GB736300A - Improvements in the preparation of semi-chemical pulp - Google Patents
Improvements in the preparation of semi-chemical pulpInfo
- Publication number
- GB736300A GB736300A GB5228/52A GB522852A GB736300A GB 736300 A GB736300 A GB 736300A GB 5228/52 A GB5228/52 A GB 5228/52A GB 522852 A GB522852 A GB 522852A GB 736300 A GB736300 A GB 736300A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- sodium
- per cent
- hours
- semi
- 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
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 6
- 238000010411 cooking Methods 0.000 abstract 3
- 239000004291 sulphur dioxide Substances 0.000 abstract 3
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- 229920003043 Cellulose fiber Polymers 0.000 abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 2
- 239000001913 cellulose Substances 0.000 abstract 2
- 239000011777 magnesium Substances 0.000 abstract 2
- 229910052749 magnesium Inorganic materials 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract 2
- 235000018185 Betula X alpestris Nutrition 0.000 abstract 1
- 235000018212 Betula X uliginosa Nutrition 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 1
- 229920002488 Hemicellulose Polymers 0.000 abstract 1
- 229920000388 Polyphosphate Polymers 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- -1 aliphatic amines Chemical class 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229960005363 aluminium oxide Drugs 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Substances [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000000908 ammonium hydroxide Substances 0.000 abstract 1
- 239000000872 buffer Substances 0.000 abstract 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 abstract 1
- 239000004295 calcium sulphite Substances 0.000 abstract 1
- 235000010261 calcium sulphite Nutrition 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229960001484 edetic acid Drugs 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 abstract 1
- 229920005610 lignin Polymers 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 125000005341 metaphosphate group Chemical group 0.000 abstract 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 abstract 1
- 239000001205 polyphosphate Substances 0.000 abstract 1
- 235000011176 polyphosphates Nutrition 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract 1
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 abstract 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 abstract 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 abstract 1
- 229940048086 sodium pyrophosphate Drugs 0.000 abstract 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 abstract 1
- 239000002023 wood Substances 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE300957X | 1951-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB736300A true GB736300A (en) | 1955-09-07 |
Family
ID=6097037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5228/52A Expired GB736300A (en) | 1951-02-28 | 1952-02-28 | Improvements in the preparation of semi-chemical pulp |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2851355A (en, 2012) |
| BE (1) | BE504423A (en, 2012) |
| CH (1) | CH300957A (en, 2012) |
| FR (1) | FR1062445A (en, 2012) |
| GB (1) | GB736300A (en, 2012) |
| NL (1) | NL90306C (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3013931A (en) * | 1957-02-01 | 1961-12-19 | Hawaiian Dev Company Ltd | Printing paper and process of making the same |
| US3069310A (en) * | 1960-10-14 | 1962-12-18 | Hammermill Paper Co | Semichemical pulping process for soft woods |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2906659A (en) * | 1953-07-13 | 1959-09-29 | Abitibi Power & Paper Co | High yields bisulphite pulping process |
| US3046184A (en) * | 1958-12-31 | 1962-07-24 | Kimberly Clark Co | Manufacture of cellulosic products |
| US3088861A (en) * | 1960-08-03 | 1963-05-07 | Weyerhaeuser Co | Method of manufacturing chemical pulp from lignocellulose material |
| US3448003A (en) * | 1966-01-03 | 1969-06-03 | Dow Chemical Co | On-stream cleaning of wood chip digesters using chelating agents |
| SE355614B (en, 2012) * | 1970-05-13 | 1973-04-30 | Mo Och Domsjoe Ab | |
| WO2013165425A1 (en) | 2012-05-03 | 2013-11-07 | Empire Technology Development Llc | Phosphonate-substituted lignin as a flame retardant |
| BR112017018968B1 (pt) | 2015-03-11 | 2022-02-22 | Andritz Inc | Processos semi-químico de formação de polpa de materiais lignocelulósicos |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1244525A (en) * | 1917-08-02 | 1917-10-30 | Tsuneya Marusawa | Process of manufacturing paper-pulp. |
| US1566118A (en) * | 1925-03-21 | 1925-12-15 | Citizens Of The United States | Method for the prevention of corrosion in steel digesters |
| US1792510A (en) * | 1925-07-01 | 1931-02-17 | Brown Co | Kraft-simulating pulp and process of producing same |
| US1859848A (en) * | 1926-09-03 | 1932-05-24 | Arthur M Hyde | Production of fibrous pulp from vegetable material |
| US1891337A (en) * | 1930-01-09 | 1932-12-20 | Du Pont | Process of producing cellulose |
| DE564738C (de) * | 1931-01-09 | 1932-11-23 | Patentaktiebolaget Groendal Ra | Verfahren zur Herstellung von Sulfitzellstoff |
| GB400974A (en) * | 1932-03-04 | 1933-11-06 | Henry Dreyfus | Improvements in or relating to the production of cellulosic materials or cellulose |
| US2564028A (en) * | 1946-01-17 | 1951-08-14 | Rayonier Inc | Wood pulp digestion |
| BE496841A (en, 2012) * | 1949-07-12 |
-
0
- NL NL90306D patent/NL90306C/xx active
- BE BE504423D patent/BE504423A/xx unknown
-
1951
- 1951-08-24 CH CH300957D patent/CH300957A/de unknown
- 1951-11-15 US US256593A patent/US2851355A/en not_active Expired - Lifetime
-
1952
- 1952-02-22 FR FR1062445D patent/FR1062445A/fr not_active Expired
- 1952-02-28 GB GB5228/52A patent/GB736300A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3013931A (en) * | 1957-02-01 | 1961-12-19 | Hawaiian Dev Company Ltd | Printing paper and process of making the same |
| US3069310A (en) * | 1960-10-14 | 1962-12-18 | Hammermill Paper Co | Semichemical pulping process for soft woods |
Also Published As
| Publication number | Publication date |
|---|---|
| US2851355A (en) | 1958-09-09 |
| BE504423A (en, 2012) | |
| FR1062445A (fr) | 1954-04-23 |
| NL90306C (en, 2012) | |
| CH300957A (de) | 1954-08-31 |
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