SU1727348A1 - METHOD FOR PRODUCING ALUMINUM OXIDE - Google Patents
METHOD FOR PRODUCING ALUMINUM OXIDEInfo
- Publication number
- SU1727348A1 SU1727348A1 SU4687213/26A SU4687213A SU1727348A1 SU 1727348 A1 SU1727348 A1 SU 1727348A1 SU 4687213/26 A SU4687213/26 A SU 4687213/26A SU 4687213 A SU4687213 A SU 4687213A SU 1727348 A1 SU1727348 A1 SU 1727348A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- aluminum oxide
- nitric acid
- producing aluminum
- mol
- aqueous solution
- Prior art date
Links
Abstract
Способ получения оксида алюминия, включающий пластификацию гидроксида алюминия водным раствором, содержащим азотную кислоту, формование гранул и их термообработку, отличающийся тем, что, с целью повышения прочности гранул и улучшения экологии процесса, в качестве водного раствора, содержащего азотную кислоту, используют смесь растворов азотной кислоты и мочевины в количестве 0,5 - 1,0 моль мочевины на 1 моль азотной кислоты.The method of producing aluminum oxide, including the plasticization of aluminum hydroxide with an aqueous solution containing nitric acid, the molding of pellets and their heat treatment, characterized in that, in order to increase the strength of the granules and improve the ecology of the process, a mixture of nitric solutions is used as an aqueous solution containing nitric acid acids and urea in the amount of 0.5 - 1.0 mol of urea per 1 mol of nitric acid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4687213/26A SU1727348A1 (en) | 1989-05-11 | 1989-05-11 | METHOD FOR PRODUCING ALUMINUM OXIDE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4687213/26A SU1727348A1 (en) | 1989-05-11 | 1989-05-11 | METHOD FOR PRODUCING ALUMINUM OXIDE |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1727348A1 true SU1727348A1 (en) | 2000-09-10 |
Family
ID=60532448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4687213/26A SU1727348A1 (en) | 1989-05-11 | 1989-05-11 | METHOD FOR PRODUCING ALUMINUM OXIDE |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1727348A1 (en) |
-
1989
- 1989-05-11 SU SU4687213/26A patent/SU1727348A1/en active
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