SU267612A1 - METHOD OF OBTAINING MAGNETITE - Google Patents
METHOD OF OBTAINING MAGNETITEInfo
- Publication number
- SU267612A1 SU267612A1 SU1299655A SU1299655A SU267612A1 SU 267612 A1 SU267612 A1 SU 267612A1 SU 1299655 A SU1299655 A SU 1299655A SU 1299655 A SU1299655 A SU 1299655A SU 267612 A1 SU267612 A1 SU 267612A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- oleic acid
- magnetite
- weight
- obtaining magnetite
- water
- Prior art date
Links
- SZVJSHCCFOBDDC-UHFFFAOYSA-N Iron(II,III) oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N Oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 9
- 239000005642 Oleic acid Substances 0.000 claims description 5
- NCNCGGDMXMBVIA-UHFFFAOYSA-L Iron(II) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910000460 iron oxide Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Description
Изоб|ретенйе относитс к «ройзводсТЁу Mafнетита , который после Окислени используют дл получени магнитного носител или дл изтотовлени лакокрасочных покрытий.The invention relates to "RoyzvodTyou Mafnetite", which, after oxidation, is used to produce a magnetic carrier or to make paint coatings.
Известен .способ получени машетита, состо щий в восстановлении гидроокиси железа йарами спирта, -например метилового или этилового , с водой при температуре 300-400°С в течение 1 час.A method for the preparation of maschetite is known, which consists in reducing the iron hydroxide with alcohol, for example methyl or ethyl, with water at a temperature of 300-400 ° C for 1 hour.
С целью интенсификации процесса по предлагаемому Способу восстановление ведут в присутствии катализатора - олеиновой кислоты . При этом олеиновую «ислоту берут в количестве 0,06-0,1 вес. ч. по отношению к шихте. Это отличие сократит врем восстановлени в 3 раза И понизит температуру на 100°С.In order to intensify the process according to the proposed method, the reduction is carried out in the presence of a catalyst - oleic acid. In this case, oleic acid is taken in the amount of 0.06-0.1 weight. hours in relation to the charge. This difference will reduce the recovery time by 3 times and lower the temperature by 100 ° C.
Пример. 200 г -гидроокиси железа перемешивают в смеси (спирт этиловый 66,32 вес. ч., олеинова -кислота 0,08 вес. ч. иExample. 200 g of iron hydroxide are mixed in a mixture (ethyl alcohol 66.32 parts by weight, oleic acid, 0.08 parts by weight, and
вода 33,6 вес. ч.) до пастообразного состо ни .water 33.6 wt. h) to a pasty state.
Полученную пасту восстанавливают ори 200-250°С в герметически закрытом аппарате в течение 20 мин. Затем магнетит охлал-сдают в зоне охлаждени без пропускани азота до комнатной температуры и окисл ют до у-окиси железа известным способом.The resulting paste is reduced to ori 200-250 ° C in a hermetically sealed apparatus for 20 minutes. Then the magnetite is cooled in the cooling zone without passing nitrogen to room temperature and is oxidized to γ-iron oxide in a known manner.
Предмет изобретени Subject invention
Claims (2)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU267612A1 true SU267612A1 (en) |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311684A (en) * | 1979-05-11 | 1982-01-19 | Tdk Electronics Co., Ltd. | Process for producing iron oxide containing magnetite |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311684A (en) * | 1979-05-11 | 1982-01-19 | Tdk Electronics Co., Ltd. | Process for producing iron oxide containing magnetite |
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