BE501414A - - Google Patents
Info
- Publication number
- BE501414A BE501414A BE501414DA BE501414A BE 501414 A BE501414 A BE 501414A BE 501414D A BE501414D A BE 501414DA BE 501414 A BE501414 A BE 501414A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- sheet
- liquor
- naoh
- cellulose
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 47
- 239000001913 cellulose Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 38
- 230000008569 process Effects 0.000 claims description 28
- 230000009471 action Effects 0.000 claims description 8
- 235000010980 cellulose Nutrition 0.000 claims 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 180
- 235000011121 sodium hydroxide Nutrition 0.000 description 60
- 238000002791 soaking Methods 0.000 description 38
- 229920000297 Rayon Polymers 0.000 description 21
- 230000035515 penetration Effects 0.000 description 15
- 235000021395 porridge Nutrition 0.000 description 14
- 239000000835 fiber Substances 0.000 description 13
- 239000002002 slurry Substances 0.000 description 11
- 238000007598 dipping method Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 9
- 229920002488 Hemicellulose Polymers 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 238000009736 wetting Methods 0.000 description 6
- 239000003518 caustics Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229920000298 Cellophane Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 235000005018 Pinus echinata Nutrition 0.000 description 1
- 241001236219 Pinus echinata Species 0.000 description 1
- 235000017339 Pinus palustris Nutrition 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005517 mercerization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/08—Alkali cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/08—Alkali cellulose
- C08B1/10—Apparatus for the preparation of alkali cellulose
- C08B1/12—Steeping devices
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE501414A true BE501414A (enrdf_load_stackoverflow) |
Family
ID=143241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE501414D BE501414A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE501414A (enrdf_load_stackoverflow) |
-
0
- BE BE501414D patent/BE501414A/fr unknown
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