NO131342B - - Google Patents
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- Publication number
- NO131342B NO131342B NO2071/69A NO207169A NO131342B NO 131342 B NO131342 B NO 131342B NO 2071/69 A NO2071/69 A NO 2071/69A NO 207169 A NO207169 A NO 207169A NO 131342 B NO131342 B NO 131342B
- Authority
- NO
- Norway
- Prior art keywords
- lignin
- reaction
- temperature
- water
- molecular weight
- Prior art date
Links
- 229920005610 lignin Polymers 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 26
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 12
- 230000029087 digestion Effects 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 17
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 12
- 230000007062 hydrolysis Effects 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 150000002989 phenols Chemical class 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 229960001867 guaiacol Drugs 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229940046892 lead acetate Drugs 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000013638 trimer Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- OMONCKYJLBVWOQ-UHFFFAOYSA-N 1-ethoxy-2-methoxybenzene Chemical compound CCOC1=CC=CC=C1OC OMONCKYJLBVWOQ-UHFFFAOYSA-N 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- ABDKAPXRBAPSQN-UHFFFAOYSA-N veratrole Chemical compound COC1=CC=CC=C1OC ABDKAPXRBAPSQN-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compounds Of Unknown Constitution (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73283668A | 1968-05-29 | 1968-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131342B true NO131342B (sk) | 1975-02-03 |
| NO131342C NO131342C (sk) | 1975-05-14 |
Family
ID=24945135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2071/69A NO131342C (sk) | 1968-05-29 | 1969-05-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3577467A (sk) |
| JP (1) | JPS5011893B1 (sk) |
| DE (1) | DE1926673A1 (sk) |
| FR (1) | FR2009591A1 (sk) |
| NO (1) | NO131342C (sk) |
| SE (1) | SE381650B (sk) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327993U (sk) * | 1976-08-16 | 1978-03-09 | ||
| SE454519B (sv) * | 1981-09-11 | 1988-05-09 | Inst Mekhaniki Metallopolimern | Sjevsmorjande kompositmaterial |
| BRPI0918489A2 (pt) | 2008-09-08 | 2015-12-01 | Basf Se | processo integrado para produzir polpa e pelo menos um material de valor de baixo peso molecular |
| CN102653506B (zh) * | 2012-03-19 | 2014-03-26 | 天津大学 | 一种由木质素制取邻苯二酚的方法 |
| CN103073395B (zh) * | 2012-12-11 | 2015-04-08 | 浙江大学 | 微波强化木质素在供氢剂中连续降解制备小分子酚类化合物的工艺 |
| US9255187B2 (en) * | 2013-03-15 | 2016-02-09 | Synergy Horizon Limited | Method for production of dry hydrolytic lignin |
-
1968
- 1968-05-29 US US732836A patent/US3577467A/en not_active Expired - Lifetime
-
1969
- 1969-05-07 SE SE6906435A patent/SE381650B/xx unknown
- 1969-05-21 NO NO2071/69A patent/NO131342C/no unknown
- 1969-05-24 DE DE19691926673 patent/DE1926673A1/de active Pending
- 1969-05-29 FR FR6917520A patent/FR2009591A1/fr not_active Withdrawn
- 1969-05-29 JP JP44042050A patent/JPS5011893B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2009591A1 (sk) | 1970-02-06 |
| US3577467A (en) | 1971-05-04 |
| SE381650B (sv) | 1975-12-15 |
| DE1926673A1 (de) | 1969-12-04 |
| NO131342C (sk) | 1975-05-14 |
| JPS5011893B1 (sk) | 1975-05-07 |
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