RO82858B1 - Procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial - Google Patents

Procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial

Info

Publication number
RO82858B1
RO82858B1 RO104394A RO10439481A RO82858B1 RO 82858 B1 RO82858 B1 RO 82858B1 RO 104394 A RO104394 A RO 104394A RO 10439481 A RO10439481 A RO 10439481A RO 82858 B1 RO82858 B1 RO 82858B1
Authority
RO
Romania
Prior art keywords
plastics
solvent
recovering
extraction medium
industrially usable
Prior art date
Application number
RO104394A
Other languages
English (en)
Other versions
RO82858A2 (ro
Inventor
Octavian Smigelschi Ulisse Niculae
Octavian Floarea
Tanase Dobre
Mihaela Mihai
Paul Vasilescu
Romulus Dima
Valentin Plesu
Ioan Tirea
Original Assignee
Octavian Smigelschi Ulisse Niculae
Octavian Floarea
Tanase Dobre
Mihaela Mihai
Paul Vasilescu
Romulus Dima
Valentin Plesu
Ioan Tirea
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 Octavian Smigelschi Ulisse Niculae, Octavian Floarea, Tanase Dobre, Mihaela Mihai, Paul Vasilescu, Romulus Dima, Valentin Plesu, Ioan Tirea filed Critical Octavian Smigelschi Ulisse Niculae
Priority to RO104394A priority Critical patent/RO82858B1/ro
Publication of RO82858A2 publication Critical patent/RO82858A2/ro
Publication of RO82858B1 publication Critical patent/RO82858B1/ro

Links

Landscapes

  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

Inventia se refera la un procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial, prin dizolvarea masei plastice într-un dizolvant constînd din ciclohexanona sau N-metil pirolidona, contactarea solutiei rezultate cu medii apoase cu sau fara acid acetic de concentratie 30% din care se extrage din faza omogena dizolvantul si precipita masa plastica, separarea masei plastice precipitate prin filtrare si spalarea acesteia cu mediul apos de extractie, prin care, în scopul simplificarii fluxului tehnologic si al recuperarii simultane a masei plastice si plastifiantului, se extrage dizolvantul prin distilare simpla pîna la temperatura de 100...160 degree C, dintr-un mediu apos de extractie reprezentînd 60...200% în greutate din cantitatea de dizolvant.
RO104394A 1981-05-25 1981-05-25 Procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial RO82858B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO104394A RO82858B1 (ro) 1981-05-25 1981-05-25 Procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO104394A RO82858B1 (ro) 1981-05-25 1981-05-25 Procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial

Publications (2)

Publication Number Publication Date
RO82858A2 RO82858A2 (ro) 1984-04-02
RO82858B1 true RO82858B1 (ro) 1984-04-30

Family

ID=20109990

Family Applications (1)

Application Number Title Priority Date Filing Date
RO104394A RO82858B1 (ro) 1981-05-25 1981-05-25 Procedeu de recuperare a maselor plastice din deseuri neutilizabile industrial

Country Status (1)

Country Link
RO (1) RO82858B1 (ro)

Also Published As

Publication number Publication date
RO82858A2 (ro) 1984-04-02

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