RU2014109810A - TCF-TARGET OF DECORATED PULP CELLULOSE - Google Patents
TCF-TARGET OF DECORATED PULP CELLULOSE Download PDFInfo
- Publication number
- RU2014109810A RU2014109810A RU2014109810/05A RU2014109810A RU2014109810A RU 2014109810 A RU2014109810 A RU 2014109810A RU 2014109810/05 A RU2014109810/05 A RU 2014109810/05A RU 2014109810 A RU2014109810 A RU 2014109810A RU 2014109810 A RU2014109810 A RU 2014109810A
- Authority
- RU
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- Prior art keywords
- stage
- alkaline
- cellulose
- carried out
- pulp
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Abstract
Способ отбелки небеленой целлюлозы, включающий чередование кислотной и щелочной обработок, отличающийся тем, что целлюлозу после кислородно-щелочной обработки на первой ступени обрабатывают серной кислотой, на второй ступени пероксидную отбелку в щелочной среде проводят в присутствии стабилизатора - сульфата магния, третью ступень проводят путем обработки целлюлозы моносахаридами в присутствии серной кислоты, на четвертой ступени целлюлозу подвергают обработке пероксидом водорода в щелочной среде.The method of bleaching unbleached pulp, including alternating acid and alkaline treatments, characterized in that the pulp after oxygen-alkaline treatment in the first stage is treated with sulfuric acid, in the second stage peroxide bleaching in an alkaline medium is carried out in the presence of a stabilizer - magnesium sulfate, the third stage is carried out by processing cellulose monosaccharides in the presence of sulfuric acid, at the fourth stage, the cellulose is subjected to treatment with hydrogen peroxide in an alkaline environment.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2014109810/05A RU2014109810A (en) | 2014-03-13 | 2014-03-13 | TCF-TARGET OF DECORATED PULP CELLULOSE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2014109810/05A RU2014109810A (en) | 2014-03-13 | 2014-03-13 | TCF-TARGET OF DECORATED PULP CELLULOSE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2014109810A true RU2014109810A (en) | 2015-09-20 |
Family
ID=54147572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2014109810/05A RU2014109810A (en) | 2014-03-13 | 2014-03-13 | TCF-TARGET OF DECORATED PULP CELLULOSE |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2014109810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2771931C2 (en) * | 2020-06-30 | 2022-05-13 | Общество с ограниченной ответственностью "Кристацел" | Method for bleaching microcrystalline cellulose |
-
2014
- 2014-03-13 RU RU2014109810/05A patent/RU2014109810A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2771931C2 (en) * | 2020-06-30 | 2022-05-13 | Общество с ограниченной ответственностью "Кристацел" | Method for bleaching microcrystalline cellulose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20150821 |