SU436118A1 - - Google Patents
Info
- Publication number
- SU436118A1 SU436118A1 SU1827829A SU1827829A SU436118A1 SU 436118 A1 SU436118 A1 SU 436118A1 SU 1827829 A SU1827829 A SU 1827829A SU 1827829 A SU1827829 A SU 1827829A SU 436118 A1 SU436118 A1 SU 436118A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- bleaching
- cellulose
- pulp
- same
- treatment
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- 239000007844 bleaching agent Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000004155 Chlorine dioxide Substances 0.000 description 3
- 235000019398 chlorine dioxide Nutrition 0.000 description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1827829A SU436118A1 (fr) | 1972-09-11 | 1972-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1827829A SU436118A1 (fr) | 1972-09-11 | 1972-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU436118A1 true SU436118A1 (fr) | 1974-07-15 |
Family
ID=20526831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1827829A SU436118A1 (fr) | 1972-09-11 | 1972-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU436118A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859282A (en) * | 1988-04-15 | 1989-08-22 | E. I. Du Pont De Nemours And Company | Acid purification of product from alkaline peroxide processing of nonwoody lignocellulosic substrates |
| RU2771931C2 (ru) * | 2020-06-30 | 2022-05-13 | Общество с ограниченной ответственностью "Кристацел" | Способ отбелки микрокристаллической целлюлозы |
-
1972
- 1972-09-11 SU SU1827829A patent/SU436118A1/ru active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859282A (en) * | 1988-04-15 | 1989-08-22 | E. I. Du Pont De Nemours And Company | Acid purification of product from alkaline peroxide processing of nonwoody lignocellulosic substrates |
| RU2771931C2 (ru) * | 2020-06-30 | 2022-05-13 | Общество с ограниченной ответственностью "Кристацел" | Способ отбелки микрокристаллической целлюлозы |
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