RO85166B1 - Procedeu de obtinerea concentratelor de platina - Google Patents

Procedeu de obtinerea concentratelor de platina

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Publication number
RO85166B1
RO85166B1 RO109524A RO10952482A RO85166B1 RO 85166 B1 RO85166 B1 RO 85166B1 RO 109524 A RO109524 A RO 109524A RO 10952482 A RO10952482 A RO 10952482A RO 85166 B1 RO85166 B1 RO 85166B1
Authority
RO
Romania
Prior art keywords
platinum
adsorption
mixture
cooling
treatment
Prior art date
Application number
RO109524A
Other languages
English (en)
Other versions
RO85166A2 (ro
Inventor
Mihai Vicol
Bohdan Antoniuc
Original Assignee
COMBINATUL DE îNGRASAMINTE CHIMICE
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 COMBINATUL DE îNGRASAMINTE CHIMICE filed Critical COMBINATUL DE îNGRASAMINTE CHIMICE
Priority to RO109524A priority Critical patent/RO85166B1/ro
Publication of RO85166A2 publication Critical patent/RO85166A2/ro
Publication of RO85166B1 publication Critical patent/RO85166B1/ro

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  • Manufacture And Refinement Of Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Procedeu de obtinere a concentratelor de platina din masele de adsorbtie pe baza de CaO, utilizate la recuperarea pierderilor de metale platinice în procesele de oxidare catalitica a amoniacului cu aer si oxigen, si în care continutul de metal platinic variaza între 0,0005 si 0,05%, conform inventiei, prevede aducerea în contact a maselor de adsorbtie dedurizata, saruri feroase si, dupa racirea cu azotat de amoniu, amestecul de reactie fiind mentinut continuu sub agitare, rezultînd în final, dupa decantare si filtrare, un reziduu cu continut de hidroxid feric, silice si platina continuta în masa de adsorbtie supusa tratarii. în scopul obtinerii unor randamente de 100% de trecere a platinei în concentrat si a optimizarii fluxului tehnologic, se prevede stingerea masei de adsorbtie cu apa dedurizata la un raport S:L = 1:10 si adaugarea în amestec a sarii feroase în proportie de 2% si respectiv dupa racirea azotatului de amoniu în proportie de S:1 fata de cantitatea de masa de adsorbtie supusa tratarii, amestecul fiind agitat continuu timp de 3h pentru separarea cantitativa a concentratului cu continut de platina.
RO109524A 1982-12-29 1982-12-29 Procedeu de obtinerea concentratelor de platina RO85166B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO109524A RO85166B1 (ro) 1982-12-29 1982-12-29 Procedeu de obtinerea concentratelor de platina

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO109524A RO85166B1 (ro) 1982-12-29 1982-12-29 Procedeu de obtinerea concentratelor de platina

Publications (2)

Publication Number Publication Date
RO85166A2 RO85166A2 (ro) 1984-09-29
RO85166B1 true RO85166B1 (ro) 1984-10-30

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ID=20112448

Family Applications (1)

Application Number Title Priority Date Filing Date
RO109524A RO85166B1 (ro) 1982-12-29 1982-12-29 Procedeu de obtinerea concentratelor de platina

Country Status (1)

Country Link
RO (1) RO85166B1 (ro)

Also Published As

Publication number Publication date
RO85166A2 (ro) 1984-09-29

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