GB1392979A - Process for the prepartion of cellulose pulp - Google Patents
Process for the prepartion of cellulose pulpInfo
- Publication number
- GB1392979A GB1392979A GB5757472A GB5757472A GB1392979A GB 1392979 A GB1392979 A GB 1392979A GB 5757472 A GB5757472 A GB 5757472A GB 5757472 A GB5757472 A GB 5757472A GB 1392979 A GB1392979 A GB 1392979A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- magnesium
- bleaching
- peroxide
- liquor
- 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
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 6
- 238000004061 bleaching Methods 0.000 abstract 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 abstract 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 abstract 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 abstract 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- 239000007844 bleaching agent Substances 0.000 abstract 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 abstract 2
- 150000002978 peroxides Chemical class 0.000 abstract 2
- 125000006545 (C1-C9) alkyl group Chemical group 0.000 abstract 1
- DLVZBSZXZDGKQY-UHFFFAOYSA-N 2,2-dihydroxybutanoic acid Chemical compound CCC(O)(O)C(O)=O DLVZBSZXZDGKQY-UHFFFAOYSA-N 0.000 abstract 1
- RNMCCPMYXUKHAZ-UHFFFAOYSA-N 2-[3,3-diamino-1,2,2-tris(carboxymethyl)cyclohexyl]acetic acid Chemical compound NC1(N)CCCC(CC(O)=O)(CC(O)=O)C1(CC(O)=O)CC(O)=O RNMCCPMYXUKHAZ-UHFFFAOYSA-N 0.000 abstract 1
- RGHNJXZEOKUKBD-MGCNEYSASA-N D-galactonic acid Chemical compound OC[C@@H](O)[C@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-MGCNEYSASA-N 0.000 abstract 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 abstract 1
- RGHNJXZEOKUKBD-MBMOQRBOSA-N D-mannonic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O RGHNJXZEOKUKBD-MBMOQRBOSA-N 0.000 abstract 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 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
- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 abstract 1
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 229920002522 Wood fibre Polymers 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- -1 alkali metal salts Chemical class 0.000 abstract 1
- 229960001484 edetic acid Drugs 0.000 abstract 1
- OUDSFQBUEBFSPS-UHFFFAOYSA-N ethylenediaminetriacetic acid Chemical compound OC(=O)CNCCN(CC(O)=O)CC(O)=O OUDSFQBUEBFSPS-UHFFFAOYSA-N 0.000 abstract 1
- 239000000174 gluconic acid Substances 0.000 abstract 1
- 235000012208 gluconic acid Nutrition 0.000 abstract 1
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 abstract 1
- 239000004310 lactic acid Substances 0.000 abstract 1
- 235000014655 lactic acid Nutrition 0.000 abstract 1
- 150000002680 magnesium Chemical class 0.000 abstract 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 abstract 1
- 239000011654 magnesium acetate Substances 0.000 abstract 1
- 235000011285 magnesium acetate Nutrition 0.000 abstract 1
- 229940069446 magnesium acetate Drugs 0.000 abstract 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
- 239000001095 magnesium carbonate Substances 0.000 abstract 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract 1
- 229910001629 magnesium chloride Inorganic materials 0.000 abstract 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract 1
- 239000000347 magnesium hydroxide Substances 0.000 abstract 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 125000000896 monocarboxylic acid 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
- 238000012216 screening Methods 0.000 abstract 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1597371A SE363650B (enrdf_load_stackoverflow) | 1971-12-14 | 1971-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1392979A true GB1392979A (en) | 1975-05-07 |
Family
ID=20301521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5757472A Expired GB1392979A (en) | 1971-12-14 | 1972-12-13 | Process for the prepartion of cellulose pulp |
Country Status (12)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178769A (en) * | 1985-08-05 | 1987-02-18 | Kao Corp | Bleaching improving composition |
| CN110257453A (zh) * | 2019-05-28 | 2019-09-20 | 中国林业科学研究院林产化学工业研究所 | 一种提高纤维原料生物酶解转化率制备可发酵糖的预处理方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE413684C (sv) * | 1974-09-23 | 1987-05-18 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 % |
| SE387977B (sv) * | 1975-01-27 | 1976-09-20 | Elektrokemiska Ab | Sett att framstella blekt, mekanisk massa med hog styrka och ljushet |
| NO760666L (no) * | 1976-02-27 | 1977-08-30 | Papirind Forskningsinst | Fremgangsm}te ved fremstilling av mekaniske masser. |
| SE420329C (sv) * | 1978-02-16 | 1984-10-15 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa vid overtryck |
| SE433954B (sv) * | 1980-03-25 | 1984-06-25 | Mo Och Domsjoe Ab | Forfarande och anordning for reduktion av vid framstellning av slipmassa fran vedstockar i stenslipverk uppkomna grovre vedrester och spetor jemte reglering av massans freeness |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR925243A (fr) * | 1945-04-05 | 1947-08-28 | St Regis Paper Co | Perfectionnements apportés à la pâte blanchie de bois moulu et à ses procédés de fabrication |
| US3023140A (en) * | 1958-11-24 | 1962-02-27 | Bauer Bros Co | Pulp bleaching |
-
0
- BE BE792031D patent/BE792031A/xx not_active IP Right Cessation
-
1971
- 1971-12-14 SE SE1597371A patent/SE363650B/xx unknown
-
1972
- 1972-12-01 FI FI341672A patent/FI54342C/fi active
- 1972-12-12 IT IT7089272A patent/IT976017B/it active
- 1972-12-13 GB GB5757472A patent/GB1392979A/en not_active Expired
- 1972-12-13 NO NO460172A patent/NO131847C/no unknown
- 1972-12-13 NL NL7216935A patent/NL154286B/xx not_active IP Right Cessation
- 1972-12-13 CA CA158,759A patent/CA973662A/en not_active Expired
- 1972-12-14 AT AT1064972A patent/AT323548B/de not_active IP Right Cessation
- 1972-12-14 DE DE19722261049 patent/DE2261049C3/de not_active Expired
- 1972-12-14 FR FR7244479A patent/FR2165529A5/fr not_active Expired
- 1972-12-14 CH CH1802572A patent/CH560288A5/xx not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178769A (en) * | 1985-08-05 | 1987-02-18 | Kao Corp | Bleaching improving composition |
| CN110257453A (zh) * | 2019-05-28 | 2019-09-20 | 中国林业科学研究院林产化学工业研究所 | 一种提高纤维原料生物酶解转化率制备可发酵糖的预处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| AT323548B (de) | 1975-07-10 |
| IT976017B (it) | 1974-08-20 |
| DE2261049B2 (de) | 1978-04-06 |
| CA973662A (en) | 1975-09-02 |
| NO131847C (enrdf_load_stackoverflow) | 1975-08-13 |
| SE363650B (enrdf_load_stackoverflow) | 1974-01-28 |
| NL7216935A (enrdf_load_stackoverflow) | 1973-06-18 |
| BE792031A (fr) | 1973-03-16 |
| DE2261049A1 (de) | 1973-06-20 |
| FI54342C (fi) | 1978-11-10 |
| NO131847B (enrdf_load_stackoverflow) | 1975-05-05 |
| DE2261049C3 (de) | 1986-02-13 |
| NL154286B (nl) | 1977-08-15 |
| CH560288A5 (enrdf_load_stackoverflow) | 1975-03-27 |
| FI54342B (fi) | 1978-07-31 |
| FR2165529A5 (enrdf_load_stackoverflow) | 1973-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19921212 |