NO810151L - Fremgangsmaate og anordning for bestemmelse av lignininnholdet i masse - Google Patents
Fremgangsmaate og anordning for bestemmelse av lignininnholdet i masseInfo
- Publication number
- NO810151L NO810151L NO810151A NO810151A NO810151L NO 810151 L NO810151 L NO 810151L NO 810151 A NO810151 A NO 810151A NO 810151 A NO810151 A NO 810151A NO 810151 L NO810151 L NO 810151L
- Authority
- NO
- Norway
- Prior art keywords
- sample
- gas
- cylinder
- pressure
- mpa
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 229920005610 lignin Polymers 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000005660 chlorination reaction Methods 0.000 claims abstract description 4
- 230000003647 oxidation Effects 0.000 claims abstract 2
- 238000007254 oxidation reaction Methods 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims 1
- 239000008237 rinsing water Substances 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 20
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 230000029087 digestion Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012470 diluted sample Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/228—Automation of the pulping processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
- Y10T436/142222—Hetero-O [e.g., ascorbic acid, etc.]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8000434A SE8000434L (sv) | 1980-01-18 | 1980-01-18 | Forfarande och anordning for bestemning av ligninhalten i massa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO810151L true NO810151L (no) | 1981-07-20 |
Family
ID=20340023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO810151A NO810151L (no) | 1980-01-18 | 1981-01-16 | Fremgangsmaate og anordning for bestemmelse av lignininnholdet i masse |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4345913A (pt) |
| JP (1) | JPS56106152A (pt) |
| BR (1) | BR8100259A (pt) |
| DE (1) | DE3100897A1 (pt) |
| FI (1) | FI810133L (pt) |
| FR (1) | FR2474075A1 (pt) |
| NO (1) | NO810151L (pt) |
| SE (1) | SE8000434L (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI67957C (fi) * | 1983-02-17 | 1985-06-10 | Tampella Oy Ab | Foerfarande och anordning foer bestaemning av egenskaperna hosen fibermassa med varierande koncentration |
| US4752357A (en) * | 1986-12-22 | 1988-06-21 | Paper Valley Instruments, Inc. | On-line apparatus for determining degree of completion of pulp cook |
| US4780182A (en) * | 1987-04-01 | 1988-10-25 | Paper Valley Instruments, Inc. | Continuously monitored apparatus and method for determining degree of completion of pulp cook |
| US4895618A (en) * | 1987-12-28 | 1990-01-23 | Afora Oy | Method of controlling alkaline pulping process |
| US4837446A (en) * | 1988-03-31 | 1989-06-06 | International Paper Company | Apparatus and process for testing uniformity of pulp |
| US5194388A (en) * | 1989-07-10 | 1993-03-16 | Westvaco Corporation | "Kappa" number calibration standard |
| RU2557744C1 (ru) * | 2014-06-16 | 2015-07-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Северный (Арктический) федеральный университет имени М.В. Ломоносова" (САФУ) | Способ определения лигнина в целлюлозных полуфабрикатах |
| CN105203579B (zh) * | 2015-09-14 | 2018-07-31 | 中国环境科学研究院 | 植物生物质木质素含量的热分析测定方法 |
| CN106248521B (zh) * | 2016-07-11 | 2018-06-22 | 中国环境科学研究院 | 沉积物有机质早期成岩演化程度的热鉴定方法 |
| CN109270115A (zh) * | 2018-12-11 | 2019-01-25 | 山东建筑大学 | 一种地采暖木质地板蓄热性能检测和计算的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272691A (en) * | 1964-02-12 | 1966-09-13 | Pennsalt Chemicals Corp | Apparatus for continuously chlorinating pulp including automatic control of the degree of chlorination |
| SE377348B (pt) * | 1972-07-14 | 1975-06-30 | Mo Och Domsjoe Ab | |
| US4162933A (en) * | 1973-05-15 | 1979-07-31 | Kamyr Inc. | Exothermic heat as a means of determining the degree of delignification |
| US4042328A (en) * | 1976-04-06 | 1977-08-16 | Seymour George W | On-line analyzer |
-
1980
- 1980-01-18 SE SE8000434A patent/SE8000434L/ not_active Application Discontinuation
-
1981
- 1981-01-14 DE DE19813100897 patent/DE3100897A1/de not_active Withdrawn
- 1981-01-14 US US06/225,134 patent/US4345913A/en not_active Expired - Fee Related
- 1981-01-15 FR FR8100620A patent/FR2474075A1/fr active Granted
- 1981-01-16 FI FI810133A patent/FI810133L/fi not_active Application Discontinuation
- 1981-01-16 BR BR8100259A patent/BR8100259A/pt unknown
- 1981-01-16 JP JP583181A patent/JPS56106152A/ja active Pending
- 1981-01-16 NO NO810151A patent/NO810151L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56106152A (en) | 1981-08-24 |
| FR2474075B3 (pt) | 1982-10-22 |
| US4345913A (en) | 1982-08-24 |
| FI810133L (fi) | 1981-07-19 |
| DE3100897A1 (de) | 1981-12-24 |
| BR8100259A (pt) | 1981-08-04 |
| SE8000434L (sv) | 1981-07-19 |
| FR2474075A1 (fr) | 1981-07-24 |
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