Oriri Cyanide na Usoro Cyanidation ọla edo

UnitedChemicals04-01-2025ngwa17590

Oriri Cyanide na Gold Cyanidation Usoro ọla edo cyanidation sodium cyanide mmịpụta sulfide mineral Nke 1 foto.

Usoro cyanidation bụ isi ihe dị mkpa n'iwepụta ọlaedo site na ihe ndị dị na ya. Ịghọta oriri nke sodium cyanide n'oge usoro a dị oke mkpa maka ime ka arụmọrụ ọrụ dịkwuo mma ma belata mmetụta gburugburu ebe obibi. Isiokwu a na-enyocha usoro dị iche iche na-enye aka na oriri nke Sodium Cyanide na usoro cyanidation ọlaedo.

1. Autodecomposition

Sodium cyanide na-agbawa onwe ya n'oge usoro cyanidation. Nke a na-eme ka carbonic acid, formic acid, na ammonia mepụta. Mmeghachi omume autodecomposition nwere ike ịdị mgbagwoju anya ma ihe ndị dị ka okpomọkụ, ntinye uche, na ọnụnọ nke ụfọdụ ihe na-akpali akpali na-emetụta ya.

2. Hydrolysis

Mmiri nke Sodium cyanide bụ ụzọ ọzọ dị mkpa isi eri ya. Mmeghachi omume dị n'etiti mmiri na sodium cyanide bụ dịka ndị a:

( H2O + NaCN HCN + NaOH )

A na-emepụta hydrogen cyanide (HCN), ihe na-agbanwe agbanwe ma na-egbu egbu, n'oge hydrolysis a. Ọnụọgụ HCN emepụtara nwere njikọ chiri anya na alkalinity nke ngwọta ahụ. Mgbe a na-ejigide uru pH na 12 ma ọ bụ karịa, ngwọta cyanide na-anọgide na-adịgide adịgide. Agbanyeghị, ihe ndị nwere ike ibelata uru pH, dị ka carbon dioxide site na ikuku, asịd dị na mmiri etemeete, divalent magnesium ion ( Mg2+ ) na trivalent aluminum ion ( A13+ ), na ọtụtụ mineral dị na ore ma ọ bụ ngwaahịa oxidation nke mineral sulfide , nwere ike ime ka mmeghachi omume hydrolysis dịkwuo ngwa ngwa.

3. Nhazi nke Thiocyanate

Sodium cyanide na-emeghachi omume na mineral sulfide dịka ígwè, ọla kọpa, na arsenic iji mepụta mgbagwoju anya thiocyanate. Mmeghachi omume ndị a na-agbanwe ion cyanide ka ọ bụrụ ụdị ndị na-anaghị arụ ọrụ nke ọma, na-ebelata ọnụọgụ cyanide efu dị maka mwepụta ọlaedo . Nhazi nke mgbagwoju anya thiocyanate ndị a abụghị naanị na ọ na-eme ka oriri cyanide dịkwuo elu kamakwa ọ na-emetụta arụmọrụ zuru oke nke usoro cyanidation ọlaedo.

Ịghọta usoro oriri ndị a na-enye nghọta bara uru maka ndị na-arụ ọrụ na ụlọ ọrụ na-egwupụta ọla edo. Site n'iji nlezianya nyochaa na ịchịkwa ọnọdụ nke usoro cyanidation, ọ ga-ekwe omume ibelata oriri cyanide, melite ọnụego mgbake ọla edo, ma belata akara gburugburu ebe obibi nke ọrụ ngwuputa ọla edo.

  • Ọdịnaya enweghị usoro
  • Ọdịnaya na-ekpo ọkụ
  • Ọdịnaya nyochaa na-ekpo ọkụ

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