B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 9/02 (2006.01)
Patent
CA 2297126
The present invention relates to the techniques of treating a liquid material to be treated, which enables efficient fractional removal of toxic materials such as PCB in a liquid mixture. The treatment method of the invention comprises the step of permitting a liquid material containing materials having different solidifying points to be cooled at a temperature at which desired material(s) is solidified while others are not solidified and the step of separating the solidified material from other liquid materials whereby the desired material is separated, and therefore large facilities are not necessary and toxic materials can be reliably separated and removed.
Technique permettant de traiter une substance liquide non traitée, qui peut séparer et éliminer efficacement des substances nocives telles que du PCB présentes dans un mélange liquide. Spécifiquement, un procédé de traitement comporte une étape de refroidissement d'une substance liquide non traitée contenant une substance à séparer ayant un point de solidification différent à une température à laquelle la substance à séparer se solidifie, mais pas les autres constituants, et une étape de séparation de la substance à séparer par séparation de la substance solidifiée des autres constituants liquides, ce qui n'exige pas d'équipement de grande envergure et permet la séparation positive et l'élimination de substances nocives.
Hanya Toshio
Marks & Clerk
Niigata Universal Science Development Co. Ltd.
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