To provide a recovery method and a recovery treatment apparatus for vinyl chloride based resins which enable an efficient long-term continuation operation.
The apparatus 1 recovers a vinyl chloride based resin in waste comprising the vinyl chloride based resin and has a dissolution tank 3 for mixing a solvent which dissolves a vinyl chloride based resin in waste and a waste comprising the vinyl chloride based resin to dissolve the vinyl chloride in the waste in the solvent, a resin deposition tank 5 for depositing the vinyl chloride resin from the vinyl chloride based resin solution to form a slurry containing a deposit, a centrifugal separator 9 for separating and recovering the vinyl chloride based resin from the slurry, and further a crusher 6 for crushing a solid material in the slurry between the resin deposition tank 5 and the centrifugal separator 9.
IDE NORIAKI
| JP2002284920A | 2002-10-03 | |||
| JP2007146045A | 2007-06-14 | |||
| JP2006274101A | 2006-10-12 |
Takao Ito
Jiro Higuchi
Masaru Egawa