RO87985B1 - Procedeu de obtinere a oxidului mangano manganic - Google Patents

Procedeu de obtinere a oxidului mangano manganic

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Publication number
RO87985B1
RO87985B1 RO112751A RO11275183A RO87985B1 RO 87985 B1 RO87985 B1 RO 87985B1 RO 112751 A RO112751 A RO 112751A RO 11275183 A RO11275183 A RO 11275183A RO 87985 B1 RO87985 B1 RO 87985B1
Authority
RO
Romania
Prior art keywords
mangano
obtaining
manganese oxide
manganese
hydroxide
Prior art date
Application number
RO112751A
Other languages
English (en)
Other versions
RO87985A2 (ro
Inventor
Jack Goldstein
Erna Bordas
Liviu Filip
Alexandru Varga
Original Assignee
Institutul De Cercetare Inginerie Tehnologica Proiectare Si Productie Pentru Industria Anorganica Si Metale Neferoase Unitatea Pentru Metalurgie Neferoasa
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 Institutul De Cercetare Inginerie Tehnologica Proiectare Si Productie Pentru Industria Anorganica Si Metale Neferoase Unitatea Pentru Metalurgie Neferoasa filed Critical Institutul De Cercetare Inginerie Tehnologica Proiectare Si Productie Pentru Industria Anorganica Si Metale Neferoase Unitatea Pentru Metalurgie Neferoasa
Priority to RO83112751A priority Critical patent/RO87985A2/ro
Publication of RO87985B1 publication Critical patent/RO87985B1/ro
Publication of RO87985A2 publication Critical patent/RO87985A2/ro

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Abstract

Inventia se refera la un procedeu de obtinere a oxidului mangano-manganic, care folosind ca materie prima carbonatul de mangan, acesta este supus solubilizarii cu acid azotic, la pH = 0,5...1,0 urmata de precipitarea hidroxidului de mangan cu solutii de hidroxid de amoniu 20%, la pH = 7,5...8,0 si de calcinarea hidroxidului de mangan la 600...650 degree C.
RO83112751A 1983-12-06 1983-12-06 Procedeu de obtinere a oxidului mangano manganic RO87985A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO83112751A RO87985A2 (ro) 1983-12-06 1983-12-06 Procedeu de obtinere a oxidului mangano manganic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO83112751A RO87985A2 (ro) 1983-12-06 1983-12-06 Procedeu de obtinere a oxidului mangano manganic

Publications (2)

Publication Number Publication Date
RO87985B1 true RO87985B1 (ro) 1985-10-31
RO87985A2 RO87985A2 (ro) 1985-11-30

Family

ID=20113957

Family Applications (1)

Application Number Title Priority Date Filing Date
RO83112751A RO87985A2 (ro) 1983-12-06 1983-12-06 Procedeu de obtinere a oxidului mangano manganic

Country Status (1)

Country Link
RO (1) RO87985A2 (ro)

Also Published As

Publication number Publication date
RO87985A2 (ro) 1985-11-30

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