FI127995B - Jäteveden ja savukaasun hyödyntäminen - Google Patents
Jäteveden ja savukaasun hyödyntäminen Download PDFInfo
- Publication number
- FI127995B FI127995B FI20126369A FI20126369A FI127995B FI 127995 B FI127995 B FI 127995B FI 20126369 A FI20126369 A FI 20126369A FI 20126369 A FI20126369 A FI 20126369A FI 127995 B FI127995 B FI 127995B
- Authority
- FI
- Finland
- Prior art keywords
- calcium
- effluent
- waste water
- exhaust gas
- primary
- Prior art date
Links
- 239000002351 wastewater Substances 0.000 title claims description 36
- 239000003546 flue gas Substances 0.000 title description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 234
- 238000000034 method Methods 0.000 claims description 177
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 156
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 109
- 239000011575 calcium Substances 0.000 claims description 86
- 229910052791 calcium Inorganic materials 0.000 claims description 82
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 81
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 81
- 239000001569 carbon dioxide Substances 0.000 claims description 79
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 68
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 68
- 239000004571 lime Substances 0.000 claims description 68
- 238000011282 treatment Methods 0.000 claims description 57
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 47
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 238000001556 precipitation Methods 0.000 claims description 36
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 32
- 239000011120 plywood Substances 0.000 claims description 28
- 238000005188 flotation Methods 0.000 claims description 26
- 229920001131 Pulp (paper) Polymers 0.000 claims description 21
- 238000004065 wastewater treatment Methods 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 10
- 229910010272 inorganic material Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims 3
- 239000011147 inorganic material Substances 0.000 claims 2
- 238000005553 drilling Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 126
- 239000000126 substance Substances 0.000 description 49
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 39
- 238000001914 filtration Methods 0.000 description 39
- 239000002245 particle Substances 0.000 description 38
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 29
- 229910001424 calcium ion Inorganic materials 0.000 description 29
- 239000000123 paper Substances 0.000 description 26
- 235000011121 sodium hydroxide Nutrition 0.000 description 25
- 238000004061 bleaching Methods 0.000 description 24
- 239000000292 calcium oxide Substances 0.000 description 19
- 230000001376 precipitating effect Effects 0.000 description 19
- 229910000029 sodium carbonate Inorganic materials 0.000 description 19
- 230000007935 neutral effect Effects 0.000 description 18
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 18
- 238000004537 pulping Methods 0.000 description 18
- 238000011084 recovery Methods 0.000 description 17
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 16
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 15
- 235000012255 calcium oxide Nutrition 0.000 description 15
- 238000010411 cooking Methods 0.000 description 15
- 235000017550 sodium carbonate Nutrition 0.000 description 15
- 239000003002 pH adjusting agent Substances 0.000 description 14
- 239000003643 water by type Substances 0.000 description 13
- 239000000920 calcium hydroxide Substances 0.000 description 12
- 235000011116 calcium hydroxide Nutrition 0.000 description 12
- 239000012717 electrostatic precipitator Substances 0.000 description 12
- 238000005406 washing Methods 0.000 description 11
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 10
- 238000001354 calcination Methods 0.000 description 10
- 229920005610 lignin Polymers 0.000 description 10
- 238000010979 pH adjustment Methods 0.000 description 10
- 239000002023 wood Substances 0.000 description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 8
- 238000009993 causticizing Methods 0.000 description 8
- 238000000746 purification Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 7
- 239000005416 organic matter Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000004064 recycling Methods 0.000 description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 description 7
- 235000011152 sodium sulphate Nutrition 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000701 coagulant Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 6
- 230000001627 detrimental effect Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000005189 flocculation Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 4
- 241001062472 Stokellia anisodon Species 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- -1 poly(vinylformamide) Polymers 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052979 sodium sulfide Inorganic materials 0.000 description 4
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000009388 chemical precipitation Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000009300 dissolved air flotation Methods 0.000 description 3
- 238000005367 electrostatic precipitation Methods 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000002655 kraft paper Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 238000004076 pulp bleaching Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 3
- 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 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 2
- 229920002873 Polyethylenimine Polymers 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001399 aluminium compounds Chemical class 0.000 description 2
- 229940077746 antacid containing aluminium compound Drugs 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 230000031018 biological processes and functions Effects 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 2
- 150000001674 calcium compounds Chemical class 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000029219 regulation of pH Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004133 Sodium thiosulphate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 150000005323 carbonate salts Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229920000831 ionic polymer Polymers 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000004045 organic chlorine compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 150000002978 peroxides Chemical class 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
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000010803 wood ash Substances 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
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Treating Waste Gases (AREA)
Claims (24)
- Patenttivaatimukset:1. Menetelmä sellu-, paperi- tai vaneritehtaan primäärin jäteveden käsittelemiseksi, jossa menetelmässä:5 - johdetaan primääriin jäteveteen (270), joka sisältää kalsiumia (Ca2+), hiilidioksidia (CO2) sisältävää poistokaasua (210), jotta saavutetaan karbonatisointireaktiolämpötila tp3 ainakin 20°C, ja- järjestetään hiilidioksidi (CO2) reagoimaan primäärissä jätevedessä (270) olevan kalsiumin (Ca2+) kanssa, jotta muodostuu kalsiumkarbonaattia (CaCCU)10 ja kalsiumvapaata jätevettä (272) karbonatisointilämpötilassa tp3.
- 2. Patenttivaatimuksen 1 mukainen menetelmä, jossa primääri jätevesi (270) on kiintoaineksetonta jätevettä (271).15
- 3. Patenttivaatimuksen 1 mukainen menetelmä, jossa hiilidioksidia (CO2) sisältävä poistokaasu (210) on kalkinpolttouunin poistokaasua.
- 4. Patenttivaatimuksen 1 mukainen menetelmä, jossa hiilidioksidia (CO2) sisältävä poistokaasu (210) johdetaan primääristä jätevedestä (270) saatuun20 kiintoaineksettomaan jäteveteen.
- 5. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:- kerätään sellu-, paperi- ja/tai vaneritehtaan jätevesistä koostuva primääri jätevesi (270) jätevedenkäsittelylaitokseen (8).
- 6. Patenttivaatimuksen 1 mukainen menetelmä, jossa primääri jätevesi (270) on kemiallisen massan valmistusprosessin jätevettä.
- 7. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:30 - erotetaan muodostunut kalsiumkarbonaatti (CaCCU) primääristä jätevedestä.
- 8. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:- käsitellään kalsiumvapaa jätevesi prosessivedeksi jatkokäyttöä varten sellu-, paperi-ja/tai vaneritehtaassa.
- 9. Patenttivaatimuksen 1 mukainen menetelmä, jossa jätevesi käsittää ainakin20 mg/l kalsiumia (Ca2+) ennen poistokaasun (210) lisäämistä.20126369 prh 11 -03- 2019
- 10. Patenttivaatimukseni mukainen menetelmä, jossa jäteveden pH-arvo on ainakin 9 ja lämpötila tp3 on ainakin 20°C ja alle 70°C ennen poistokaasun (210) lisäämistä.5
- 11. Patenttivaatimuksen 7 mukainen menetelmä, jossa muodostunut kalsiumkarbonaatti (CaCOs) erotetaan primääristä jätevedestä (270) saostamalla.
- 12. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:- pelkistetään muodostunut kalsiumkarbonaatti (CaCOs) kalkinpolttouunissa kal10 siumoksidiksi (CaO).
- 13. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:- säädetään lämpötila tp3 valitsemalla poistokaasun (210) lämpötila tp1 ja/tai primäärin jäteveden (270) lämpötila tp2 kalsiumkarbonaatin (CaCOs) siten, että15 saostuminen primääristä jätevedestä (270) paranee, jolloin lämpötila tp1 on välillä 60...280°C ja lämpötila tp2 on yli 0°C.
- 14. Patenttivaatimuksen 1 mukainen menetelmä, jossa primäärin jäteveden (270) pH säädetään kalsiumoksidin (CaO), kalsiumhydroksidin (Ca(OH)2) tai NaOH:n20 avulla.
- 15. Patenttivaatimuksen 1 mukainen menetelmä, jossa primäärin jäteveden (270) pH säädetään hiilidioksidia (CO2) sisältävän poistokaasun (210) avulla.25
- 16. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:- käsitellään primääri jätevesi (270) orgaanisen tai epäorgaanisen aineksen poistamiseksi.
- 17. Patenttivaatimuksen 16 mukainen menetelmä, jossa käsittelyyn käytetään 30 hiekka-ja/tai moniainesuodatinta.
- 18. Patenttivaatimuksen 16 mukainen menetelmä, jossa käsittelyyn käytetään vaahdotusta.35
- 19. Patenttivaatimuksen 16 mukainen menetelmä, jossa epäorgaanisen tai orgaanisen aineksen poistamiseen käytetään kemiallista yhdistettä.
- 20. Patenttivaatimuksen 16 mukainen menetelmä, jossa käsittely tehdään ennen pH:n säätämistä kalsiumoksidin (CaO), kalsiumhydroksidin (Ca(OH)2) tai NaOH:n avulla.5
- 21. Patenttivaatimuksen 16 mukainen menetelmä, jossa käsittely tehdään muodostuneen kalsiumkarbonaatin (CaCOs) erottamisen jälkeen.
- 22. Patenttivaatimuksen 1 mukainen menetelmä, jossa poistokaasu (210) johdetaan primääriin jäteveteen (270) poreuttamalla poistokaasu primäärin10 jäteveden läpi.
- 23. Patenttivaatimuksen 1 mukainen menetelmä, jossa lisäksi:- poistetaan ainakin osa primäärin jäteveden (270) orgaanisesta aineksesta biologisella käsittelyllä.
- 24. Patenttivaatimuksen 8 mukaisesta kalsiumvapaasta jätevedestä (272) saadun prosessiveden käyttö sellu-, paperi- ja/tai vaneritehtaan prosessissa ja/tai voimalaitoksen prosessissa.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20126369A FI127995B (fi) | 2012-12-21 | 2012-12-21 | Jäteveden ja savukaasun hyödyntäminen |
| BR112015014448A BR112015014448A2 (pt) | 2012-12-21 | 2013-12-10 | método para tratamento de efluente primário de uma fábrica de polpa, papel ou compensado, carbonato de cálcio precipitado, uso de um gás de exaustão, e, de uma água de processo |
| SE1550839A SE540942C2 (en) | 2012-12-21 | 2013-12-10 | Method of treating primary effluent of a pulp, paper or plywood mill by introducing exhaust gas comprising carbon dioxide |
| PCT/FI2013/051150 WO2014096527A1 (en) | 2012-12-21 | 2013-12-10 | Method of treating primary effluent of a pulp, paper or plywood mill by introducing exhaust gas comprising carbon dioxide |
| UY0001035239A UY35239A (es) | 2012-12-21 | 2013-12-20 | Utilización de aguas residuales y gases de combustión |
| CL2015001739A CL2015001739A1 (es) | 2012-12-21 | 2015-06-18 | Procedimiento para el tratamiento de efluentes primarios de una pulpa, papel o molino contraenchapado introduciendo descarga de gas que contiene dioxido de carbono. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20126369A FI127995B (fi) | 2012-12-21 | 2012-12-21 | Jäteveden ja savukaasun hyödyntäminen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20126369A FI20126369A (fi) | 2014-06-22 |
| FI127995B true FI127995B (fi) | 2019-07-15 |
Family
ID=49917109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20126369A FI127995B (fi) | 2012-12-21 | 2012-12-21 | Jäteveden ja savukaasun hyödyntäminen |
Country Status (6)
| Country | Link |
|---|---|
| BR (1) | BR112015014448A2 (fi) |
| CL (1) | CL2015001739A1 (fi) |
| FI (1) | FI127995B (fi) |
| SE (1) | SE540942C2 (fi) |
| UY (1) | UY35239A (fi) |
| WO (1) | WO2014096527A1 (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO342601B1 (en) * | 2015-10-28 | 2018-06-18 | Ecopro As | Process and plant for producing biogas |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639206A (en) * | 1969-07-29 | 1972-02-01 | Continental Can Co | Treatment of waste water from alkaline pulping processes |
| US3833463A (en) * | 1972-10-26 | 1974-09-03 | Owens Illinois Inc | Method of decolorizing waste process liquid discharged by a paper mill |
| US5401362A (en) * | 1993-03-24 | 1995-03-28 | Kamyr, Inc. | Control of metals and dissolved organics in the bleach plant |
| US5679220A (en) * | 1995-01-19 | 1997-10-21 | International Paper Company | Process for enhanced deposition and retention of particulate filler on papermaking fibers |
| US5759258A (en) * | 1995-03-15 | 1998-06-02 | Minerals Technologies Inc. | Recycling of mineral fillers from the residue of a paper deinking plant |
| SE9803384L (sv) * | 1998-03-02 | 1999-09-03 | Kemira Kemi Ab | Förfarande för behandling av processvatten |
| FI20011131A (fi) * | 2001-05-30 | 2002-12-01 | Upm Kymmene Oyj | Kiertovesien käsittelymenetelmä |
| FI20096259A0 (fi) * | 2009-11-30 | 2009-11-30 | Linde Ag | Menetelmä ja järjestelmä prosessiveden käsittelemiseksi |
-
2012
- 2012-12-21 FI FI20126369A patent/FI127995B/fi active IP Right Grant
-
2013
- 2013-12-10 SE SE1550839A patent/SE540942C2/en unknown
- 2013-12-10 WO PCT/FI2013/051150 patent/WO2014096527A1/en active Application Filing
- 2013-12-10 BR BR112015014448A patent/BR112015014448A2/pt not_active Application Discontinuation
- 2013-12-20 UY UY0001035239A patent/UY35239A/es active IP Right Grant
-
2015
- 2015-06-18 CL CL2015001739A patent/CL2015001739A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014096527A1 (en) | 2014-06-26 |
| BR112015014448A2 (pt) | 2017-07-11 |
| SE540942C2 (en) | 2018-12-27 |
| SE1550839A1 (sv) | 2015-06-17 |
| CL2015001739A1 (es) | 2016-02-05 |
| UY35239A (es) | 2014-08-29 |
| FI20126369A (fi) | 2014-06-22 |
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