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Modern Cyanide Practice, Harvey Edson Smith
Modern Cyanide Practice, Harvey Edson Smith
Bachelors Theses
"It is noticable sic that about all of the recent improvements in cyanide practise sic have been along mechanical rather than chemical lines. the use of oxidizers such as air, ozone, sodium peroxide, etc., the use of the salts of lead, and even the addition of a coating of lead to the zinc shavings in the extractor boxes were all recommended when the process was first advocated but sometimes for different reasons. In the early days of the process the addition of hypochlorites, alkaline persulphates, and the use of mercuric cyanide was also investigated but has not proven satisfactory owing …
Cyanide Practice, John A. Rogers
Cyanide Practice, John A. Rogers
Professional Degree Theses
"The ENCINO CYANIDE PLANT was erected for the treatment of old accumulated tailings, which were worked by the "Patio" and "Cazo" processes. As with most accumulated tailings, which have been exposed to the action of the air for a considerable period, they have undergone changes, whereby, forming compounds which are highly detrimental to a solution of Potassium Cyanide and the direct cause of the present high consumption of Cyanide"--page 1.