GB156777A - Improvements in or relating to the treatment of crude cellulose - Google Patents
Improvements in or relating to the treatment of crude celluloseInfo
- Publication number
- GB156777A GB156777A GB852/21A GB85221A GB156777A GB 156777 A GB156777 A GB 156777A GB 852/21 A GB852/21 A GB 852/21A GB 85221 A GB85221 A GB 85221A GB 156777 A GB156777 A GB 156777A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ammonia
- subjected
- substances
- addition
- sulphur dioxide
- 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
- 239000001913 cellulose Substances 0.000 title abstract 3
- 229920002678 cellulose Polymers 0.000 title abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 8
- 229910021529 ammonia Inorganic materials 0.000 abstract 5
- 239000000126 substance Substances 0.000 abstract 4
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 4
- 239000004291 sulphur dioxide Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 3
- 229920005989 resin Polymers 0.000 abstract 3
- 239000011347 resin Substances 0.000 abstract 3
- 239000001648 tannin Substances 0.000 abstract 3
- 229920001864 tannin Polymers 0.000 abstract 3
- 235000018553 tannin Nutrition 0.000 abstract 3
- 210000003608 fece Anatomy 0.000 abstract 2
- 238000000855 fermentation Methods 0.000 abstract 2
- 230000004151 fermentation Effects 0.000 abstract 2
- 239000010871 livestock manure Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 2
- 239000002699 waste material Substances 0.000 abstract 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 1
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical class [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 241000779819 Syncarpia glomulifera Species 0.000 abstract 1
- 240000008042 Zea mays Species 0.000 abstract 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 abstract 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 abstract 1
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- YDIQKOIXOOOXQQ-UHFFFAOYSA-H dialuminum;trisulfite Chemical compound [Al+3].[Al+3].[O-]S([O-])=O.[O-]S([O-])=O.[O-]S([O-])=O YDIQKOIXOOOXQQ-UHFFFAOYSA-H 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 235000009973 maize Nutrition 0.000 abstract 1
- 235000013379 molasses Nutrition 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000001739 pinus spp. Substances 0.000 abstract 1
- 239000012286 potassium permanganate Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- 239000010902 straw Substances 0.000 abstract 1
- 229940036248 turpentine Drugs 0.000 abstract 1
- 239000002912 waste gas 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C3/14—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites ammonium bisulfite
Landscapes
- Paper (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR156777X | 1914-07-06 | ||
| GB2886423A GB229002A (en) | 1923-11-15 | 1923-11-15 | Improvements in the manufacture of wood pulp and by-products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB156777A true GB156777A (en) | 1922-06-07 |
Family
ID=26213812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB852/21A Expired GB156777A (en) | 1914-07-06 | 1921-01-07 | Improvements in or relating to the treatment of crude cellulose |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE749201C (de) * | 1942-10-28 | 1952-11-10 | Kurmaerkische Zellwolle Und Ze | Mehrstufiges Sulfitverfahren zur Herstellung eines zur chemischen Weiterverarbeitunggeeigneten Zellstoffes |
| DE746873C (de) * | 1942-10-28 | 1952-11-10 | Kurmaerkische Zellwolle Und Ze | Verfahren zur Herstellung eines zur chemischen Weiterverarbeitung geeigneten Zellstoffes nach dem Sulfitverfahren |
| DE975359C (de) * | 1951-01-18 | 1961-11-09 | Yrjoe Dipl-Ing Sivola | Verfahren zur Gewinnung von Zellstoff aus cellulosehaltigen Rohstoffen |
| DE964560C (de) * | 1953-04-02 | 1957-05-23 | Zentrales Projektierungsbuero | Verfahren zur Vorbehandlung von Hackschnitzeln mit Ammoniak beim Bisulfitzellstoffaufschluss |
| NL189136C (nl) * | 1953-08-14 | Roehm Gmbh | Polymeersuspensie, werkwijze ter bereiding daarvan alsmede toepassing daarvan. | |
| US2885317A (en) * | 1954-03-30 | 1959-05-05 | Stora Kopparbergs Bergslags Ab | Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood |
| DE1133234B (de) * | 1959-08-12 | 1962-07-12 | Montedison Spa | Verfahren zur Herstellung von Halbzellstoffen |
| DE102010009309A1 (de) | 2009-02-20 | 2011-02-03 | Technische Universität Dresden | Verfahren zur dreidimensionalen Umformung und Formfixierung von Furnieren |
-
0
- NL NL16847D patent/NL16847C/xx active
- FR FR24034A patent/FR24034E/fr not_active Expired
-
1914
- 1914-07-06 FR FR477895A patent/FR477895A/fr not_active Expired
-
1919
- 1919-04-17 FR FR22049A patent/FR22049E/fr not_active Expired
-
1920
- 1920-07-09 DE DEH81741D patent/DE469372C/de not_active Expired
- 1920-08-12 FR FR24174A patent/FR24174E/fr not_active Expired
-
1921
- 1921-01-07 GB GB852/21A patent/GB156777A/en not_active Expired
-
1924
- 1924-10-23 DE DEC35576D patent/DE495146C/de not_active Expired
- 1924-10-25 FR FR588071D patent/FR588071A/fr not_active Expired
- 1924-11-03 US US747675A patent/US1547907A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR588071A (fr) | 1925-04-29 |
| FR24174E (fr) | 1922-03-18 |
| FR22049E (fr) | 1921-04-21 |
| FR477895A (fr) | 1915-11-12 |
| FR24034E (fr) | 1922-02-20 |
| NL16847C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US1547907A (en) | 1925-07-28 |
| DE469372C (de) | 1928-12-11 |
| DE495146C (de) | 1930-04-02 |
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