Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1978-04-21
1980-03-11
Vertiz, O. R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
71 34, 75 68R, 75 72, 423158, 423197, 423210, 423322, C01D 302, C01D 308, C01G 300
Patent
active
041928539
ABSTRACT:
The method comprises processing slime and off-gases resulting from the production of phosphorus with an aqueous solution of copper sulphate having a concentration of from 15 to 50% at a temperature within the range of from 20.degree. to 80.degree. C. As a result, two products are obtained, i.e. a liquid product and a solid one.
The solid product containing mainly copper phosphide as well as fluorides and chlorides of alkali metals and silicon, and silicates of calcium and aluminum, is used as a modifying and refining agent for hypereutectic silumines and for the manufacture of a copper-phosphorus alloy.
The liquid product containing phosphoric acid, sulphuric acid and copper sulphate is used as starting product for the preparation of a copper-containing fertilizer.
The method according to the present invention makes it possible to modify the production of phosphorus so as to eliminate the formation of secondary wastes and improve the environmental control.
REFERENCES:
patent: 1951984 (1934-03-01), Kerschbaum et al.
patent: 3104952 (1963-09-01), Hartig
patent: 3442621 (1969-05-01), Hinkebein
patent: 3515515 (1970-06-01), Hinkebein
Alzhanov Tleubai M.
Bykov Vladimir I.
Chernogorenko Vasily B.
Dmitrenko Valentina V.
Ishkhanov Evgeny S.
Langel Wayne A.
Vertiz O. R.
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