FI125025B - Förfarande för minskning av fosfor i avloppsvatten och processvatten - Google Patents
Förfarande för minskning av fosfor i avloppsvatten och processvatten Download PDFInfo
- Publication number
- FI125025B FI125025B FI20135722A FI20135722A FI125025B FI 125025 B FI125025 B FI 125025B FI 20135722 A FI20135722 A FI 20135722A FI 20135722 A FI20135722 A FI 20135722A FI 125025 B FI125025 B FI 125025B
- Authority
- FI
- Finland
- Prior art keywords
- water
- treated
- phosphorus
- alkaline agent
- carbon dioxide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 110
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 56
- 229910052698 phosphorus Inorganic materials 0.000 title claims description 56
- 239000011574 phosphorus Substances 0.000 title claims description 56
- 239000003643 water by type Substances 0.000 title description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 119
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 72
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 63
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 51
- 239000003795 chemical substances by application Substances 0.000 claims description 51
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 36
- 239000001569 carbon dioxide Substances 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 31
- 238000004061 bleaching Methods 0.000 claims description 30
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 28
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 25
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 21
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 21
- 239000004571 lime Substances 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 21
- 239000000706 filtrate Substances 0.000 claims description 18
- 230000002378 acidificating effect Effects 0.000 claims description 17
- 239000003546 flue gas Substances 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 14
- 239000008213 purified water Substances 0.000 claims description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 9
- 239000000292 calcium oxide Substances 0.000 claims description 8
- 239000000920 calcium hydroxide Substances 0.000 claims description 7
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 7
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 235000021317 phosphate Nutrition 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 239000010865 sewage Substances 0.000 claims 1
- 229920001131 Pulp (paper) Polymers 0.000 description 26
- 239000000123 paper Substances 0.000 description 16
- 239000002244 precipitate Substances 0.000 description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 14
- 239000011575 calcium Substances 0.000 description 14
- 229910052791 calcium Inorganic materials 0.000 description 14
- 239000002655 kraft paper Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- 238000004065 wastewater treatment Methods 0.000 description 13
- 238000001556 precipitation Methods 0.000 description 12
- 238000011084 recovery Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 150000003018 phosphorus compounds Chemical class 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000004537 pulping Methods 0.000 description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 6
- 235000011116 calcium hydroxide Nutrition 0.000 description 6
- 229910001424 calcium ion Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 6
- 239000002023 wood Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000009993 causticizing Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009300 dissolved air flotation Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 150000002903 organophosphorus compounds Chemical class 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
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)
- Paper (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20135722A FI125025B (sv) | 2013-07-01 | 2013-07-01 | Förfarande för minskning av fosfor i avloppsvatten och processvatten |
| UY0001035638A UY35638A (es) | 2013-07-01 | 2014-07-01 | Método para reducir el fósforo en efluentes y aguas del proceso |
| PCT/FI2014/050543 WO2015001185A1 (en) | 2013-07-01 | 2014-07-01 | Method for reducing phosphorus in effluents and process waters |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20135722A FI125025B (sv) | 2013-07-01 | 2013-07-01 | Förfarande för minskning av fosfor i avloppsvatten och processvatten |
| FI20135722 | 2013-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20135722A FI20135722A (sv) | 2015-01-02 |
| FI125025B true FI125025B (sv) | 2015-04-30 |
Family
ID=51263415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20135722A FI125025B (sv) | 2013-07-01 | 2013-07-01 | Förfarande för minskning av fosfor i avloppsvatten och processvatten |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI125025B (sv) |
| UY (1) | UY35638A (sv) |
| WO (1) | WO2015001185A1 (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI127859B (sv) * | 2014-03-31 | 2019-04-15 | Upm Kymmene Corp | Förfarande och system för att minska fosfor i avlopp eller filtrat |
| FI127858B (sv) * | 2014-03-31 | 2019-04-15 | Upm Kymmene Corp | Förfarande och system för att minska fosfor i avlopp eller filtrat |
| FI127442B (sv) * | 2014-03-31 | 2018-06-15 | Upm Kymmene Corp | Förfarande och system för att minska fosfor i avlopp eller filtrat |
| FI127860B (sv) * | 2014-03-31 | 2019-04-15 | Upm Kymmene Corp | Förfarande och system för att minska fosfor i avlopp eller filtrat |
| EP3216918A1 (en) * | 2016-03-10 | 2017-09-13 | Linde Aktiengesellschaft | Process for reduction of papermaking water hardness and cod |
| FI129811B (sv) * | 2019-08-23 | 2022-09-15 | Upm Kymmene Corp | Process för minskning av fosfor i avloppsvatten från en cellulosaframställningsprocess |
| CN111573998B (zh) * | 2020-06-12 | 2023-07-11 | 浙江大学 | 废纸造纸废水高效厌氧出水脱气除钙系统 |
| SE2230392A1 (en) * | 2022-11-30 | 2024-05-31 | Valmet Oy | A method for removing non-process elements in a kraft pulping process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997003245A1 (en) * | 1995-07-11 | 1997-01-30 | Ahlstrom Machinery Oy | Method of separating impurities from lime and lime sludge and a method of causticizing green liquor containing impurities, such as silicon, in two stages |
-
2013
- 2013-07-01 FI FI20135722A patent/FI125025B/sv active IP Right Review Request
-
2014
- 2014-07-01 WO PCT/FI2014/050543 patent/WO2015001185A1/en active Application Filing
- 2014-07-01 UY UY0001035638A patent/UY35638A/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015001185A9 (en) | 2015-08-27 |
| WO2015001185A1 (en) | 2015-01-08 |
| FI20135722A (sv) | 2015-01-02 |
| UY35638A (es) | 2015-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 125025 Country of ref document: FI Kind code of ref document: B |
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| MD | Opposition filed |
Opponent name: METSA FIBRE OY |