CS213345B2 - Způsob přípravy chemické buničiny - Google Patents
Způsob přípravy chemické buničiny Download PDFInfo
- Publication number
- CS213345B2 CS213345B2 CS784215A CS421578A CS213345B2 CS 213345 B2 CS213345 B2 CS 213345B2 CS 784215 A CS784215 A CS 784215A CS 421578 A CS421578 A CS 421578A CS 213345 B2 CS213345 B2 CS 213345B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- pulp
- weight
- batch
- chlorine
- alkali
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 229920001131 Pulp (paper) Polymers 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title description 7
- 239000000460 chlorine Substances 0.000 claims description 20
- 239000003513 alkali Substances 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000004061 bleaching Methods 0.000 claims description 17
- 229920002678 cellulose Polymers 0.000 claims description 15
- 239000001913 cellulose Substances 0.000 claims description 15
- 239000002023 wood Substances 0.000 claims description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 6
- 239000002655 kraft paper Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229920002488 Hemicellulose Polymers 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 4
- 239000004155 Chlorine dioxide Substances 0.000 claims description 3
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims 1
- 230000035484 reaction time Effects 0.000 description 14
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000005517 mercerization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI772042A FI54941C (fi) | 1977-06-30 | 1977-06-30 | Foerfarande foer framstaellning av cellulosa innehaollande oever 90 vikt-% alfa-cellulosa genom sulfatprocess |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS213345B2 true CS213345B2 (cs) | 1982-04-09 |
Family
ID=8510942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS784215A CS213345B2 (cs) | 1977-06-30 | 1978-06-27 | Způsob přípravy chemické buničiny |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5415001A (pl) |
| BR (1) | BR7804169A (pl) |
| CS (1) | CS213345B2 (pl) |
| FI (1) | FI54941C (pl) |
| NO (1) | NO151475C (pl) |
| PL (1) | PL112256B1 (pl) |
| SE (1) | SE436429B (pl) |
-
1977
- 1977-06-30 FI FI772042A patent/FI54941C/fi not_active IP Right Cessation
-
1978
- 1978-06-13 SE SE7806815A patent/SE436429B/sv not_active IP Right Cessation
- 1978-06-27 CS CS784215A patent/CS213345B2/cs unknown
- 1978-06-28 JP JP7846778A patent/JPS5415001A/ja active Pending
- 1978-06-29 PL PL1978208012A patent/PL112256B1/pl unknown
- 1978-06-29 NO NO782250A patent/NO151475C/no unknown
- 1978-06-29 BR BR7804169A patent/BR7804169A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL208012A1 (pl) | 1979-03-12 |
| NO151475B (no) | 1985-01-02 |
| FI54941B (fi) | 1978-12-29 |
| JPS5415001A (en) | 1979-02-03 |
| NO151475C (no) | 1985-04-17 |
| SE7806815L (sv) | 1978-12-31 |
| BR7804169A (pt) | 1979-02-28 |
| FI54941C (fi) | 1979-04-10 |
| NO782250L (no) | 1979-01-03 |
| PL112256B1 (en) | 1980-10-31 |
| SE436429B (sv) | 1984-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11891725B2 (en) | Recycling of cellulosic textiles | |
| KR102559550B1 (ko) | 용해용 펄프 제조 방법 및 용해용 펄프 | |
| CN109071827A (zh) | 交联牛皮纸浆组合物和方法 | |
| Jahan et al. | Process for the production of dissolving pulp from Trema orientalis (Finalita) by prehydrolysis kraft and soda-ethylenediamine (EDA) process | |
| CN110100057A (zh) | 制造溶解纸浆的方法 | |
| US2749241A (en) | Process for producing semi-chemical pulp | |
| CN111877047A (zh) | 一种纺丝级二醋酸纤维素用棉浆粕的生产工艺 | |
| EP0060277B1 (en) | Process to produce pulps | |
| US3558428A (en) | Method in the manufacture of chemomechanical pulps | |
| KR101885558B1 (ko) | 알칼리 수용액으로 펄핑한 홍조류 또는 홍조류 잔사를 이용하는 펄프의 제조방법 및 이로부터 제조된 종이 | |
| CS213345B2 (cs) | Způsob přípravy chemické buničiny | |
| US2099400A (en) | Preparation of paper pulp | |
| US1880044A (en) | Process of alkaline fiber liberation | |
| US2992155A (en) | Process for manufacturing rayon pulp of high purity from bagasse | |
| FI63449B (fi) | Foerfarande foer framstaellning av oblekt sulfitcellulosa med hoeg ljushet renhet och styrka eller blekt cellulosa fraon kvistmassa | |
| WO1997019221A1 (de) | Verfahren zur gewinnung von cellulosefasermaterial aus calciumpektinat-haltigem, pflanzlichem substrat | |
| SU1730299A1 (ru) | Способ получени целлюлозы дл химической переработки | |
| US2944929A (en) | Rapid soda process for pulping bagasse and other non-woody plant lignocellulose | |
| KR20140017931A (ko) | 인피섬유로부터 펄프를 제조하는 방법 | |
| US1867593A (en) | Process of chemical fiber liberation | |
| JPH0160111B2 (pl) | ||
| Wu et al. | Preparation of Dissolving Pulp Made from Poplar Residual Slabs and Effect of Xylanase Post-treatment on Its Reactivity. | |
| SU1044703A1 (ru) | Варочный раствор дл получени полуцеллюлозы | |
| US1635637A (en) | Process of producing white pulp of high strength | |
| KR0129680B1 (ko) | 비 목질계 식물섬유로부터 제지용 펄프의 제조방법 |