Process for cleaning comminuted plastic material

Details Process for cleaning comminuted plastic material Process for cleaning comminuted plastic material

1976-06-10

1978-02-14

Bashore, S. Leon

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 19, 134 25R, 134182, 134183, 264 37, B08B 312

Patent

active

040736610

ABSTRACT:
A continuous process for cleaning and preparing grossly soiled products of plastic material, such as sheets, bands, sacks or the like for subsequent re-use, in which the plastic material is comminuted after removing rough foreign objects therefrom, whereafter the comminuted plastic material is fed into a washing solution having a greater specific weight than the plastic material and subjected together with the washing solution in a washing zone to turbulence, transferred to a turbulence-free zone containing washing solution by passage under a submerged edge of a partition submerged in the washing solution and separating the washing zone from the turbulence--free zone, and thereafter subjected first to mechanical and then to a thermal drying operation.

REFERENCES:
patent: 2845936 (1958-08-01), Boynton et al.
patent: 3222221 (1965-12-01), Branson
patent: 3433669 (1969-03-01), Kouril
patent: 3849196 (1974-11-01), Halloway et al.

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