METHOD OF HYDROCARBON IMPURITIES REMOVAL FROM SURFACES

The invention relates to methods of surface cleaning from hydrocarbon impurities such as crude oil, petroleum products, lubricating agents, fats of technical and household grades and oils and can be used in various branches of industry for chemical - and mechanized washing and cleaning of process an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SMOLYANOV, VLADIMIR MIHAILOVICH, NOVOSELTSEV, DMITRY VYACHESLAVOVICH, EVDOKIMOV, ALEKSANDR ALEKSANDROVICH, ZHURAVLEV, ALEKSEI VIKTOROVICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING CLEANING IN GENERAL CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DETERGENT COMPOSITIONS DETERGENTS DIFFUSION TREATMENT OF METALLIC MATERIAL FATTY ACIDS THEREFROM INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING TRANSPORTING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Beschreibung
Zusammenfassung:	The invention relates to methods of surface cleaning from hydrocarbon impurities such as crude oil, petroleum products, lubricating agents, fats of technical and household grades and oils and can be used in various branches of industry for chemical - and mechanized washing and cleaning of process and transportations means. The technical object of the supposed invention is the simplification of the cleaning process, the increase of hydrocarbon impurities recovery during the regeneration of washing solution and the reduction of power consumption for carrying out the cleaning process. The technical results has been achieved owing to the fact that some changes and modifications have been introduced into the known closed-cycle method of hydrocarbon impurities removal from surfaces which includes the preparation of detergent aqueous solution containing nonionic surfactant and an active component, surface washing-off with detergent aqueous solution, pumping-off of the emulsion obtained, separating of the emulsion into aqueous and organic phases followed by the return of aqueous phase into the cleaning cycle and the periodical discharge of the organic phase to a storage tank.