Patenton — panteon of patents

(19)

RU

(11)

2 006 521

(13)

C1

(51)

IPC

(21) (22)

Application

5047180/26, 1992-06-15

(22)

Actual filing date

1992-06-15

(45)

Published

1994-01-30

(72)

Inventor

Stepanov M.A.Rybakov A.G.Malevannyj S.Ja.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii

METHOD FOR PREVENTING HIGH-TEMPERATURE CORROSION OF METAL EQUIPMENT IN STEAMS OF HYDROFLUORIC ACID Russian patent published in 1994 - IPC

Abstract RU 2006521 C1

FIELD: production hydrofluoric acid and other fluorine compounds. SUBSTANCE: formaldehyde is added into reaction gaseous mixture which contains hydrofluoric acid, formaldehyde quantity being 2-40 mass % . Corrosion rate decreases 30-40 times. EFFECT: improves efficiency of the method.

Similar patents RU2006521C1

Title Year Author Number
METHOD OF URANIUM TETRAFLUORIDE CONVERSION 1992
  • Orekhov V.T.
  • Rybakov A.G.
  • Malevannyj S.Ja.
  • Shopen V.P.
  • Shcherbakov V.I.
  • Tsvetkov V.F.
  • Gusenkov M.V.
 RU2027674C1
METHOD OF PRODUCTION OF MONOSILANE AND DISILANE 1999
  • Kvaratskheli Ju.K.
  • Zhirkov M.S.
  • Fadeev L.L.
  • Filinov V.T.
 RU2160706C1
METHOD OF CONVERTING URANIUM HEXAFLUORIDE TO URANIUM TETRAFLUORIDE AND ANHYDROUS HYDROGEN FLUORIDE 2015
  • Atakhanova Ekaterina Leonidovna
  • Orekhov Valentin Timofeevich
  • Khorozova Olga Dmitrievna
  • Shiryaeva Vera Vladimirovna
 RU2594012C1
PROCESS FOR PREPARING SILICON TETRAFLUORIDE 1991
  • Кvaratskheli Ju.К.
  • Sviderskij М.F.
  • Кhvatov V.Р.
  • Рarshin А.Р.
  • Stepanov М.А.
  • Рetranin N.Р.
 RU2019504C1
METHOD OF PREPARING PLUTONIUM TRIFLUORIDE FROM PLUTONIUM DIOXIDE 1996
  • Shatalov V.V.
  • Mashirev V.P.
  • Zvonarev E.N.
  • Savostina S.I.
  • Kozlov O.I.
  • Lobanov V.I.
  • Zuev Ju.N.
  • Grebenkin K.F.
  • Subbotin V.G.
  • Panov A.V.
 RU2108295C1
METHOD OF SYNTHESIS OF PENTAFLUOROETHANE (COOLANT-125) 1999
RU2165919C1
METHOD OF PRODUCING HIGH-PURITY ANHYDROUS POLYCRYSTALLINE CERIUM FLUORIDE 1996
  • Shatalov V.V.
  • Mashirev V.P.
  • Zvonarev E.N.
  • Kolegov D.F.
  • Kolegov S.F.
 RU2107029C1
METHOD OF PREPARING MONOSILANE 1995
  • Fadeev L.L.
  • Kvaratskheli Ju.K.
  • Zhirkov M.S.
  • Ivashin A.M.
  • Kudrjavtsev V.V.
  • Grishin A.V.
  • Filinov V.T.
 RU2077483C1
METHOD OF SYNTHESIS OF FLUORO-CONTAINING COMPOUNDS OF ETHANE SERIES 1992
  • Denisov A.K.
  • Zakharov V.Ju.
  • Golubev A.N.
  • Shishkanov A.P.
  • Tsar'Kov V.G.
  • Malyshev S.V.
  • Shatalov V.V.
  • Orekhov V.T.
  • Goncharov A.E.
 RU2030380C1
METHOD OF SYNTHESIS OF MONOSILANE 1992
  • Skorovarov D.I.
  • Tumanov Ju.N.
  • Kvaratskheli Ju.K.
  • Ivanov A.V.
  • Tsirel'Nikov K.V.
  • Andreev K.P.
  • Vandyshev V.I.
  • Sapozhnikov M.V.
  • Zhirkov M.S.
  • Seregin M.B.
 RU2050320C1

RU 2 006 521 C1

Authors

Stepanov M.A.

Rybakov A.G.

Malevannyj S.Ja.

Dates

1994-01-30—Published

1992-06-15—Filed

read Similar patents