PROCEDURE FOR PRODUCTION OF FINE-DISPERSED POWDER OF MOLYBDENUM Russian patent published in 2011 - IPC C22B34/34 B22F9/18 

Abstract RU 2425900 C1

FIELD: metallurgy.

SUBSTANCE: procedure for production of metal powder of molybdenum consists in reduction of molybdenum oxide (MoO3) with metal-reducer in melt of sodium chloride of potassium chloride or their mixture at ratio 1:1 at temperature 770-850°C. Upon reduction metal phase of molybdenum powder is separated from reaction mass. Reduction is performed with aluminium powder at ratio of source molybdenum oxide (MoO3) to melt equal to 1:3-5.

EFFECT: reduced temperature of melting at sufficiently complete extraction of molybdenum from oxide in form of metal high dispersed powder of molybdenum and reduced consumption of reagents.

2 ex

Similar patents RU2425900C1

Title Year Author Number
METHOD FOR PRODUCING POWDERS OF MOLYBDENUM OR ITS COMPOSITES WITH TUNGSTEN 2005
  • Gostishchev Viktor Vladimirovich
  • Ri Ehrnst Khosenovich
RU2285586C1
METHOD OF PRODUCTION OF AGENT SELECTED FROM SERIES: BORON, PHOSPHORUS, SILICON AND RARE-EARTH METALS (VERSIONS) 2005
  • Karelin Aleksandr Ivanovich
  • Karelin Vladimir Aleksandrovich
  • Kazimirov Valerij Andreevich
RU2298589C2
METHOD OF PRODUCING METAL POWDER OF CHROME SUBGROUP 2016
  • Kolosov Valerij Nikolaevich
  • Miroshnichenko Marina Nikolaevna
  • Orlov Veniamin Moiseevich
RU2620213C1
METHOD FOR PRODUCING MOLYBDENUM POWDER BY ELECTROEROSION OF MOLYBDENUM WASTE 2023
  • Khoriakova Natalia Mikhailovna
  • Ageev Evgenii Viktorovich
  • Ageeva Ekaterina Vladimirovna
  • Agarkov Nikita Sergeevich
  • Sadova Kristina Viktorovna
RU2804892C1
METHOD OF PRODUCING FINE TUNGSTEN CARBIDE POWDER 2011
  • Gostishchev Viktor Vladimirovich
  • Ri Ehrnst Khosenovich
  • Astapov Ivan Aleksandrovich
  • Khimukhin Sergej Nikolaevich
  • Ri Khosen
RU2452784C1
METHOD FOR OBTAINING A POWDER OF MOLYBDENUM AND TUNGSTEN ALLOY 2017
  • Kolosov Valerij Nikolaevich
  • Miroshnichenko Marina Nikolaevna
  • Orlov Veniamin Moiseevich
RU2655560C1
METHOD FOR OBTAINING METALLIC TUNGSTEN POWDER 2003
  • Mulin Ju.I.
  • Gostishchev V.V.
RU2243063C1
METHOD FOR PRODUCING POWDERS OF REFRACTORY METALS 2003
  • Andreev G.G.
  • Krasil'Nikov V.A.
  • Guzeeva T.I.
  • Voroshilov F.A.
  • Makarov F.V.
  • Dubov A.G.
  • Stolbov V.P.
RU2243859C2
METHOD OF PRODUCING POWDER OF METALLIC MOLYBDENUM 2024
  • Shishkin Roman Aleksandrovich
  • Paryshev Andrei Alekseevich
RU2823896C1
METHOD FOR PRODUCING A COMPOSITE MATERIAL WB-WC-AlO FROM A SCHEELITE CONCENTRATE OF THE FAR EAST REGION 2020
  • Ri Ernst Khosenovich
  • Ri Kho Sen
  • Kim Evgenij Davidovich
  • Ermakov Mikhail Aleksandrovich
RU2758654C1

RU 2 425 900 C1

Authors

Gostishchev Viktor Vladimirovich

Ri Ehrnst Khosenovich

Khimukhin Sergej Nikolaevich

Ri Khosen

Komkov Vjacheslav Grigor'Evich

Dates

2011-08-10Published

2010-03-18Filed