DE75447C - Verfahren zur Entfernung von Druck und Schrift aus gebrauchtem Papier (Makulatur) - Google Patents
Verfahren zur Entfernung von Druck und Schrift aus gebrauchtem Papier (Makulatur)Info
- Publication number
- DE75447C DE75447C DENDAT75447D DE75447DA DE75447C DE 75447 C DE75447 C DE 75447C DE NDAT75447 D DENDAT75447 D DE NDAT75447D DE 75447D A DE75447D A DE 75447DA DE 75447 C DE75447 C DE 75447C
- Authority
- DE
- Germany
- Prior art keywords
- writing
- waste
- used paper
- removing print
- paper
- 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
- 239000002699 waste material Substances 0.000 title claims 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims 2
- 239000005642 Oleic acid Substances 0.000 claims 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 235000011121 sodium hydroxide Nutrition 0.000 claims 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Paints Or Removers (AREA)
- Paper (AREA)
Description
Claims (1)
- Patent-Anspruch:Verfahren zur Entfernung von Druck und Schrift aus gebrauchtem Papier (Makulatur), darin bestehend, dafs das Papier mit flüssiger Oelsäure imprägnirt, mit der zur Verseifung der Oelsäure nöthigen Menge in Wasser gelösten Aetznatrons unter Druck gekocht, dann ausgepreist und schliefslich mit heifsem Wasser ausgewaschen wird. i .
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE75447C true DE75447C (de) | 1900-01-01 |
Family
ID=348407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT75447D Expired DE75447C (de) | Verfahren zur Entfernung von Druck und Schrift aus gebrauchtem Papier (Makulatur) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE75447C (de) |
-
0
- DE DENDAT75447D patent/DE75447C/de not_active Expired
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