NO127545B - - Google Patents
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- Publication number
- NO127545B NO127545B NO498571A NO498571A NO127545B NO 127545 B NO127545 B NO 127545B NO 498571 A NO498571 A NO 498571A NO 498571 A NO498571 A NO 498571A NO 127545 B NO127545 B NO 127545B
- Authority
- NO
- Norway
- Prior art keywords
- concentration
- molecular weight
- fiber
- membranes
- fraction
- Prior art date
Links
- 239000000835 fiber Substances 0.000 claims description 66
- 239000012528 membrane Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000706 filtrate Substances 0.000 claims description 20
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 238000001223 reverse osmosis Methods 0.000 claims description 12
- 239000007858 starting material Substances 0.000 claims description 12
- 238000005194 fractionation Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 5
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 229920001732 Lignosulfonate Polymers 0.000 description 37
- 235000000346 sugar Nutrition 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 21
- 150000007524 organic acids Chemical class 0.000 description 21
- 235000005985 organic acids Nutrition 0.000 description 21
- 238000001704 evaporation Methods 0.000 description 14
- 230000008020 evaporation Effects 0.000 description 14
- 238000000926 separation method Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000004117 Lignosulphonate Substances 0.000 description 7
- 238000000855 fermentation Methods 0.000 description 7
- 230000004151 fermentation Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 4
- 108010058643 Fungal Proteins Proteins 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 235000018185 Betula X alpestris Nutrition 0.000 description 3
- 235000018212 Betula X uliginosa Nutrition 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 235000019357 lignosulphonate Nutrition 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000002972 pentoses Chemical class 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 241000218657 Picea Species 0.000 description 2
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 2
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000006920 protein precipitation Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000006364 Torula Species 0.000 description 1
- PYMYPHUHKUWMLA-VPENINKCSA-N aldehydo-D-xylose Chemical compound OC[C@@H](O)[C@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-VPENINKCSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010822 slaughterhouse waste Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000005418 vegetable material Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO498571A NO127545C (en:Method) | 1971-12-30 | 1971-12-30 | |
| CH1887472A CH560289A5 (en:Method) | 1971-12-30 | 1972-12-27 | |
| CA160,247A CA992266A (en) | 1971-12-30 | 1972-12-29 | Method for fractionating sulfite waste liquor |
| DE2331972A DE2331972A1 (de) | 1971-12-30 | 1973-06-22 | Verfahren zum fraktionieren einer sulfitablauge |
| FR7324102A FR2235225A1 (en) | 1971-12-30 | 1973-06-29 | Fractionating sulphite liquor esp from wood processing - using membranes to concentrate high molecular cpds |
| JP48074348A JPS5020002A (en:Method) | 1971-12-30 | 1973-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO498571A NO127545C (en:Method) | 1971-12-30 | 1971-12-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO127545B true NO127545B (en:Method) | 1973-07-09 |
| NO127545C NO127545C (en:Method) | 1975-01-23 |
Family
ID=19880752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO498571A NO127545C (en:Method) | 1971-12-30 | 1971-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO127545C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151207A (en) | 1975-02-10 | 1979-04-24 | Borregaard Industries Limited | Process for preparation of 3-methoxy-4-hydroxybenzaldehyde |
-
1971
- 1971-12-30 NO NO498571A patent/NO127545C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO127545C (en:Method) | 1975-01-23 |
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