Cleaning and liquid contact with solids – Processes – Including work heating or contact with combustion products
Patent
1979-11-14
1981-09-22
Caroff, Marc L.
Cleaning and liquid contact with solids
Processes
Including work heating or contact with combustion products
134 22R, 176 37, B08B 308, B08B 310
Patent
active
042908221
ABSTRACT:
A cold trap incorporated into a liquid metal circuit is cleaned by introducing an alkali metal hydroxide in liquid state into the trap and in excess compared with solubility limits of deposited impurities, then heating the trap to totally transform the impurities into liquid phases and draining off these liquid phases. The cleaning operation is carried out in the absence of water.
REFERENCES:
patent: 3831912 (1974-08-01), Shimoyashiki et al.
patent: 3941586 (1976-03-01), McKee
Maupre Jean-Pierre
Trouve Jean
Caroff Marc L.
Commissariat a l''Energie Atomique
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