SU528263A1 - The method of producing iron oxides - Google Patents
The method of producing iron oxidesInfo
- Publication number
- SU528263A1 SU528263A1 SU1834939A SU1834939A SU528263A1 SU 528263 A1 SU528263 A1 SU 528263A1 SU 1834939 A SU1834939 A SU 1834939A SU 1834939 A SU1834939 A SU 1834939A SU 528263 A1 SU528263 A1 SU 528263A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- iron oxides
- iron
- oxides
- hydrates
- producing iron
- Prior art date
Links
Landscapes
- Compounds Of Iron (AREA)
Description
HovTytiaioT продукт буровато-черного цвета. Содержание ,2%, общее содержание Fe-64,9%, 504 -следы. Удельна поверхность 42,3 .HovTytiaioT is a brownish-black product. Content, 2%, total Fe-64.9%, 504 traces. The specific surface is 42.3.
Пример 2. Загрузку исходных реагентов и все операции осуществл ют аналогично примеру 1, сушку и дегидратацию провод т при 20°С и остаточном давлении 10-0,.5 мм рт. ст. Полученный продукт имеет следующий состав: ,4%, общее содержание Ре - 59,3% SO 4 -0,53%. Удельна поверхность 68,4 м2/г.Example 2. The loading of the initial reagents and all operations were carried out analogously to example 1, drying and dehydration was carried out at 20 ° C and a residual pressure of 10-0, .5 mm Hg. Art. The resulting product has the following composition:, 4%, total Fe content - 59.3% SO 4 -0.53%. The specific surface is 68.4 m2 / g.
Пример 3. 350 г FeSO4-71 20 раствор ют в 1,5 л воды, 160 г КОН раствор ют в 1 л воды. Раствор щелочи ввод т при интенсивном перемещивании в раствор соли железа. Осадок гидрата закиси железа промывают 10 раз охлажденной кип ченой водой, фильтруют и сушат при 50°С и остаточном давлении 20- 1 мм рт. ст. Готовый продукт имеет состав: Fe2+-3,7%, Реобщ 65,0%, -следы.Example 3. 350 g of FeSO4-71 20 are dissolved in 1.5 l of water, 160 g of KOH are dissolved in 1 l of water. The alkali solution is introduced with intensive transfer into the salt solution of iron. The ferrous oxide hydrate precipitate is washed 10 times with cooled boiled water, filtered and dried at 50 ° C and a residual pressure of 20-1 mm Hg. Art. The finished product has the composition: Fe2 + -3.7%, Revers 65.0%, -tracks.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1834939A SU528263A1 (en) | 1972-10-05 | 1972-10-05 | The method of producing iron oxides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1834939A SU528263A1 (en) | 1972-10-05 | 1972-10-05 | The method of producing iron oxides |
Publications (1)
Publication Number | Publication Date |
---|---|
SU528263A1 true SU528263A1 (en) | 1976-09-15 |
Family
ID=20528855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1834939A SU528263A1 (en) | 1972-10-05 | 1972-10-05 | The method of producing iron oxides |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU528263A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA033886B1 (en) * | 2008-12-30 | 2019-12-05 | Беиджинг Санджу Энвиронмент Протекшин Энд Нью Материал Ко., Лтд. | Method for preparing a composition containing amorphous iron oxide hydroxide |
-
1972
- 1972-10-05 SU SU1834939A patent/SU528263A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA033886B1 (en) * | 2008-12-30 | 2019-12-05 | Беиджинг Санджу Энвиронмент Протекшин Энд Нью Материал Ко., Лтд. | Method for preparing a composition containing amorphous iron oxide hydroxide |
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