FI84635B - Saett vid pappersframstaellning. - Google Patents
Saett vid pappersframstaellning. Download PDFInfo
- Publication number
- FI84635B FI84635B FI860650A FI860650A FI84635B FI 84635 B FI84635 B FI 84635B FI 860650 A FI860650 A FI 860650A FI 860650 A FI860650 A FI 860650A FI 84635 B FI84635 B FI 84635B
- Authority
- FI
- Finland
- Prior art keywords
- formaldehyde
- sulfite
- alum
- paper
- added
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 125000002091 cationic group Chemical group 0.000 claims abstract description 29
- 230000014759 maintenance of location Effects 0.000 claims abstract description 29
- 229940037003 alum Drugs 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims abstract description 8
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 7
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims abstract description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 144
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 31
- 229920005989 resin Polymers 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract description 20
- 150000001299 aldehydes Chemical class 0.000 abstract description 17
- 239000004289 sodium hydrogen sulphite Substances 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 235000019256 formaldehyde Nutrition 0.000 description 47
- 229960004279 formaldehyde Drugs 0.000 description 47
- 239000000123 paper Substances 0.000 description 24
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 11
- 229920001807 Urea-formaldehyde Polymers 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000002745 absorbent Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920002472 Starch Polymers 0.000 description 4
- 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 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 229920002873 Polyethylenimine Polymers 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 229920000962 poly(amidoamine) Polymers 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011436 cob Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- -1 disulphite ions Chemical class 0.000 description 1
- 125000000567 diterpene group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 1
- 229950005308 oxymethurea Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- CSABAZBYIWDIDE-UHFFFAOYSA-N sulfino hydrogen sulfite Chemical class OS(=O)OS(O)=O CSABAZBYIWDIDE-UHFFFAOYSA-N 0.000 description 1
- 229940045136 urea Drugs 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Golf Clubs (AREA)
- Toys (AREA)
- Luminescent Compositions (AREA)
- Steroid Compounds (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Making Paper Articles (AREA)
Claims (9)
1. Förfarande för att minska halten fri aldehyd vid frams-tällning av papper, kännetecknat därav, att 5 massan eller processvattnet tillsätts sulfit i kombination med ett katjoniskt retentionsmedel.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att sulfiten är natriumsulfit eller natriumbisulfit. 10
3. Förfarande enligt patentkravet 1, kännetecknat därav, att det katjoniska retentionsmedlet är alun.
4. Förfarande enligt nägot av det tidigare patentkraven, 15 kännetecknat därav, att sulfiten och det katjoniska retentionsmedlet tillsätts massan eller processvattnet vid framställning av papper i vilken används formal-dehydbaserade vätstarka hartser.
5. Produkt som är användbar för användning i pappersfram- ställning, kännetecknad därav, att den är en vattenlösning som innehäller i kombination sulfit och ett katjoniskt retentionsmedel.
6. Produkt enligt patentkravet 5, kännetecknad därav, att sulfiten är natriumsulfit eller natriumbisulfit.
7. Produkt enligt patentkravet 5, kännetecknad därav, att det katjoniska retentionsmedlet är alun. 30
8. Produkt enligt patentkravet 7, kännetecknad därav, att molförhällandet av sulfit tili alun är inom omrädet 2:1 tili 7:1.
9. Produkt enligt patentkravet 8, kännetecknad därav, att molförhällandet av sulfit tili alun är inom omrädet 3:1 tili 6:1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8500715 | 1985-02-15 | ||
| SE8500715A SE8500715L (sv) | 1985-02-15 | 1985-02-15 | Sett vid pappersframstellning |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI860650A0 FI860650A0 (fi) | 1986-02-12 |
| FI860650L FI860650L (fi) | 1986-08-16 |
| FI84635B true FI84635B (fi) | 1991-09-13 |
| FI84635C FI84635C (sv) | 1993-07-28 |
Family
ID=20359131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI860650A FI84635C (sv) | 1985-02-15 | 1986-02-12 | Sätt vid pappersframställning |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0192623B1 (sv) |
| AT (1) | ATE57965T1 (sv) |
| DE (1) | DE3675231D1 (sv) |
| ES (1) | ES8801401A1 (sv) |
| FI (1) | FI84635C (sv) |
| NO (1) | NO168843C (sv) |
| SE (1) | SE8500715L (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326479A (en) * | 1993-09-01 | 1994-07-05 | Nalco Chemical Company | Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT947732B (it) * | 1971-02-27 | 1973-05-30 | Asahi Chemical Ind | Processo per il trattamento delle aldeidi |
| FR2306944A1 (fr) * | 1975-04-09 | 1976-11-05 | Speichim | Procede de traitement d'eaux residuaires formophenoliques |
| US4409375A (en) * | 1982-02-11 | 1983-10-11 | Champion International Corporation | Method for scavenging aldehydes |
| DE3222195A1 (de) * | 1982-06-12 | 1983-12-15 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von spanholzwerkstoffen mit verringerter formaldehydemission |
-
1985
- 1985-02-15 SE SE8500715A patent/SE8500715L/sv not_active Application Discontinuation
-
1986
- 1986-02-07 AT AT86850039T patent/ATE57965T1/de not_active IP Right Cessation
- 1986-02-07 EP EP86850039A patent/EP0192623B1/en not_active Expired - Lifetime
- 1986-02-07 DE DE8686850039T patent/DE3675231D1/de not_active Expired - Fee Related
- 1986-02-12 FI FI860650A patent/FI84635C/sv not_active IP Right Cessation
- 1986-02-14 NO NO860558A patent/NO168843C/no not_active IP Right Cessation
- 1986-02-14 ES ES552021A patent/ES8801401A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES552021A0 (es) | 1987-12-16 |
| DE3675231D1 (de) | 1990-12-06 |
| NO860558L (no) | 1986-08-18 |
| EP0192623B1 (en) | 1990-10-31 |
| FI860650L (fi) | 1986-08-16 |
| ATE57965T1 (de) | 1990-11-15 |
| NO168843C (no) | 1992-04-08 |
| ES8801401A1 (es) | 1987-12-16 |
| SE8500715D0 (sv) | 1985-02-15 |
| FI84635C (sv) | 1993-07-28 |
| SE8500715L (sv) | 1986-08-16 |
| NO168843B (no) | 1991-12-30 |
| EP0192623A1 (en) | 1986-08-27 |
| FI860650A0 (fi) | 1986-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: EKA NOBEL AB |