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RU2015151403A - METHOD FOR PRODUCING BERILLIUM OXIDE AND METAL BERILLIUM - Google Patents

METHOD FOR PRODUCING BERILLIUM OXIDE AND METAL BERILLIUM Download PDF

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Publication number
RU2015151403A
RU2015151403A RU2015151403A RU2015151403A RU2015151403A RU 2015151403 A RU2015151403 A RU 2015151403A RU 2015151403 A RU2015151403 A RU 2015151403A RU 2015151403 A RU2015151403 A RU 2015151403A RU 2015151403 A RU2015151403 A RU 2015151403A
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RU
Russia
Prior art keywords
beryllium
magnesium
bef
carried out
berillium
Prior art date
Application number
RU2015151403A
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Russian (ru)
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RU2624749C2 (en
Inventor
Александр Николаевич Дьяченко
Роман Иванович Крайденко
Лев Николаевич Малютин
Юрий Юрьевич Нечаев
Илья Владимирович Петлин
Original Assignee
Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет"
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Application filed by Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" filed Critical Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет"
Priority to RU2015151403A priority Critical patent/RU2624749C2/en
Publication of RU2015151403A publication Critical patent/RU2015151403A/en
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Publication of RU2624749C2 publication Critical patent/RU2624749C2/en

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B35/00—Obtaining beryllium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (1)

Способ параллельного получения оксида бериллия и металлического бериллия, включающий фторирование бериллийсодержащего сырья, растворение фторированного продукта в воде, удаление примесей обработкой бериллийсодержащего раствора 25%-ым раствором аммиака и 12% раствором диметилдитиокарбамата натрия, сорбцией на активированном угле и перекристаллизацией тетрафторобериллата аммония ((NH4)2BeF4), отличающийся тем, что в качестве исходного сырья используют природное и техногенное сырье, фторирование сырья проводят в расплаве гидрофторида аммония при 170-180°С, осаждение примесей осуществляют при уровне pH, равном 8,7-9,0, для получения BeF2 осуществляют термическое разложение тетрафторобериллата аммония (NH4)2BeF4 в две стадии: первая - нагрев до 450°С до прекращения выделения газообразных продуктов со скоростью нагрева не более 100° в час, вторая - нагрев до 800-850°С в течение 40-45 мин, полученный фторид бериллия используют для получения оксида бериллия путем осаждения гидроксида бериллия (Be(ОН)2) 25%-ым раствором аммиака (pH=11,5-12,0) с последующей сушкой и прокалкой, для получения металлического бериллия используют BeF2 и металлический порошкообразный магний, которые укладывают слоями в графитовый тигель высокочастотной электрической печи, слой магния располагают под слоем фторида бериллия, самый нижний слой магния и самый верхний слой фторида бериллия составляют 40% от всего количества реагента, необходимого для реакции, магний берут в количестве 75% от стехиометрически необходимого, магнийтермическое восстановление проводят при 900-950°С, для разделения фаз металла и шлака температуру поднимают до 1300-1350°С, рафинирование чернового металла проводят методом вакуумной дистилляции в дистилляционной колонке при температуре до 1400-1450°С и остаточном давлении - 10-5 мм.рт.ст.A method of parallel receiving beryllium oxide and beryllium, beryllium comprising fluorination raw material, dissolving the fluorinated product in water, removal of impurities by treatment with beryllium solution of 25% ammonia solution and 12% sodium dimethyldithiocarbamate, sorption on activated carbon and recrystallization tetraftoroberillata ammonium ((NH 4 ) 2 BeF 4), characterized in that as feedstock is used natural and man-caused raw materials fluorination is carried out in the melt and hydrofluoride Monia at 170-180 ° C, impurity precipitation is carried out at the level of pH, equal to 8,7-9,0, BeF 2 for the thermal decomposition is carried tetraftoroberillata ammonium (NH 4) 2 BeF 4 in two stages: first - heating up to 450 ° C until the evolution of gaseous products stops at a heating rate of not more than 100 ° per hour, the second is heating to 800-850 ° C for 40-45 minutes, the obtained beryllium fluoride is used to produce beryllium oxide by precipitation of beryllium hydroxide (Be (OH) 2 ) 25% ammonia solution (pH = 11.5-12.0), followed by drying and calcination, to obtain a metallic beryllium uses BeF 2 and metallic powdered magnesium, which are layered in a graphite crucible in a high-frequency electric furnace, a magnesium layer is placed under a beryllium fluoride layer, the lowest magnesium layer and the uppermost beryllium fluoride layer make up 40% of the total amount of reagent required for the reaction, magnesium they take in the amount of 75% of the stoichiometrically necessary, the magnesium thermal reduction is carried out at 900-950 ° C, to separate the phases of the metal and slag, the temperature is raised to 1300-1350 ° C, refining the draft metal is carried out by vacuum distillation in a distillation column at a temperature of up to 1400-1450 ° C and a residual pressure - 10 -5 mmHg
RU2015151403A 2015-12-01 2015-12-01 Method of obtaining beryllium oxide and beryllium metal RU2624749C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015151403A RU2624749C2 (en) 2015-12-01 2015-12-01 Method of obtaining beryllium oxide and beryllium metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015151403A RU2624749C2 (en) 2015-12-01 2015-12-01 Method of obtaining beryllium oxide and beryllium metal

Publications (2)

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RU2015151403A true RU2015151403A (en) 2017-06-02
RU2624749C2 RU2624749C2 (en) 2017-07-06

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114908259A (en) * 2022-05-06 2022-08-16 中南大学 A method for selective extraction of beryllium from beryllium-containing sludge based on hydrothermal mineral phase control
CN115125399A (en) * 2022-08-12 2022-09-30 江西泰和百盛实业有限公司 A method for removing beryllium in the process of producing high-purity and low-oxygen copper rod from scrap copper
CN118639068A (en) * 2024-06-27 2024-09-13 紫金矿业集团股份有限公司 Gold-beryllium alloy evaporation material for semiconductor and preparation method thereof
CN119040667A (en) * 2024-08-23 2024-11-29 郑州大学 Method for separating metallic beryllium from cathode product of fluoride fused salt electrolysis reaction

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109097601B (en) * 2018-08-19 2020-12-15 西北稀有金属材料研究院宁夏有限公司 A kind of method for effectively reducing chromium element in metal beryllium raw material

Family Cites Families (7)

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US2776202A (en) * 1955-08-18 1957-01-01 American Potash & Chem Corp Use of lepidolite as an additive in the lime-roasting of lithium-aluminosilicate ores
US4729881A (en) * 1986-12-16 1988-03-08 Fmc Corporation Hydrometallurgical process for the production of beryllium
GB8806334D0 (en) * 1988-03-17 1988-04-13 British Petroleum Co Plc Recovery process
RU2107742C1 (en) * 1996-11-18 1998-03-27 Всероссийский научно-исследовательский институт минерального сырья им.Н.М.Федоровского Method of beryllium recovery from beryllium-containing concentrates
RU2222622C2 (en) * 2001-12-13 2004-01-27 Открытое акционерное общество "Новосибирский завод химконцентратов" Spodumene concentrate processing method
RU2313489C2 (en) * 2006-02-14 2007-12-27 Республиканское государственное казенное предприятие "Восточно-Казахстанский государственный технический Университет им. Д. Серикбаева Министерства образования и науки Республики Казахстан" Method of extraction of beryllium from beryllium concentrates
RU2493101C1 (en) * 2012-05-16 2013-09-20 Открытое акционерное общество "Ведущий научно-исследовательский институт химической технологии" Method of recycling wastes of metallic beryllium and special ceramics based on beryllium oxide

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114908259A (en) * 2022-05-06 2022-08-16 中南大学 A method for selective extraction of beryllium from beryllium-containing sludge based on hydrothermal mineral phase control
CN115125399A (en) * 2022-08-12 2022-09-30 江西泰和百盛实业有限公司 A method for removing beryllium in the process of producing high-purity and low-oxygen copper rod from scrap copper
CN115125399B (en) * 2022-08-12 2023-07-21 江西泰和百盛实业有限公司 Method for removing beryllium in process of producing high-purity low-oxygen copper rod from scrap copper
CN118639068A (en) * 2024-06-27 2024-09-13 紫金矿业集团股份有限公司 Gold-beryllium alloy evaporation material for semiconductor and preparation method thereof
CN119040667A (en) * 2024-08-23 2024-11-29 郑州大学 Method for separating metallic beryllium from cathode product of fluoride fused salt electrolysis reaction

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RU2624749C2 (en) 2017-07-06

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Effective date: 20191202