raw te roto i te tīwiri pupuha ranei. I tua atu, kua konatunatua reira ki te papatipu o te rauemi totoka i te mea i roto i te whakahiato kē (i roto i te moenga fluidized i runga i te pae kupenga, i raro i tukua te hau i raro nei), i muri i nei te tauhohe matū puta, hoatu hau (nekehia atu) me te rama (ringihia putorino tetahi wahi motuhake). i te wera i te taikaha oumu nekehia atu e huānga tautauā wai hoki.

ka kia angitu Calcination pyrite ki he feunga tiketike te mata whakapā ki te kai rangi. Na reira, tukatuka te kohuke maha ki te kāwanatanga heke (i roto i te oumu e tika ana), ka ko na iti e te hāora ngāwari te ô i roto i te papatipu o te taonga te rahi matūriki. I tua atu, he nui te mana pāmahana no te mea Kei te maha kohuke i roto i tenei piha sintered i pāmahana i runga 900 C. I roto i te tikanga ki te whakaoti i te rapanga e whakamahia hoki rite te ranunga puehu-rangi tukatuka, e taea tīmata rauemi ki te tahu i te pāmahana ki runga ki te 1000 C, e whakapiki i hanga pai.