Sodium Cyanide muLeaching process yeArsenic-Bearing Ores

Munyaya yekugadzirisa zvicherwa, kubvisa simbi dzinokosha kubva mumatombo kunowanzo kukonzera matambudziko makuru, kunyanya kana uchibata nematombo akaomarara akadai seane arsenic. Matombo ane arsenic ane matambudziko nekuda kwekusanzwisisa kwawo kwakaoma uye njodzi dzinogona kuitika kune zvakatipoteredza uye hutano dzine chekuita ne arsenic. Cyanidation, nzira inoshandisa sodium cyanide , yagara iri nzira yechinyakare uye inoshandiswa zvakanyanya pakubvisa goridhe kubva mumatombo akadaro. Iyi blog post inoongorora kushandiswa kweSodium Cyanide mukubvisa matombo ane arsenic, ichiongorora misimboti yayo, matambudziko, uye kufunga nezvezvakatipoteredza.

Iyo yakaoma yeArsenic-Inobereka Ores

Mukuchera goridhe, marara emvura anowanikwa kakawanda uko goridhe rinocherwa nesulfides uye makemikari esimbi dzesimbi, arsenic, antimony, kana tellurium. Rudzi urwu rwemineralization runoita kuti zviome kuwana goridhe uchishandisa nzira dzechinyakare dzakadai sekubatanidza, kupatsanura simba remagetsi, kana direct cyanidation . Arsenic, kunyanya, inogona kukanganisa maitiro ekubvisa cyanide . Semuenzaniso, panguva yekugocha uye kuomesa goridhe, arsenic chinhu chikuru chinokanganisa chiyero chekubvisa cyanide chegoridhe nesirivha. Sezvo huwandu hwearsenic mugoridhe huchikwira, chiyero chekubvisa goridhe nesirivha uchishandisa Sodium cyanide chinoderera zvishoma nezvishoma.

Misimboti yeCyanide Leaching neSodium Cyanide

Iyo cyanide leaching process ine sodium cyanide inotsamira pakugona kweiyo cyanide ion kuumba yakagadzika macomplexes negoridhe. Muchirevo che arsenic-bearing ores, kuvapo kwe arsenic minerals kunokanganisa iyi nzira. Arsenopyrite, yakajairika arsenic-inotakura mineral mugoridhe ores, inogona kuita ne cyanide uye oksijeni. Kana arsenopyrite ichiiswa oxidized mune alkaline svikiro, inoburitsa zvinhu zvinogona kutakurwa kubva kune reaction surface nekusuduruka. Nekudaro, iyo oxidation inoumbawo chinhu chinogona kugadzira dhizaini pamusoro peiyo isina kubatwa arsenopyrite, iyo inotadzisa iyo leaching maitiro.

Mafungiro muLeaching process

Kufungidzira

Pamusana pezvinetso zvinounzwa nearsenic-bearing ores, pretreatment inowanzodiwa. Kugocha yaimbove nzira yakajairika yekugadzirira, asi muUnited States, kugochwa kwemaminerari ane arsenic senge arsenopyrite hakuchagamuchirwi nekuda kwemitemo yakasimba yezvakatipoteredza pamusoro pekubuda kwearsenic. Pane kudaro, mamwe maitiro e-hydrometallurgical, akadai sekumanikidza oxidation, biological oxidation, uye makemikari oxidation, ari kuongororwa.

Leaching Conditions

Leaching mamiriro, anosanganisira pH, tembiricha, cyanide concentration, uye kushushikana, kwakakosha. Kuomarara kwegoridhe ine cyanide kunowanzoitika mukati mepH ye9 - 12. uye ongororo dzakaratidza kuti pH yakatenderedza 11 inowanzoenderana necyanidation system. Tembiricha inokanganisa chiyero chekuita, uye mune dzimwe nzira dziri kubuda dzekurapa goridhe-inotakura arsenopyrite, tembiricha yakaderera inogona kushandiswa. Cyanide concentration inofanira kunyatsodzorwa; kukwirisa kwakanyanya kunogona kuwedzera mwero weleaching asi zvakare kukonzeresa njodzi dzakakura dzezvakatipoteredza nekuchengetedza.

Chikamu Chemahara

Iyo particle size ye ore sampuli inokanganisawo chiyero cheleaching. Kazhinji, saizi yakatsetseka inotungamira kune yakakwira goridhe leaching mareti sezvo vachipa yakakura nzvimbo yekuita. Nekudaro, kuwana yakanyanya kunaka particle saizi kungada rimwe simba uye matanho ekugadzirisa.

Zvezvakatipoteredza uye Kuchengetedzwa Zvinonetsa

Cyanide chinhu chine muchetura zvakanyanya, uye kushandiswa kwayo muindasitiri yezvicherwa kunosimudza zvakanyanya kunetsa kwezvakatipoteredza nekuchengetedza. Sodium cyanide waste liquid inogona kukonzera akasiyana mazinga ekusvibiswa kwezvakatipoteredza. Kana cyanide yadeuka, inogona kusvibisa ivhu, matsime emvura, uye kukuvadza mhuka dzesango. Naizvozvo, matanho akasimba ekuchengetedza anoitwa panguva yekuchengetedza, kutakura, uye kushandiswa kwesodium cyanide. Inofanira kuchengetwa munzvimbo inofefetera uye yakaoma, zviri nani mune yakakosha imba yekuchengetera kana kabati ine makiyi maviri. Nguva dzose kuongorora uye kugadzirisa kunodiwa panguva yekuchengetedza, uye kutonhora uye hunyoro hwenzvimbo yekuchengetedza zvinoda kudzorwa.

Zvimwe uye Maonero Anouya

Tichifunga nezvematambudziko uye njodzi dzine chekuita nekushandiswa kwecyanide, kune kuwedzera kufarira mukugadzira dzimwe nzira dzekubvisa goridhe kubva kune arsenic-inobereka ores. Non-cyanide leaching agents, senge thiosulfate, thiourea, uye mamwe anochengetedza organic reagents, ari kuferefetwa. Zvakare, kufambira mberi kwehunyanzvi hwekugadzirisa matekinoroji uye maitiro ekuwedzera anoshanda anotarisirwa kuvandudza kudzoreredza goridhe kubva kune arsenic-inobereka ores uku ichideredza kukanganisa kwezvakatipoteredza.

Mukupedzisa, kunyange hazvo sodium cyanide ichiramba iri chinhu chakakosha mukubviswa kwematombo ane arsenic kuti abudiswe goridhe , indasitiri iyi iri kuramba ichichinja kuti igadzirise matambudziko anokonzerwa nayo. Nekunzwisisa kudyidzana kwakaoma mukushandiswa kwekubviswa kwegoridhe, kushandisa matanho akakodzera ekuchengetedza uye ezvakatipoteredza, uye kutsvaga mamwe matekinoroji, indasitiri yemigodhi inogona kuedza nzira dzekubvisa dzinogara kwenguva refu uye dzinoshanda.