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RO118138B1 - Procedeu hidrometalurgic de separare şi recuperare a bismutului - Google Patents

Procedeu hidrometalurgic de separare şi recuperare a bismutului

Info

Publication number
RO118138B1
RO118138B1 RO99-00174A RO9900174A RO118138B1 RO 118138 B1 RO118138 B1 RO 118138B1 RO 9900174 A RO9900174 A RO 9900174A RO 118138 B1 RO118138 B1 RO 118138B1
Authority
RO
Romania
Prior art keywords
bismuth
separating
value
hydrometallurgical process
resulting
Prior art date
Application number
RO99-00174A
Other languages
English (en)
Inventor
Daniela Violeta Dumitrescu
Teodor Velea
Adrian Părpăriţă
Vasile Predica
Original Assignee
S.C. - Imnr - S.A. Institutul De Metale Neferoase Şi Rare
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by S.C. - Imnr - S.A. Institutul De Metale Neferoase Şi Rare filed Critical S.C. - Imnr - S.A. Institutul De Metale Neferoase Şi Rare
Priority to RO99-00174A priority Critical patent/RO118138B1/ro
Publication of RO118138B1 publication Critical patent/RO118138B1/ro

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

Invenţia se referă la un procedeu hidrometalurgic, de separare şi recuperare a bismutului din nămolul anodic rezultat de la rafinarea electrolitică a plumbului. Bismutul din nămolul anodic este solubilizat prin tratare cu HCl, la o valoare a raportului lichid : solid de 2...15:1, în prezenţa unui agent de oxidare. Soluţia rezultată este răcită pentru separarea clorurilor de plumb şi argint şi pentru neutralizarea până la o valoare a pH-ului de 0,8...2. Se îndepărtează SbOCl, apoi se precipită bismutul sub formă de BiOCl, prin neutralizare, până la o valoare a pH-ului de 3,3...5. Precipitatul obţinut este supus topirii pentru obţinerea bismutului brut.
RO99-00174A 1999-02-11 1999-02-11 Procedeu hidrometalurgic de separare şi recuperare a bismutului RO118138B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO99-00174A RO118138B1 (ro) 1999-02-11 1999-02-11 Procedeu hidrometalurgic de separare şi recuperare a bismutului

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO99-00174A RO118138B1 (ro) 1999-02-11 1999-02-11 Procedeu hidrometalurgic de separare şi recuperare a bismutului

Publications (1)

Publication Number Publication Date
RO118138B1 true RO118138B1 (ro) 2003-02-28

Family

ID=64361782

Family Applications (1)

Application Number Title Priority Date Filing Date
RO99-00174A RO118138B1 (ro) 1999-02-11 1999-02-11 Procedeu hidrometalurgic de separare şi recuperare a bismutului

Country Status (1)

Country Link
RO (1) RO118138B1 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102041394A (zh) * 2010-12-30 2011-05-04 郴州市金贵银业股份有限公司 用氯氧铋制取精铋的工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102041394A (zh) * 2010-12-30 2011-05-04 郴州市金贵银业股份有限公司 用氯氧铋制取精铋的工艺

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