SU684003A1 - Method of obtaining cobalt carbonate - Google Patents

Method of obtaining cobalt carbonate

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Publication number
SU684003A1
SU684003A1 SU752162733A SU2162733A SU684003A1 SU 684003 A1 SU684003 A1 SU 684003A1 SU 752162733 A SU752162733 A SU 752162733A SU 2162733 A SU2162733 A SU 2162733A SU 684003 A1 SU684003 A1 SU 684003A1
Authority
SU
USSR - Soviet Union
Prior art keywords
cobalt
carbon dioxide
ammonium carbonate
gas mixture
target
Prior art date
Application number
SU752162733A
Other languages
Russian (ru)
Inventor
Карина Григорьевна Щербина
Владимир Ильич Оратовский
Светлана Владимировна Козлова
Original Assignee
Предприятие П/Я А-3481
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Application filed by Предприятие П/Я А-3481 filed Critical Предприятие П/Я А-3481
Priority to SU752162733A priority Critical patent/SU684003A1/en
Application granted granted Critical
Publication of SU684003A1 publication Critical patent/SU684003A1/en

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Claims (2)

(54) СПОСОБ ПОЛУЧЕНИЯ УГШКИСЛОГО КОБАЛЬТА При указанном соотношении СОа : NHj, концентрации углекислого газа 86-105 г/л и соответствующем составе газовой смеси в осадок выпадает розовый кристаллический осадок , по химическому составу отвечающий формуле СоСОзЗНгО. Нижний предел содержани  углекислоты 50% выбран потому, что при содержании в газе менее 50% углекислоты получаетс  смесь среднего и основного карбоната кобальта. П р и м е р 1. В реактор с вод ной рубашкой на решетку помещают металлический кобальт, заливают аммиачно-карбонатным раствором с концентрацией углекислого газа 98 г/л и соотношением СОг : NHs 1:1,2, нагревают до температуры 50-60° и подают во дух. При этом кобальт переходит в раствор в виде аммиачно-карбонатного комплекса. Из по лученного раствора отгон ют аммиак газовой смесью, содержащей 90% С02 при . Происходит разложение аммиачно-карбонатных комплексов с образованием среднего карбонат кобальта, который отдел ют от раствора, промывают гор чей водой и сушат на воздухе. Готовый продукт отвечает формуле СоСОзЗНгО. Пример 2. Все операции выполн ют так же, как в примере 1. Растворение металлического кобальта ведут аммиачно-карбонатным раствором с концентрацией 1Ш г/л и соотношением СОг : Отгонку аммиака ведут газовой смесью, содер жащей СОз при . 4 Готовый продукт по X мическому составу твечает формуле CoCOj-3HjO. Пример 3. Все операции выполн ют ак же, как в примере I. Растворение кобальта ведут аммиачно-карбонатным комплексом с концентрацией углекислоты 85 г/л и соотношением COj ,1. Отгонку аммиака ведут газовой смесью, содержащей 60% COj при 60°С. Готовый продукт по химическому составу отвечает формуле СоСОзЗН2О. Формула изобретени  Способ получе1ш  углекислого кобальта путем растворени  металлического кобальта в аммначно-карбонатном растворе .с последующим разложением образовавшегос  аммиачно-карбонатного комплекса двухвалентного кобальта газовой смесью при нагревании, отделением, промывкой и сушкой осадка продукта, отличающийс  тем, что, с целью повышени  содержани  в продукте средней соли углекислого кобальта , разложение аммиачно-карбонатного комплекса ведут газовой смесью, содержащей 50-100% углекислого газа. Источники информации, прин тые во внимание при экспертизе 1.Патент ГДР № 16853, кл. 12Д4/01, 06.. (54) METHOD FOR PREPARING COALSAL COBALT At the indicated ratio of SOA: NHj, carbon dioxide concentration of 86-105 g / l and the corresponding composition of the gas mixture, a pink crystalline precipitate is deposited, which corresponds to the formula COCOZNHO by chemical composition. The lower limit of the carbon dioxide content of 50% is chosen because when the content in the gas is less than 50% of carbon dioxide, a mixture of middle and basic cobalt carbonate is obtained. Example 1. In a water-jacketed reactor, metallic cobalt is placed on a grid, an ammonium carbonate solution is poured in with a carbon dioxide concentration of 98 g / l and CO2: NHs ratio of 1: 1.2, heated to 50-60 ° and give in the air. At the same time cobalt goes into solution in the form of ammonium carbonate complex. From the resulting solution, ammonia is distilled off with a gas mixture containing 90% C02 at. The decomposition of ammonium carbonate complexes occurs with the formation of medium cobalt carbonate, which is separated from the solution, washed with hot water and dried in air. The finished product complies with the formula CoCoP3. Example 2. All operations are performed in the same way as in Example 1. The dissolution of metallic cobalt is carried out with an ammonia-carbonate solution with a concentration of 1 g / l and a C02: Distillation of ammonia is carried out with a gas mixture containing CO 2 at. 4 The finished product according to X composition consists of the formula CoCOj-3HjO. Example 3. All operations are performed as in Example I. The dissolution of cobalt is carried out with an ammonium carbonate complex with a carbon dioxide concentration of 85 g / l and a ratio of COj, 1. The distillation of ammonia lead gas mixture containing 60% COj at 60 ° C. The finished product in chemical composition corresponds to the formula COCO3F2O. The method of obtaining cobalt carbonate by dissolving metallic cobalt in an ammonium carbonate solution. With the subsequent decomposition of the ammonium carbonate complex of divalent cobalt formed with a gas mixture by heating, separating, rinsing and drying the product, a target with a target, a target, a target for a purpose, a project, an object, a project, an object, a project, and a target with a purpose of the project. The middle salt of cobalt carbonate, decomposition of the ammonium carbonate complex is carried out by a gas mixture containing 50-100% carbon dioxide. Sources of information taken into account in the examination 1. GDR patent number 16853, cl. 12D4 / 01, 06 .. 2.Авторское свидетельство № 509541, кл. С 01 G 51/06, 02.04.74.2. Certificate of author No. 509541, cl. From 01 G 51/06, 02.04.74.
SU752162733A 1975-08-05 1975-08-05 Method of obtaining cobalt carbonate SU684003A1 (en)

Priority Applications (1)

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SU752162733A SU684003A1 (en) 1975-08-05 1975-08-05 Method of obtaining cobalt carbonate

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Application Number Priority Date Filing Date Title
SU752162733A SU684003A1 (en) 1975-08-05 1975-08-05 Method of obtaining cobalt carbonate

Publications (1)

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SU684003A1 true SU684003A1 (en) 1979-09-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996037437A1 (en) * 1995-05-26 1996-11-28 H.C. Starck Gmbh & Co. Kg Basic cobaltous carbonates, process for preparing the same and their use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996037437A1 (en) * 1995-05-26 1996-11-28 H.C. Starck Gmbh & Co. Kg Basic cobaltous carbonates, process for preparing the same and their use
US6183621B1 (en) 1995-05-26 2001-02-06 H. C. Stack Gmbh & Co. Kg Basic cobaltous carbonates, process for preparing the same and their use

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