Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-02-11
1977-05-31
Killos, Paul J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260520C, C07C 6976
Patent
active
040269175
ABSTRACT:
Polynuclear aromatic compounds are irreversibly adsorbed by coconut charcoal and are separated from desired constituents by treatment in a coconut charcoal column. This invention is particularly valuable in providing a method suitable for large scale use for removing dioxins and other undesirable polynuclear aromatic hydrocarbons which are found as impurities in small but highly toxic amounts in industrial compounds and herbicides such as 2,4,5-T, 2,4-D and derivatives thereof.
REFERENCES:
nishiyama, Y. et al. Chem. Abst. 208082z vol. 83, 1975.
Mihara, O. Chem. Abst. 45902e vol. 82, 1975.
Huckins James N.
Johnson James L.
Stalling David L.
Brown William S.
Gardiner Donald A.
Killos Paul J.
The United States of America as represented by the Secretary of
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