GB468306A - Improvements in or relating to the refining of wood pulp - Google Patents
Improvements in or relating to the refining of wood pulpInfo
- Publication number
- GB468306A GB468306A GB13208/36A GB1320836A GB468306A GB 468306 A GB468306 A GB 468306A GB 13208/36 A GB13208/36 A GB 13208/36A GB 1320836 A GB1320836 A GB 1320836A GB 468306 A GB468306 A GB 468306A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- pulp
- density
- washed
- contained
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 3
- 238000007670 refining Methods 0.000 title abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 24
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 8
- 238000010438 heat treatment Methods 0.000 abstract 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 abstract 2
- 239000004141 Sodium laurylsulphate Substances 0.000 abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 2
- 239000001913 cellulose Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000004040 coloring Methods 0.000 abstract 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 2
- 239000004571 lime Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 2
- 230000020477 pH reduction Effects 0.000 abstract 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 abstract 2
- WYPBVHPKMJYUEO-NBTZWHCOSA-M sodium;(9z,12z)-octadeca-9,12-dienoate Chemical compound [Na+].CCCCC\C=C/C\C=C/CCCCCCCC([O-])=O WYPBVHPKMJYUEO-NBTZWHCOSA-M 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 abstract 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 abstract 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 abstract 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000005642 Oleic acid Substances 0.000 abstract 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 abstract 1
- 150000001298 alcohols Chemical class 0.000 abstract 1
- RGCKGOZRHPZPFP-UHFFFAOYSA-N alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 159000000007 calcium salts Chemical class 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000005660 chlorination reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000003995 emulsifying agent Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US735438A US2074473A (en) | 1934-07-16 | 1934-07-16 | Process of removing coloring matter from wood pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB468306A true GB468306A (en) | 1937-07-02 |
Family
ID=10018795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13208/36A Expired GB468306A (en) | 1934-07-16 | 1936-05-09 | Improvements in or relating to the refining of wood pulp |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2074473A (enrdf_load_stackoverflow) |
| BE (1) | BE415620A (enrdf_load_stackoverflow) |
| CH (1) | CH191024A (enrdf_load_stackoverflow) |
| FR (1) | FR807159A (enrdf_load_stackoverflow) |
| GB (1) | GB468306A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2502330A (en) * | 1943-03-01 | 1950-03-28 | Clarence E Libby | Washing paper pulp to remove coloring matter |
| US2716058A (en) * | 1950-06-24 | 1955-08-23 | Int Paper Canada | Deresination of wood pulp |
| US2738271A (en) * | 1954-04-02 | 1956-03-13 | Fiber Processors Inc | Process for degumming ramie fiber |
| US3174896A (en) * | 1961-12-14 | 1965-03-23 | Rayonier Inc | Treatment of spent caustic solution |
| FI121382B (fi) * | 2002-12-23 | 2010-10-29 | Arizona Chemical B V | Puunkeiton apuaine, sen valmistus ja käyttö |
-
1934
- 1934-07-16 US US735438A patent/US2074473A/en not_active Expired - Lifetime
-
1936
- 1936-05-09 GB GB13208/36A patent/GB468306A/en not_active Expired
- 1936-05-16 FR FR807159D patent/FR807159A/fr not_active Expired
- 1936-05-19 BE BE415620D patent/BE415620A/xx unknown
- 1936-05-30 CH CH191024D patent/CH191024A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH191024A (de) | 1937-05-31 |
| FR807159A (fr) | 1937-01-06 |
| US2074473A (en) | 1937-03-23 |
| BE415620A (enrdf_load_stackoverflow) | 1936-06-30 |
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