DE3240725C2 - - Google Patents
Info
- Publication number
- DE3240725C2 DE3240725C2 DE19823240725 DE3240725A DE3240725C2 DE 3240725 C2 DE3240725 C2 DE 3240725C2 DE 19823240725 DE19823240725 DE 19823240725 DE 3240725 A DE3240725 A DE 3240725A DE 3240725 C2 DE3240725 C2 DE 3240725C2
- Authority
- DE
- Germany
- Prior art keywords
- evaporator
- digestion liquid
- digestion
- heating medium
- liquid
- 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.)
- Expired
Links
- 239000007788 liquid Substances 0.000 claims description 43
- 230000029087 digestion Effects 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 21
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 36
- 229920005610 lignin Polymers 0.000 description 11
- 239000012071 phase Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000004817 gas chromatography Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- 241001070947 Fagus Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 229920001542 oligosaccharide Polymers 0.000 description 2
- 150000002482 oligosaccharides Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- 238000007700 distillative separation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/222—In rotating vessels; vessels with movable parts
- B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/06—Flash distillation
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/10—Concentrating spent liquor by evaporation
-
- 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
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Extraction Or Liquid Replacement (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0485981A AT373932B (de) | 1981-11-12 | 1981-11-12 | Verfahren zur aufarbeitung von gebrauchter aufschlussfluessikgeit sowie anlagen zur durchfuehrung dieses verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3240725A1 DE3240725A1 (de) | 1983-05-19 |
| DE3240725C2 true DE3240725C2 (enExample) | 1989-10-26 |
Family
ID=3569192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823240725 Granted DE3240725A1 (de) | 1981-11-12 | 1982-11-04 | Verfahren zur aufarbeitung von gebrauchter aufschlussfluessigkeit sowie anlagen zur durchfuehrung dieses verfahrens |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS58101703A (enExample) |
| AT (1) | AT373932B (enExample) |
| DE (1) | DE3240725A1 (enExample) |
| SE (1) | SE8206407L (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0722645B2 (ja) * | 1988-10-18 | 1995-03-15 | 出光石油化学株式会社 | ポリアリーレンスルフィド製造溶媒の回収方法 |
| DE3906169A1 (de) * | 1989-02-28 | 1990-08-30 | Uhde Gmbh | Verfahren und vorrichtung zum trennen eines aus einem extraktor kommenden stoffgemisches |
| AT412951B (de) * | 2003-10-02 | 2005-09-26 | Vtu Engineering Planungs Und B | Dünnschichtverdampfer |
| JP4719849B2 (ja) * | 2007-05-11 | 2011-07-06 | 株式会社イヅツみそ | 濃縮装置の除菌洗浄方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909608A (en) * | 1972-12-26 | 1975-09-30 | Thomson Csf | Reproducing device for the optical reading out of a record carrying an embossed print |
| JPS5415727B2 (enExample) * | 1973-02-02 | 1979-06-16 | ||
| DE2803465A1 (de) * | 1978-01-27 | 1979-08-02 | Hans Dipl Ing Knauth | Verfahren zur erzeugung von zellstoff aus pflanzlichen faserrohstoffen unter verwendung organischer loesungsmittel - hydrosolvverfahren |
| DE2855052A1 (de) * | 1978-12-20 | 1980-06-26 | Nicolaus Md Papier | Verfahren und vorrichtung zum kontinuierlichen aufschliessen von pflanzenfasermaterial |
-
1981
- 1981-11-12 AT AT0485981A patent/AT373932B/de not_active IP Right Cessation
-
1982
- 1982-11-04 DE DE19823240725 patent/DE3240725A1/de active Granted
- 1982-11-11 SE SE8206407A patent/SE8206407L/ not_active Application Discontinuation
- 1982-11-11 JP JP19687582A patent/JPS58101703A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58101703A (ja) | 1983-06-17 |
| DE3240725A1 (de) | 1983-05-19 |
| SE8206407L (sv) | 1983-05-13 |
| AT373932B (de) | 1984-03-12 |
| ATA485981A (de) | 1983-07-15 |
| SE8206407D0 (sv) | 1982-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: SAELZLE, ERICH, DR., 8000 MUENCHEN, DE |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |