Ugbu a, ọtụtụ ụlọ ọrụ nhazi ọlaedo na-eji Sodium cyanide dị ka kemịkalụ mwepụ ọlaedo. Ọtụtụ ndị nwe ebe a na-egwupụta ọlaedo n'ụwa niile na-anabata usoro cyanidation ọlaedo n'ihi usoro ya dị mfe na ọnụego mgbake dị elu.

1. Mee ka ọnụ ahịa dị ike ma melite ogo inye oxygen
Ịbawanye ikuku na mmụba nke ikuku oxygen nwere ike ibelata oriri na-enweghị isi nke cyanide mmiri mmiri . Ugbu a, ọtụtụ ụlọ ọrụ cyanidation ọlaedo na-eji obere nrụgide (0.2mpa) ikuku na-enweghị mmanụ maka ọkọnọ ikuku, olu ọkọnọ ikuku dịkwa n'etiti tankị 0.5-1.0m3/min. Iji melite mma nke ikuku, ị na-etinye obere mkpuchi oghere na njedebe nke paịpụ ọkọnọ ikuku iji mepụta ọtụtụ afụ dị obere dayameta, ma ọ bụ wụnye valvụ nlele iji gbochie azụ azụ.
2. Jikwaa akara ọla kọpa nke raw ore
Ọla kọpa na-eri nnukwu cyanide n'usoro ịchacha. Dịka ọmụmaatụ, ụlọ ọrụ cyanidation ọlaedo nwere ọkwa ọla kọpa nke 0.548% na ọla e ji esi nri, mmanya nne nke ịchacha mbụ nwere 1161mg/L ọla kọpa, nke na-eri 37.6% nke oriri cyanide kwa afọ. N'ihi nnukwu ọdịnaya ọla kọpa nke ihe ngwọta na-agbaze, iji nọgide na-enwe ọrụ ịchacha ọlaedo nke ihe ngwọta ahụ, a ga-amụba mkpokọta Sodium Cyanide na slurry ahụ, nke na-eme ka oriri sodium cyanide dịkwuo elu . Ya mere, ijikwa ọdịnaya ọla kọpa nke ihe ọla kọpa nwere ike ọ bụghị naanị ibelata sodium cyanide na-eri site na ịgbaze ọla kọpa, kamakwa ọ na-ebelata oke mkpokọta sodium cyanide na ihe ngwọta na-agbaze.
Iji belata ọkwa nke ọla kọpa, ị nwere ike ịmalite ya site na flotation ma ọ bụ ụzọ ndị ọzọ, wee leaching gold mgbe ọla kọpa kewara.
3. Jikwaa Ratio nke CN- na O2 ịta na Slurry
N'oge usoro ịcha ọla edo, a ga-agbakwunye ikuku na sodium cyanide iji hụ na ọ na-agbapụta ọla edo. Ọnụ ọgụgụ mgbasa ozi nke ọla edo na ngwọta na-adabere ọ bụghị naanị na ntinye nke CN- na O2 na ngwọta, kamakwa na ntinye nke CN- kwa otu akụkụ ọla edo, ntinye nke gbazere O2. n'elu ebe nke ọla edo na ọkpụrụkpụ nke eletriki okpukpu abụọ.
CN–/O2=4x(Ọnụzụ ikuku oxygen gbasasịa/sodium cyanide mgbasa ọnụọgụ)
=4×(2.76×10-5cm/s ÷1.83×10-5cm/s)=4×1.5=6
Nke a ruru ka a na-akpọ oke etisasịwo ion uru uru nke etisasịwo ọla edo.
Maka ụdị ọla dị iche iche, ọnụ ahịa ya nwere ike gbanwee n'ogo nke 4.6 ruo 7.4 iji chọpụta oke uru kacha mma. Ọ bụrụ na agbakwunyere oke sodium cyanide ma ọ bụ ikuku n'oge usoro ịhịa aka n'ahụ, ọ gaghị eme ka ọnụ ọgụgụ nke ntanye nke ọla edo dịkwuo elu ma mee ka mkpofu. Ya mere, n'ime usoro nchịkọta ọla edo, ọ na-adịkarị mkpa iji nyochaa ma chịkwaa cyanide efu na ikuku oxygen na ngwọta iji mee ka ọnụọgụ abụọ ahụ dị ihe dịka 6.
4. Mepụta usoro onunu ogwu nke Cyanide
Sodium cyanide bụ onye na-ahụ maka oriri nke usoro cyanidation ọla edo. Ya mere, nguzozi nke sodium cyanide dose kwesịrị ka a na-amụ ugboro ugboro. Ihe a na-akpọ cyanide itule na-ezo aka nguzozi n'etiti cyanide na-ahapụ site na ngwọta leaching na oriri nke sodium cyanide n'ezie, nke metụtara usoro ihe ngosi teknụzụ, ụgwọ akụ na ụba, ọgwụgwọ gburugburu ebe obibi na ụgwọ ndị ọzọ.
Na mgbakwunye na nguzobe nke ogige dị iche iche na ogige, mfu nke sodium cyanide na-agụnyekwa mgbasa nke ụrọ sludge, mgbasa ozi nke mineral na ụzọ mgbapụ nke obere hydrogen cyanide. Oriri mbụ kwesịrị ịkọ ihe dịka 90%. Ọ bụrụ na ọ dị ala karịa uru a, ekwesịrị ịsị na ọ dị mma nke sodium cyanide, ihe ndị na-emepụta ihe na-edozi ahụ, na nguzozi mmiri, ma ọ bụ nha na-arụ ọrụ, ma ọ bụ "ịdaba, ntanye, na-agbapụta na ntanye".
5. Njikwa ezi uche Calcium Oxide (CaO) itinye uche
N'ime usoro mmịpụta ọla edo oxidative, a ga-agbakwunye lime. Ma ọ dị oke mkpa idobe mkpokọta calcium oxide kwesịrị ekwesị. Isi ọrụ ya bụ:
CaO nwere ike ịbawanye uru pH nke ngwọta leach, na-ebelata ntinye nke HCN na-emepụta ma belata mgbanwe nke gas HCN.
N'ihi mgbakwunye nke Ca2 + na ngwọta, ọnụọgụ nke ọla kọpa na-ebelata nke ukwuu, na-egbochi ịmepụta Fe (CNS) 4. na ntinye nke CNS-ions na ngwọta na-ebelata. Ca2 + na-egbochi njikọ nke CN- na Cu na S, si otú a na-ebelata oriri nke cyanide nke ọma.
Mgbe nnwale ugboro ugboro, ndị ọkachamara kwenyere na ọ bụ ihe ezi uche dị na ya ịgbakwunye calcium oxide 12 g / kg.
na ngwụcha
Ndị a dị n'elu bụ ụzọ ise iji belata ọnụọgụ sodium cyanide na osisi cyanidation ọla edo. Na mmepụta n'ezie, ọnụ ọgụgụ nke ihe dị iche iche nwere ike gbanwee nke ọma dịka ọnọdụ dị adị iji belata oriri nke sodium cyanide, chekwaa ego, ma belata mmebi nke mmiri mkpofu cyanide na gburugburu ebe obibi.
Ọ bụrụ na ị nwere ajụjụ ọ bụla gbasara ọdịnaya dị n'elu, ma ọ bụ chọọ ịma , ị nwere ike ịkpọtụrụ ndị ahịa n'ịntanetị ma ọ bụ nyefee ozi, anyị ga-akpọtụrụ gị ozugbo enwere ike!
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