RO80811B1 - Membrana filtranta si procedeu de realizare a acesteia - Google Patents

Membrana filtranta si procedeu de realizare a acesteia

Info

Publication number
RO80811B1
RO80811B1 RO89891A RO8989177A RO80811B1 RO 80811 B1 RO80811 B1 RO 80811B1 RO 89891 A RO89891 A RO 89891A RO 8989177 A RO8989177 A RO 8989177A RO 80811 B1 RO80811 B1 RO 80811B1
Authority
RO
Romania
Prior art keywords
filtering membrane
making
same
acid
resistant
Prior art date
Application number
RO89891A
Other languages
English (en)
Other versions
RO80811A2 (ro
Inventor
Puiu Petru Paul
Lucian Borduz
Original Assignee
Institutul De Cercetari Si Proiectari Pentru Minereuri Si 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 Cercetari Si Proiectari Pentru Minereuri Si Metalurgie Neferoasa filed Critical Institutul De Cercetari Si Proiectari Pentru Minereuri Si Metalurgie Neferoasa
Priority to RO89891A priority Critical patent/RO80811B1/ro
Publication of RO80811A2 publication Critical patent/RO80811A2/ro
Publication of RO80811B1 publication Critical patent/RO80811B1/ro

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Inventia se refera la o membrana filtranta si este constituita dintr-un strat format dintr-o netesuta din material rezistent la acizi si temperatura, îmbibata cu un amestec format din rasina fenolformaldehidica: acid benzensulfonic si apa în raport 1:0,2-0,8:0,2-0,8 parti greutate si la un procedeu pentru realizarea acesteia.
RO89891A 1977-04-02 1977-04-02 Membrana filtranta si procedeu de realizare a acesteia RO80811B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO89891A RO80811B1 (ro) 1977-04-02 1977-04-02 Membrana filtranta si procedeu de realizare a acesteia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO89891A RO80811B1 (ro) 1977-04-02 1977-04-02 Membrana filtranta si procedeu de realizare a acesteia

Publications (2)

Publication Number Publication Date
RO80811A2 RO80811A2 (ro) 1984-05-12
RO80811B1 true RO80811B1 (ro) 1984-06-30

Family

ID=20097543

Family Applications (1)

Application Number Title Priority Date Filing Date
RO89891A RO80811B1 (ro) 1977-04-02 1977-04-02 Membrana filtranta si procedeu de realizare a acesteia

Country Status (1)

Country Link
RO (1) RO80811B1 (ro)

Also Published As

Publication number Publication date
RO80811A2 (ro) 1984-05-12

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