METHOD FOR RECOVERING PHOSPHORIC ACID ETHERS FROM SPENT THICKENED HYDRAULIC FLUIDS

FIELD: environmental control. SUBSTANCE: spent thickened hydraulic fluids are treated with 70-85-% aqueous solution of alcohol C1 - C3.. Recovery percentage reaches 96.6%, acid number is 0.04 ml/KOH/g. EFFECT: higher efficiency. 3 clt

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Bibliographische Detailangaben
Hauptverfasser:	KOROLEV JU.V, KROKHIN N.P, BESKOPYL'NYJ A.M, KLIMENKO S.I, LOSKUTOV L.G, MEL'NIK P.V, RASKIN JU.E
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	FIELD: environmental control. SUBSTANCE: spent thickened hydraulic fluids are treated with 70-85-% aqueous solution of alcohol C1 - C3.. Recovery percentage reaches 96.6%, acid number is 0.04 ml/KOH/g. EFFECT: higher efficiency. 3 clt