Inert carrier drying and coating apparatus

Details Inert carrier drying and coating apparatus Inert carrier drying and coating apparatus

1978-08-23

1981-01-20

Padgett, Benjamin R.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

For radioactive reactant or product

159 47WL, 159DIG12, 159DIG33, 2523011W, 422903, 427 5, 427220, 427221, G21F 908, G21F 916

Patent

active

042462339

ABSTRACT:
An inert carrier process for drying radioactive waste material and for incorporating the dry material into a binder from which the dried material will not be leached is disclosed. In this process, a hot inert liquid carrier is provided into which the solution to be dried is introduced under extremely turbulent conditions. The solvent flashes off leaving the dried particles dispersed in the inert carrier which carries these particles to a mixing station where a binder for the particles is injected under turbulent conditions. The binder preferentially wets the particles and the coated particles are carried to a separator section where the binder coated particles coalesce and separate from the carrier as a second phase. Thereafter a curing agent can be added to the binder.

REFERENCES:
patent: 1997980 (1935-04-01), Smith
patent: 2417131 (1947-03-01), Schmitt
patent: 3022149 (1962-02-01), Cramer
patent: 3544360 (1970-12-01), Gardner
patent: 3838061 (1974-09-01), Cuaz et al.
patent: 4119560 (1978-10-01), Sheeline
patent: 4123380 (1978-10-01), Norell

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