FI57245C - Saett att rena avloppsvatten innehaollande cellulosafibrer - Google Patents
Saett att rena avloppsvatten innehaollande cellulosafibrer Download PDFInfo
- Publication number
- FI57245C FI57245C FI36073A FI36073A FI57245C FI 57245 C FI57245 C FI 57245C FI 36073 A FI36073 A FI 36073A FI 36073 A FI36073 A FI 36073A FI 57245 C FI57245 C FI 57245C
- Authority
- FI
- Finland
- Prior art keywords
- water
- resin
- cellulosafibrer
- avloppsvatten
- innehaollande
- Prior art date
Links
- 229920001568 phenolic resin Polymers 0.000 description 23
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 16
- 239000002351 wastewater Substances 0.000 description 16
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 15
- 239000005011 phenolic resin Substances 0.000 description 11
- 230000002776 aggregation Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229920000867 polyelectrolyte Polymers 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE216672A SE357950B (enrdf_load_html_response) | 1972-02-22 | 1972-02-22 | |
| SE216672 | 1972-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI57245B FI57245B (fi) | 1980-03-31 |
| FI57245C true FI57245C (fi) | 1980-07-10 |
Family
ID=20259471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI36073A FI57245C (fi) | 1972-02-22 | 1973-02-07 | Saett att rena avloppsvatten innehaollande cellulosafibrer |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5225027B2 (enrdf_load_html_response) |
| AT (1) | AT320544B (enrdf_load_html_response) |
| CA (1) | CA1004782A (enrdf_load_html_response) |
| DD (1) | DD101650A5 (enrdf_load_html_response) |
| DE (1) | DE2308815C3 (enrdf_load_html_response) |
| FI (1) | FI57245C (enrdf_load_html_response) |
| FR (1) | FR2173166A1 (enrdf_load_html_response) |
| IT (1) | IT977422B (enrdf_load_html_response) |
| NO (1) | NO132275C (enrdf_load_html_response) |
| SE (1) | SE357950B (enrdf_load_html_response) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE459925B (sv) * | 1987-12-23 | 1989-08-21 | Boliden Ab | Avskiljning av harts ur massaavlutar |
| US5230808A (en) * | 1991-06-17 | 1993-07-27 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
| US5173208A (en) * | 1991-06-17 | 1992-12-22 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
| US5178770A (en) * | 1991-07-12 | 1993-01-12 | Nalco Canada Inc. | Method of treating bctmp/ctmp wastewater |
| US5670021A (en) * | 1992-01-29 | 1997-09-23 | Kemira Kemi Aktiebolag | Process for production of paper |
| SE500783C2 (sv) * | 1992-05-05 | 1994-09-05 | Eka Nobel Ab | Sätt att rena vedhartsinnehållande process- eller avloppsvatten |
| SE9303762L (sv) * | 1993-11-15 | 1995-05-16 | Eka Nobel Ab | Sätt att rena processvatten från massaframställning |
| SE509777C2 (sv) | 1997-07-07 | 1999-03-08 | Kemira Kemi Ab | Sätt att förbättra retentionen vid avvattning av en cellulosafibersuspension genom användning av ett medel, som inbegriper ett fenolformaldehydharts och en polyetylenoxid |
| GB9800497D0 (en) * | 1998-01-09 | 1998-03-04 | Allied Colloids Ltd | Dewatering of sludges |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3141816A (en) * | 1960-07-27 | 1964-07-21 | Nalco Chemical Co | Method of improving operational efficiency of white water recovery systems |
-
1972
- 1972-02-22 SE SE216672A patent/SE357950B/xx unknown
-
1973
- 1973-02-07 FI FI36073A patent/FI57245C/fi active
- 1973-02-20 IT IT4835673A patent/IT977422B/it active
- 1973-02-21 NO NO71773A patent/NO132275C/no unknown
- 1973-02-21 CA CA164,270A patent/CA1004782A/en not_active Expired
- 1973-02-21 DD DD16897673A patent/DD101650A5/xx unknown
- 1973-02-22 DE DE19732308815 patent/DE2308815C3/de not_active Expired
- 1973-02-22 JP JP2072573A patent/JPS5225027B2/ja not_active Expired
- 1973-02-22 AT AT157773A patent/AT320544B/de not_active IP Right Cessation
- 1973-02-22 FR FR7306256A patent/FR2173166A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2173166A1 (en) | 1973-10-05 |
| NO132275B (enrdf_load_html_response) | 1975-07-07 |
| JPS5225027B2 (enrdf_load_html_response) | 1977-07-05 |
| FI57245B (fi) | 1980-03-31 |
| AT320544B (de) | 1975-02-10 |
| SE357950B (enrdf_load_html_response) | 1973-07-16 |
| DE2308815B2 (de) | 1981-03-19 |
| DD101650A5 (enrdf_load_html_response) | 1973-11-12 |
| FR2173166B1 (enrdf_load_html_response) | 1976-11-05 |
| DE2308815C3 (de) | 1982-01-28 |
| IT977422B (it) | 1974-09-10 |
| NO132275C (enrdf_load_html_response) | 1975-10-15 |
| JPS4898653A (enrdf_load_html_response) | 1973-12-14 |
| DE2308815A1 (de) | 1973-09-06 |
| CA1004782A (en) | 1977-02-01 |
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