CA2033694A1 - Process for extracting impurities from natural cellulose - Google Patents
Process for extracting impurities from natural celluloseInfo
- Publication number
- CA2033694A1 CA2033694A1 CA002033694A CA2033694A CA2033694A1 CA 2033694 A1 CA2033694 A1 CA 2033694A1 CA 002033694 A CA002033694 A CA 002033694A CA 2033694 A CA2033694 A CA 2033694A CA 2033694 A1 CA2033694 A1 CA 2033694A1
- Authority
- CA
- Canada
- Prior art keywords
- kettle
- liquid
- treatment liquid
- pressure
- treatment
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000012535 impurity Substances 0.000 title claims abstract description 15
- 229920002678 cellulose Polymers 0.000 title abstract description 19
- 239000001913 cellulose Substances 0.000 title abstract description 19
- 230000008569 process Effects 0.000 title description 5
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 31
- 238000004061 bleaching Methods 0.000 claims description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- 229920003043 Cellulose fiber Polymers 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 239000003352 sequestering agent Substances 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000004904 shortening Methods 0.000 claims 1
- 229920000742 Cotton Polymers 0.000 description 15
- 230000035484 reaction time Effects 0.000 description 14
- 239000000080 wetting agent Substances 0.000 description 12
- 238000000605 extraction Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 235000011121 sodium hydroxide Nutrition 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000001804 emulsifying effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 240000002129 Malva sylvestris Species 0.000 description 3
- 235000006770 Malva sylvestris Nutrition 0.000 description 3
- 235000013351 cheese Nutrition 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000008237 rinsing water Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 240000008564 Boehmeria nivea Species 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 2
- 235000004431 Linum usitatissimum Nutrition 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009990 desizing Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009999 singeing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/18—Working under pressure in closed vessels
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/22—Processes involving successive treatments with aqueous and organic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/30—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using reducing agents
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Detergent Compositions (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4000347A DE4000347C1 (enrdf_load_stackoverflow) | 1990-01-08 | 1990-01-08 | |
| DEP4000347.7-12 | 1990-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2033694A1 true CA2033694A1 (en) | 1991-07-09 |
Family
ID=6397737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002033694A Abandoned CA2033694A1 (en) | 1990-01-08 | 1991-01-07 | Process for extracting impurities from natural cellulose |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0436849A1 (enrdf_load_stackoverflow) |
| JP (1) | JPH04153364A (enrdf_load_stackoverflow) |
| AR (1) | AR244367A1 (enrdf_load_stackoverflow) |
| BR (1) | BR9100042A (enrdf_load_stackoverflow) |
| CA (1) | CA2033694A1 (enrdf_load_stackoverflow) |
| DE (1) | DE4000347C1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653530B (zh) * | 2017-10-25 | 2023-08-11 | 深圳恒锋资源股份有限公司 | 一种超细旦再生纤维高支纱线的生产工艺和生产系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB593206A (en) * | 1944-03-11 | 1947-10-10 | Hercules Powder Co Ltd | Process for purifying cotton linters |
| GB806448A (en) * | 1956-09-25 | 1958-12-23 | Ministry Of Agriculture | A method of debarking cotton or the like stalks and the manufacturing of pulp therefrom |
| SE422818B (sv) * | 1978-03-31 | 1982-03-29 | Modo Chemetrics Ab | Forfarande for foredling av allulosamassa genom blekning eller extrahering |
-
1990
- 1990-01-08 DE DE4000347A patent/DE4000347C1/de not_active Expired - Fee Related
- 1990-12-05 AR AR90318543A patent/AR244367A1/es active
- 1990-12-10 EP EP90123720A patent/EP0436849A1/de not_active Withdrawn
-
1991
- 1991-01-07 JP JP3000167A patent/JPH04153364A/ja not_active Withdrawn
- 1991-01-07 BR BR919100042A patent/BR9100042A/pt unknown
- 1991-01-07 CA CA002033694A patent/CA2033694A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AR244367A1 (es) | 1993-10-29 |
| EP0436849A1 (de) | 1991-07-17 |
| BR9100042A (pt) | 1991-10-22 |
| DE4000347C1 (enrdf_load_stackoverflow) | 1991-04-25 |
| JPH04153364A (ja) | 1992-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |