RU2011140662A - METHOD FOR PRODUCING NIOBIUM AND / OR TANTALUM PENTAFLUORIDE - Google Patents

METHOD FOR PRODUCING NIOBIUM AND / OR TANTALUM PENTAFLUORIDE Download PDF

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Publication number
RU2011140662A
RU2011140662A RU2011140662/05A RU2011140662A RU2011140662A RU 2011140662 A RU2011140662 A RU 2011140662A RU 2011140662/05 A RU2011140662/05 A RU 2011140662/05A RU 2011140662 A RU2011140662 A RU 2011140662A RU 2011140662 A RU2011140662 A RU 2011140662A
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RU
Russia
Prior art keywords
tantalum
niobium
mol
fluorinating agent
copper fluoride
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RU2011140662/05A
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Russian (ru)
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RU2482064C1 (en
Inventor
Иван Игнатьевич Жерин
Александр Антонович Маслов
Роман Вячеславович Оствальд
Владимир Федорович Усов
Владимир Владимирович Шагалов
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет"
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Priority to RU2011140662/05A priority Critical patent/RU2482064C1/en
Publication of RU2011140662A publication Critical patent/RU2011140662A/en
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Publication of RU2482064C1 publication Critical patent/RU2482064C1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

Способ получения пентафторида ниобия и/или тантала, включающий взаимодействие металлических ниобия и/или тантала с фторирующим агентом, отличающийся тем, что в качестве фторирующего агента используют фторид меди в соотношении не более 4 моль фторида меди на 1 моль металлического ниобия и/или тантала, предварительный нагрев до 500°С и термическая или вакуумная отгонка образующихся пентафторидов ниобия и/или тантала.A method of producing niobium pentafluoride and / or tantalum, comprising reacting niobium metal and / or tantalum with a fluorinating agent, characterized in that copper fluoride is used as a fluorinating agent in a ratio of not more than 4 mol of copper fluoride per 1 mol of niobium metal and / or tantalum, preheating to 500 ° C and thermal or vacuum distillation of the resulting niobium and / or tantalum pentafluorides.

Claims (1)

Способ получения пентафторида ниобия и/или тантала, включающий взаимодействие металлических ниобия и/или тантала с фторирующим агентом, отличающийся тем, что в качестве фторирующего агента используют фторид меди в соотношении не более 4 моль фторида меди на 1 моль металлического ниобия и/или тантала, предварительный нагрев до 500°С и термическая или вакуумная отгонка образующихся пентафторидов ниобия и/или тантала. A method of producing niobium pentafluoride and / or tantalum, comprising reacting niobium metal and / or tantalum with a fluorinating agent, characterized in that copper fluoride is used as a fluorinating agent in a ratio of not more than 4 mol of copper fluoride per 1 mol of niobium metal and / or tantalum, preheating to 500 ° C and thermal or vacuum distillation of the resulting niobium and / or tantalum pentafluorides.
RU2011140662/05A 2011-10-06 2011-10-06 Method of producing niobium or tantalum pentafluoride RU2482064C1 (en)

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RU2011140662/05A RU2482064C1 (en) 2011-10-06 2011-10-06 Method of producing niobium or tantalum pentafluoride

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Application Number Priority Date Filing Date Title
RU2011140662/05A RU2482064C1 (en) 2011-10-06 2011-10-06 Method of producing niobium or tantalum pentafluoride

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RU2011140662A true RU2011140662A (en) 2013-04-20
RU2482064C1 RU2482064C1 (en) 2013-05-20

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RU2011140662/05A RU2482064C1 (en) 2011-10-06 2011-10-06 Method of producing niobium or tantalum pentafluoride

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4065405A (en) * 1976-12-03 1977-12-27 Exxon Research And Engineering Company Recovery of tantalum and/or niobium pentafluorides from a hydrocarbon conversion catalyst
US5091168A (en) * 1990-08-15 1992-02-25 E. I. Du Pont De Nemours And Company Preparation of anhydrous niobium and tantalum pentafluorides

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Effective date: 20131007