DE1692874B1 - Verfahren zum Regenerieren von wasserfestem Papier - Google Patents
Verfahren zum Regenerieren von wasserfestem PapierInfo
- Publication number
- DE1692874B1 DE1692874B1 DE19661692874 DE1692874A DE1692874B1 DE 1692874 B1 DE1692874 B1 DE 1692874B1 DE 19661692874 DE19661692874 DE 19661692874 DE 1692874 A DE1692874 A DE 1692874A DE 1692874 B1 DE1692874 B1 DE 1692874B1
- Authority
- DE
- Germany
- Prior art keywords
- paper
- water
- acid
- group
- formaldehyde
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 18
- 230000001172 regenerating effect Effects 0.000 title claims 2
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 claims description 15
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Natural products O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 11
- 230000002378 acidificating effect Effects 0.000 claims description 8
- 229950000244 sulfanilic acid Drugs 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000005903 acid hydrolysis reaction Methods 0.000 claims description 5
- 150000001491 aromatic compounds Chemical class 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- -1 formaldehyde compound Chemical class 0.000 claims description 2
- 150000007824 aliphatic compounds Chemical class 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000002253 acid Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 7
- 239000010893 paper waste Substances 0.000 description 7
- 229920000877 Melamine resin Polymers 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 description 4
- 230000029087 digestion Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000013922 glutamic acid Nutrition 0.000 description 2
- 239000004220 glutamic acid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- GWIAAIUASRVOIA-UHFFFAOYSA-N 2-aminonaphthalene-1-sulfonic acid Chemical compound C1=CC=CC2=C(S(O)(=O)=O)C(N)=CC=C21 GWIAAIUASRVOIA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 241000907661 Pieris rapae Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000012445 acidic reagent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 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
- 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
-
- 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
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6502643A NL6502643A (enrdf_load_stackoverflow) | 1965-03-02 | 1965-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1692874B1 true DE1692874B1 (de) | 1971-12-16 |
Family
ID=19792540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661692874 Withdrawn DE1692874B1 (de) | 1965-03-02 | 1966-03-01 | Verfahren zum Regenerieren von wasserfestem Papier |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3438851A (enrdf_load_stackoverflow) |
| DE (1) | DE1692874B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1127942A (enrdf_load_stackoverflow) |
| NL (2) | NL6502643A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4416727A (en) * | 1982-01-11 | 1983-11-22 | Air Products And Chemicals, Inc. | Process for recovering fiber from wet-strength resin coated paper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB438403A (en) * | 1934-01-31 | 1935-11-15 | Deutsche Hydrierwerke Ag | Improvements in or relating to the purification or reclaiming of used or waste paper |
| DE667722C (de) * | 1936-10-06 | 1938-11-18 | Chem Fab Gruenau Akt Ges | Verfahren zur Wiedergewinnung von reinem Papierstoff aus bedrucktem Altpapier |
| DE969809C (de) * | 1952-02-09 | 1958-07-17 | Degussa | Verfahren zur Regeneration von Altpapier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2394273A (en) * | 1942-04-01 | 1946-02-05 | American Cyanamid Co | Defibering of wet strength paper |
| US2872313A (en) * | 1955-09-08 | 1959-02-03 | American Cyanamid Co | Pulping of paper broke containing wet-strength resins |
| US3245868A (en) * | 1963-09-06 | 1966-04-12 | Black Clawson Co | Continuous process for the recovery of paper broke containing a wet strength resin |
-
0
- NL NL126706D patent/NL126706C/xx active
-
1965
- 1965-03-02 NL NL6502643A patent/NL6502643A/xx unknown
-
1966
- 1966-02-25 US US3438851D patent/US3438851A/en not_active Expired - Lifetime
- 1966-02-28 GB GB869266A patent/GB1127942A/en not_active Expired
- 1966-03-01 DE DE19661692874 patent/DE1692874B1/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB438403A (en) * | 1934-01-31 | 1935-11-15 | Deutsche Hydrierwerke Ag | Improvements in or relating to the purification or reclaiming of used or waste paper |
| DE667722C (de) * | 1936-10-06 | 1938-11-18 | Chem Fab Gruenau Akt Ges | Verfahren zur Wiedergewinnung von reinem Papierstoff aus bedrucktem Altpapier |
| DE969809C (de) * | 1952-02-09 | 1958-07-17 | Degussa | Verfahren zur Regeneration von Altpapier |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6502643A (enrdf_load_stackoverflow) | 1966-09-05 |
| US3438851A (en) | 1969-04-15 |
| GB1127942A (en) | 1968-09-18 |
| NL126706C (enrdf_load_stackoverflow) | 1900-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |