SU1643454A1 - Method of production of calcium peroxide peroxyhydrates - Google Patents
Method of production of calcium peroxide peroxyhydrates Download PDFInfo
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- SU1643454A1 SU1643454A1 SU4612060K SU4612060K SU1643454A1 SU 1643454 A1 SU1643454 A1 SU 1643454A1 SU 4612060 K SU4612060 K SU 4612060K SU 4612060 K SU4612060 K SU 4612060K SU 1643454 A1 SU1643454 A1 SU 1643454A1
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- hydrogen peroxide
- calcium
- molar ratio
- peroxide
- calcium hydroxide
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
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(21)4612060/26(21) 4612060/26
(22)25.10.88(22) 10/25/88
(46) 23.04.91. Бюл. № 15(46) 04.23.91. Bul Number 15
(72) Д.Г.Лемешева, В.Я.Росоловекий,(72) D.G. Lemeshev, V.Ya.Rosoloveky,
Т.В.Гладышева и Э.Н.ЧеркасовTV Gladysheva and E.N. Cherkasov
(53)661.49 (088.8)(53) 661.49 (088.8)
(56)Вольнов И.И. Перекисные соединени щелочно-земельных металлов. - М.: Наука, 1983, с. 65-66.(56) Volnov I.I. Alkaline earth metal peroxide compounds. - M .: Science, 1983, p. 65-66.
(54)СПОСОБ ПОЛУЧЕНИЯ ПЕРОКСИГИДРАТОВ(54) METHOD OF OBTAINING PEROXYHYDRATES
ПЕРОКСИДА КАЛЬЦИЯCALCIUM PEROXIDE
(57)Изобретение относитс к техноло гии получени твердых носителей кислорода и может быть использовано при производстве отбеливающих и дезинфицирующих средств. Цель изобретени - упрощение процесса за счет его проведени в одну стадию. Пероксигидраты пероксида кальци общей формулы получают путем присыпани при перемешивании сухого гидрок-. сида кальци к водному раствору, содержащему 31-50 мас.% пероксида водорода , до мол рного отношени Нг02 : : Са(ОН)2 4 - 26, преимущественно 6,5-12. Образовавшуюс смесь выдерживают 2-25 ч при -20 - 20°С, а затем отдел ют твердую фазу от раствора . Предлагаемое изобретение по сравнению с известным позвол ет исключить стадию образовани промежуточного соединени , а также облегчить контроль температуры в процессе смешени ингредиентов и уменьшить веро тность локального перегрева реакционной смеси. 1 з.п. ф-лы, 1 табл.(57) The invention relates to a process for producing solid oxygen carriers and can be used in the manufacture of bleaching and disinfecting agents. The purpose of the invention is to simplify the process by conducting it in one stage. Calcium peroxide peroxyhydrates of the general formula are prepared by powdering dry hydro- with stirring. calcium sulfide to an aqueous solution containing 31-50 wt.% hydrogen peroxide, to a molar ratio of Hg02: Ca (OH) 2 4 - 26, preferably 6.5-12. The resulting mixture is kept for 2-25 hours at -20-20 ° C, and then the solid phase is separated from the solution. The present invention, in comparison with the known, allows eliminating the stage of formation of the intermediate compound, as well as facilitating temperature control during the process of mixing the ingredients and reducing the likelihood of local overheating of the reaction mixture. 1 hp f-ly, 1 tab.
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Изобретение относитс к получению пероксигидратов пероксида кальци , которые вл ютс твердыми носител ми активного кислорода и пероксида водорода и могут быть использованы в качестве отбеливающих и дезинфицирующих средств, а также в качестве исходных веществ дл получени супероксидных соединений металлов.The invention relates to the preparation of calcium peroxide peroxyhydrates, which are solid carriers of active oxygen and hydrogen peroxide and can be used as bleaching and disinfecting agents, as well as starting materials for the production of superoxide metal compounds.
Цель изобретени - упрощение процесса за счет его проведени в одну стадию.The purpose of the invention is to simplify the process by conducting it in one stage.
Пероксигидраты пероксида кальци общей формулы х Н20г, где х 0,5- 1,5, получают путем медленного совмещени при перемешивании сухого гидроксида кальци и водного раствора пероксида водорода с концентрацией 31 - 50 мас.%. Совмещение ведут до мол рного отношени Hg02 : Са(ОН)2 4 - 26. Температуру реакционной смеси поддерживают в интервале -20 - 20°С в течение 2-25 ч. Чистота получаемого продукта 93-100 мас.%, выход по кальцию 9.5 - 98 мас.%.Calcium peroxide peroxyhydrates of the general formula x H20g, where x 0.5-1.5, are obtained by slowly combining with stirring dry calcium hydroxide and an aqueous solution of hydrogen peroxide with a concentration of 31-50% by weight. The combination is carried out to a molar ratio of Hg02: Ca (OH) 2 4 - 26. The temperature of the reaction mixture is maintained in the range of -20 - 20 ° C for 2-25 hours. The purity of the obtained product is 93-100 wt.%, The calcium yield is 9.5 - 98 wt.%.
С учетом оптимального расхода пероксида водорода указанной концентрации наиболее стабильные пероксигидра- ты пероксида водорода образуютс при мол рном отношении : Са(ОН)Ј 6,5 - 12.Taking into account the optimal consumption of hydrogen peroxide of the indicated concentration, the most stable hydrogen peroxide peroxyhydrates are formed at the molar ratio: Ca (OH) Ј 6.5 - 12.
Процесс идет по реакцииThe process is a reaction
Са(ОН)2 + (х+1) Н202 СаО х Нг02 + 2 НгО.Ca (OH) 2 + (x + 1) H202 CaO x Hg02 + 2 HgO.
Величина х зависит от исходной концентрации пероксида водорода, темСThe value of x depends on the initial concentration of hydrogen peroxide,
о 4about 4
%%
пературы и мол рного отношени ингредиентов . С ростом концентрации исходного раствора перокснда вбдорода врем образовани целевого продукта заданного состава и мол рное соотношение HgO : Са(ОН)2 уменьшаютс , а интервал рабочих температур расшир етс .perurature and molar ratio of ingredients. With an increase in the concentration of the initial peroxide solution in the species, the formation time of the target product of a given composition and the molar ratio of HgO: Ca (OH) 2 decreases, and the working temperature range expands.
ПримерExample
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884612060A SU1643453A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
Publications (1)
Publication Number | Publication Date |
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SU1643454A1 true SU1643454A1 (en) | 1991-04-23 |
Family
ID=21412342
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4612060K SU1643454A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
SU4612060L SU1643455A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
SU4612060M SU1643456A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
SU884612060A SU1643453A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4612060L SU1643455A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
SU4612060M SU1643456A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
SU884612060A SU1643453A1 (en) | 1988-10-25 | 1988-10-25 | Method of production of calcium peroxide peroxyhydrates |
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SU (4) | SU1643454A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2692333C1 (en) * | 2019-02-20 | 2019-06-24 | Петр Валерьевич Приходченко | Method of producing encapsulated calcium peroxide granules |
-
1988
- 1988-10-25 SU SU4612060K patent/SU1643454A1/en active
- 1988-10-25 SU SU4612060L patent/SU1643455A1/en active
- 1988-10-25 SU SU4612060M patent/SU1643456A1/en active
- 1988-10-25 SU SU884612060A patent/SU1643453A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2692333C1 (en) * | 2019-02-20 | 2019-06-24 | Петр Валерьевич Приходченко | Method of producing encapsulated calcium peroxide granules |
Also Published As
Publication number | Publication date |
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SU1643453A1 (en) | 1991-04-23 |
SU1643456A1 (en) | 1991-04-23 |
SU1643455A1 (en) | 1991-04-23 |
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