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RO93136B1 - Procedeu de obtinere a criolitului - Google Patents

Procedeu de obtinere a criolitului

Info

Publication number
RO93136B1
RO93136B1 RO120390A RO12039085A RO93136B1 RO 93136 B1 RO93136 B1 RO 93136B1 RO 120390 A RO120390 A RO 120390A RO 12039085 A RO12039085 A RO 12039085A RO 93136 B1 RO93136 B1 RO 93136B1
Authority
RO
Romania
Prior art keywords
cryolite
obtaining
temperature
aluminum hydroxide
hydrofluoric acid
Prior art date
Application number
RO120390A
Other languages
English (en)
Romanian (ro)
Other versions
RO93136A2 (fr
Inventor
Calin Gheorghiu
Original Assignee
Institutul De Inginerie Tehnologica Si Proiectare Pentru Industria Chimica
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 Inginerie Tehnologica Si Proiectare Pentru Industria Chimica filed Critical Institutul De Inginerie Tehnologica Si Proiectare Pentru Industria Chimica
Priority to RO120390A priority Critical patent/RO93136B1/ro
Publication of RO93136A2 publication Critical patent/RO93136A2/fr
Publication of RO93136B1 publication Critical patent/RO93136B1/ro

Links

Landscapes

  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
RO120390A 1985-10-15 1985-10-15 Procedeu de obtinere a criolitului RO93136B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO120390A RO93136B1 (ro) 1985-10-15 1985-10-15 Procedeu de obtinere a criolitului

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO120390A RO93136B1 (ro) 1985-10-15 1985-10-15 Procedeu de obtinere a criolitului

Publications (2)

Publication Number Publication Date
RO93136A2 RO93136A2 (fr) 1987-12-30
RO93136B1 true RO93136B1 (ro) 1987-12-31

Family

ID=20118081

Family Applications (1)

Application Number Title Priority Date Filing Date
RO120390A RO93136B1 (ro) 1985-10-15 1985-10-15 Procedeu de obtinere a criolitului

Country Status (1)

Country Link
RO (1) RO93136B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1043033C (zh) * 1994-08-30 1999-04-21 湘乡铝厂 高分子比冰晶石的制造方法

Also Published As

Publication number Publication date
RO93136A2 (fr) 1987-12-30

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