Patenton — panteon of patents

(19)

RU

(11)

2 035 400

(13)

C1

(51)

IPC

(21) (22)

Application

4870251/26, 1990-07-31

(22)

Actual filing date

1990-07-31

(45)

Published

1995-05-20

(72)

Inventor

Fedjunin V.A.Sharaev A.S.

(73)

Holder

Institut Khimii Nefti So Ran

METHOD OF WATER TREATMENT FROM SURFACE-ACTIVE SUBSTANCES Russian patent published in 1995 - IPC

Abstract RU 2035400 C1

FIELD: chemical and chemical-petroleum industries. SUBSTANCE: method involves contacting with organic extractant following by settling and separation of refined water. Polyfluorinated alcohols of the general formula H-(CF2-CF2)n where n = 2 or 3 were used as an organic extractant. EFFECT: improved method of water treatment. 1 tbl

Similar patents RU2035400C1

Title Year Author Number
METHOD FOR BREAKING WATER-ORGANIC SUBSTANCE EMULSION 1989
  • Sharaev A.S.
  • Statsjuk V.E.
  • Fedjunin V.A.
  • Bordunov V.V.
  • Ospishchev Ju.M.
 SU1831792A3
COMPOSITION FOR SOIL TREATMENT FROM PETROLEUM PRODUCTS 1992
  • Dmitrieva Z.T.
  • Rodionova N.I.
 RU2041908C1
METHOD OF RECOVERING THORIUM FROM AQUEOUS SOLUTIONS CONTAINING RARE-EARTH METALS 2000
  • Bordunov V.V.
  • Bordunov S.V.
  • Sobolev I.A.
  • Andreev G.G.
  • Guzeeva T.I.
  • Krasil'Nikov V.A.
  • Levshaev A.S.
 RU2188157C2
METHOD OF PRODUCT CLEANING 0
  • Bordunov Vladimir Vasilevich
  • Karmadonov Leonid Nikolaevich
  • Ospishchev Yurij Mikhajlovich
 SU1671734A1
COMPOSITION FOR SOIL TREATMENT FROM PETROLEUM PRODUCTS 1992
  • Dmitrieva Z.T.
  • Rodionova N.I.
 RU2041909C1
METHOD OF DEMULSIFYING OF STABILIZED EMULSIONS 2005
  • Avramenko Valentin Aleksandrovich
  • Bratskaja Svetlana Jur'Evna
  • Sergienko Valentin Ivanovich
  • Filippova Irina Anatol'Evna
  • Judakov Aleksandr Alekseevich
 RU2288771C1
METHOD OF DEVELOPING OIL DEPOSIT 1999
  • Altunina L.K.
  • Kuvshinov V.A.
  • Stas'Eva L.A.
 RU2168618C2
METHOD OF TRIBUTYL PHOSPHATE REGENERATION 1996
  • Flejtlikh I.Ju.
  • Zubareva A.P.
  • Torgov V.G.
  • Plotnikova G.I.
  • Pashkov G.L.
  • Nikiforova L.K.
 RU2117010C1
OIL SLUDGE WASHING COMPOSITION 2009
  • Altunina Ljubov' Konstantinovna
  • Svarovskaja Lidija Ivanovna
  • Ovsjannikova Varvara Sergeevna
 RU2412985C1
METHOD FOR PURIFYING SPENT OIL 1995
  • Dmitrieva Z.T.
  • Kashtykin S.I.
  • Zelenskij M.I.
  • Rodionova N.I.
  • Smirnov P.L.
  • Gorbunova E.A.
 RU2100425C1

RU 2 035 400 C1

Authors

Fedjunin V.A.

Sharaev A.S.

Dates

1995-05-20—Published

1990-07-31—Filed

read Similar patents