Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1977-05-03
1978-07-11
Bashore, S. Leon
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
134 22R, 134 42, 252 87, B08B 308
Patent
active
040999840
ABSTRACT:
Heat exchangers which become fouled during cooling of CuAlCl.sub.4 .multidot.solvent (such as toluene) solutions employed in extracting carbon monoxide from acetylene is cleaned by circulating through the fouled exchanger a solvent solution of CuAlCl.sub.4 .multidot.solvent containing aluminum trichloride.
REFERENCES:
patent: 3651159 (1972-03-01), Long et al.
patent: 3857869 (1974-12-01), Turnbo
Christenson Christopher P.
McNamee Gary M.
Bashore S. Leon
Caroff Marc L.
Carter James G.
The Dow Chemical Company
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