BR112016019546B1 - Método para fabricação de papel - Google Patents
Método para fabricação de papel Download PDFInfo
- Publication number
- BR112016019546B1 BR112016019546B1 BR112016019546-9A BR112016019546A BR112016019546B1 BR 112016019546 B1 BR112016019546 B1 BR 112016019546B1 BR 112016019546 A BR112016019546 A BR 112016019546A BR 112016019546 B1 BR112016019546 B1 BR 112016019546B1
- Authority
- BR
- Brazil
- Prior art keywords
- biocides
- paper
- pulping
- fiber
- recycled fiber
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 229920002472 Starch Polymers 0.000 claims abstract description 285
- 235000019698 starch Nutrition 0.000 claims abstract description 285
- 239000008107 starch Substances 0.000 claims abstract description 267
- 238000000034 method Methods 0.000 claims abstract description 252
- 239000000835 fiber Substances 0.000 claims abstract description 211
- 239000003139 biocide Substances 0.000 claims abstract description 155
- 238000004537 pulping Methods 0.000 claims abstract description 131
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 230000001590 oxidative effect Effects 0.000 claims description 94
- 239000000460 chlorine Substances 0.000 claims description 44
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 43
- 229910052801 chlorine Inorganic materials 0.000 claims description 43
- 230000008569 process Effects 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000011122 softwood Substances 0.000 claims description 41
- 230000008719 thickening Effects 0.000 claims description 37
- 239000000126 substance Substances 0.000 claims description 36
- 238000010926 purge Methods 0.000 claims description 35
- 239000011121 hardwood Substances 0.000 claims description 31
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 24
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 24
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 24
- 238000012216 screening Methods 0.000 claims description 23
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 22
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 22
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 21
- 238000003801 milling Methods 0.000 claims description 20
- 239000013055 pulp slurry Substances 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000000227 grinding Methods 0.000 claims description 13
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 claims description 6
- PIEXCQIOSMOEOU-UHFFFAOYSA-N 1-bromo-3-chloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Br)C(=O)N(Cl)C1=O PIEXCQIOSMOEOU-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 4
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 claims description 3
- YGOPULMDEZVJGI-UHFFFAOYSA-N 1-(2-chlorophenyl)ethane-1,2-diol Chemical compound OCC(O)C1=CC=CC=C1Cl YGOPULMDEZVJGI-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 3
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 102
- 239000000523 sample Substances 0.000 description 42
- 238000007792 addition Methods 0.000 description 34
- 239000000654 additive Substances 0.000 description 27
- 230000003115 biocidal effect Effects 0.000 description 21
- 239000000463 material Substances 0.000 description 21
- 150000003839 salts Chemical class 0.000 description 18
- 239000010893 paper waste Substances 0.000 description 17
- ZKHQWZAMYRWXGA-KQYNXXCUSA-J ATP(4-) Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O ZKHQWZAMYRWXGA-KQYNXXCUSA-J 0.000 description 15
- ZKHQWZAMYRWXGA-UHFFFAOYSA-N Adenosine triphosphate Natural products C1=NC=2C(N)=NC=NC=2N1C1OC(COP(O)(=O)OP(O)(=O)OP(O)(O)=O)C(O)C1O ZKHQWZAMYRWXGA-UHFFFAOYSA-N 0.000 description 15
- 210000000038 chest Anatomy 0.000 description 15
- -1 alkali metal salts Chemical class 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 11
- 241000894006 Bacteria Species 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 238000000691 measurement method Methods 0.000 description 10
- 230000002829 reductive effect Effects 0.000 description 10
- 241001148470 aerobic bacillus Species 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 9
- 238000006731 degradation reaction Methods 0.000 description 9
- 229920001131 Pulp (paper) Polymers 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000012496 blank sample Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 8
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 239000007800 oxidant agent Substances 0.000 description 6
- 230000033116 oxidation-reduction process Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 4
- 229940077239 chlorous acid Drugs 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 238000005903 acid hydrolysis reaction Methods 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- SXDBWCPKPHAZSM-UHFFFAOYSA-N bromic acid Chemical compound OBr(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-N 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 3
- 229940005991 chloric acid Drugs 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid group Chemical class S(N)(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 3
- QNGVNLMMEQUVQK-UHFFFAOYSA-N 4-n,4-n-diethylbenzene-1,4-diamine Chemical compound CCN(CC)C1=CC=C(N)C=C1 QNGVNLMMEQUVQK-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 150000007973 cyanuric acids Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- CUILPNURFADTPE-UHFFFAOYSA-N hypobromous acid Chemical compound BrO CUILPNURFADTPE-UHFFFAOYSA-N 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- WCLKSQYCWXZMGX-UHFFFAOYSA-N 1,2,3,4-tetrabromo-5,6-dimethoxybenzene Chemical compound COC1=C(Br)C(Br)=C(Br)C(Br)=C1OC WCLKSQYCWXZMGX-UHFFFAOYSA-N 0.000 description 1
- RTQPZPWCYWVQCL-UHFFFAOYSA-N 1-[3-(2-methoxyethoxy)phenyl]piperazine Chemical compound COCCOC1=CC=CC(N2CCNCC2)=C1 RTQPZPWCYWVQCL-UHFFFAOYSA-N 0.000 description 1
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- XWNSFEAWWGGSKJ-UHFFFAOYSA-N 4-acetyl-4-methylheptanedinitrile Chemical compound N#CCCC(C)(C(=O)C)CCC#N XWNSFEAWWGGSKJ-UHFFFAOYSA-N 0.000 description 1
- JJKVMNNUINFIRK-UHFFFAOYSA-N 4-amino-n-(4-methoxyphenyl)benzamide Chemical compound C1=CC(OC)=CC=C1NC(=O)C1=CC=C(N)C=C1 JJKVMNNUINFIRK-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 239000004154 Calcium bromate Substances 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 239000004153 Potassium bromate Substances 0.000 description 1
- XRRYGMTXOYFERK-UHFFFAOYSA-N [I].[K].[I] Chemical compound [I].[K].[I] XRRYGMTXOYFERK-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- KHPLPBHMTCTCHA-UHFFFAOYSA-N ammonium chlorate Chemical compound N.OCl(=O)=O KHPLPBHMTCTCHA-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- BEOODBYKENEKIC-UHFFFAOYSA-N azanium;bromate Chemical compound [NH4+].[O-]Br(=O)=O BEOODBYKENEKIC-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- NKQIMNKPSDEDMO-UHFFFAOYSA-L barium bromide Chemical compound [Br-].[Br-].[Ba+2] NKQIMNKPSDEDMO-UHFFFAOYSA-L 0.000 description 1
- 229910001620 barium bromide Inorganic materials 0.000 description 1
- ISFLYIRWQDJPDR-UHFFFAOYSA-L barium chlorate Chemical compound [Ba+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O ISFLYIRWQDJPDR-UHFFFAOYSA-L 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- HPEWZLCIOKVLBZ-UHFFFAOYSA-N barium hypochlorite Chemical compound [Ba+2].Cl[O-].Cl[O-] HPEWZLCIOKVLBZ-UHFFFAOYSA-N 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- GJLYNKHFWXDDKG-UHFFFAOYSA-N barium(2+) dihypobromite Chemical compound [Ba+2].Br[O-].Br[O-] GJLYNKHFWXDDKG-UHFFFAOYSA-N 0.000 description 1
- VEASZGAADGZARC-UHFFFAOYSA-L barium(2+);dibromate Chemical compound [Ba+2].[O-]Br(=O)=O.[O-]Br(=O)=O VEASZGAADGZARC-UHFFFAOYSA-L 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- BEHLMOQXOSLGHN-UHFFFAOYSA-N benzenamine sulfate Chemical compound OS(=O)(=O)NC1=CC=CC=C1 BEHLMOQXOSLGHN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- DKSMCEUSSQTGBK-UHFFFAOYSA-N bromous acid Chemical compound OBr=O DKSMCEUSSQTGBK-UHFFFAOYSA-N 0.000 description 1
- 235000019397 calcium bromate Nutrition 0.000 description 1
- 229910001622 calcium bromide Inorganic materials 0.000 description 1
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- WGEFECGEFUFIQW-UHFFFAOYSA-L calcium dibromide Chemical compound [Ca+2].[Br-].[Br-] WGEFECGEFUFIQW-UHFFFAOYSA-L 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- XVDWMONETMNKBK-UHFFFAOYSA-N calcium;dihypobromite Chemical compound [Ca+2].Br[O-].Br[O-] XVDWMONETMNKBK-UHFFFAOYSA-N 0.000 description 1
- RSIPQRDGPVEGLE-UHFFFAOYSA-L calcium;disulfamate Chemical compound [Ca+2].NS([O-])(=O)=O.NS([O-])(=O)=O RSIPQRDGPVEGLE-UHFFFAOYSA-L 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- YGNOYUCUPMACDT-UHFFFAOYSA-N dimethylsulfamic acid Chemical compound CN(C)S(O)(=O)=O YGNOYUCUPMACDT-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005184 irreversible process Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- MYMDOKBFMTVEGE-UHFFFAOYSA-N methylsulfamic acid Chemical compound CNS(O)(=O)=O MYMDOKBFMTVEGE-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 239000010899 old newspaper Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- LLYCMZGLHLKPPU-UHFFFAOYSA-N perbromic acid Chemical compound OBr(=O)(=O)=O LLYCMZGLHLKPPU-UHFFFAOYSA-N 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 235000019396 potassium bromate Nutrition 0.000 description 1
- 229940094037 potassium bromate Drugs 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- SATVIFGJTRRDQU-UHFFFAOYSA-N potassium hypochlorite Chemical compound [K+].Cl[O-] SATVIFGJTRRDQU-UHFFFAOYSA-N 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- ORQYPOUSZINNCB-UHFFFAOYSA-N potassium;hypobromite Chemical compound [K+].Br[O-] ORQYPOUSZINNCB-UHFFFAOYSA-N 0.000 description 1
- BTAAXEFROUUDIL-UHFFFAOYSA-M potassium;sulfamate Chemical compound [K+].NS([O-])(=O)=O BTAAXEFROUUDIL-UHFFFAOYSA-M 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- XUXNAKZDHHEHPC-UHFFFAOYSA-M sodium bromate Chemical compound [Na+].[O-]Br(=O)=O XUXNAKZDHHEHPC-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- CRWJEUDFKNYSBX-UHFFFAOYSA-N sodium;hypobromite Chemical compound [Na+].Br[O-] CRWJEUDFKNYSBX-UHFFFAOYSA-N 0.000 description 1
- QDWYPRSFEZRKDK-UHFFFAOYSA-M sodium;sulfamate Chemical compound [Na+].NS([O-])(=O)=O QDWYPRSFEZRKDK-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 159000000008 strontium salts Chemical class 0.000 description 1
- PHUJCVAICLQULC-UHFFFAOYSA-L strontium;disulfamate Chemical compound [Sr+2].NS([O-])(=O)=O.NS([O-])(=O)=O PHUJCVAICLQULC-UHFFFAOYSA-L 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000001974 tryptic soy broth Substances 0.000 description 1
- 108010050327 trypticase-soy broth Proteins 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/322—Defibrating by other means of waste paper coated with synthetic materials
-
- 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
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068306.0A CN104878639A (zh) | 2014-02-27 | 2014-02-27 | 利用杀菌剂保护回收纤维的方法以及利用回收纤维造纸的方法 |
| CN201410068306.0 | 2014-02-27 | ||
| PCT/US2015/014600 WO2015130442A1 (en) | 2014-02-27 | 2015-02-05 | Method for preserving recycled fiber by using biocides in paper manufactureing and method for manufacturing paper using recycled fibers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016019546A2 BR112016019546A2 (enExample) | 2017-08-15 |
| BR112016019546B1 true BR112016019546B1 (pt) | 2022-02-01 |
Family
ID=53946303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016019546-9A BR112016019546B1 (pt) | 2014-02-27 | 2015-02-05 | Método para fabricação de papel |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10422079B2 (enExample) |
| EP (1) | EP3111008B1 (enExample) |
| JP (1) | JP6541679B2 (enExample) |
| KR (1) | KR102390399B1 (enExample) |
| CN (2) | CN109722936B (enExample) |
| BR (1) | BR112016019546B1 (enExample) |
| ES (1) | ES2912272T3 (enExample) |
| PL (1) | PL3111008T3 (enExample) |
| TW (1) | TWI695103B (enExample) |
| WO (1) | WO2015130442A1 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017053054A (ja) * | 2015-09-08 | 2017-03-16 | 株式会社片山化学工業研究所 | 古紙パルプの製造方法 |
| CN106555359B (zh) * | 2016-11-17 | 2019-02-05 | 山西强伟纸业有限公司 | 一种增加石膏板护面纸强度的生产工艺 |
| JP6854485B2 (ja) * | 2017-07-28 | 2021-04-07 | 株式会社片山化学工業研究所 | 白水改質方法及び古紙パルプ製造方法 |
| CN110130134B (zh) * | 2018-02-02 | 2022-10-14 | 金红叶纸业集团有限公司 | 一种造纸系统及造纸方法 |
| CN108316044A (zh) * | 2018-04-04 | 2018-07-24 | 江苏富淼科技股份有限公司 | 一种抄纸系统及抄纸方法 |
| JP6498342B1 (ja) * | 2018-06-28 | 2019-04-10 | 無臭元工業株式会社 | 紙製造工程水系の抗菌方法 |
| US11414791B2 (en) | 2018-08-23 | 2022-08-16 | Eastman Chemical Company | Recycled deinked sheet articles |
| US11230811B2 (en) | 2018-08-23 | 2022-01-25 | Eastman Chemical Company | Recycle bale comprising cellulose ester |
| US11492755B2 (en) * | 2018-08-23 | 2022-11-08 | Eastman Chemical Company | Waste recycle composition |
| DE102019001127A1 (de) * | 2019-02-15 | 2020-08-20 | Meri Environmental Solutions Gmbh | Verfahren und Vorrichtung zur anaeroben Aufbereitung von Ab- und/oder Prozesswasser mit Enzymen |
| JP6865936B2 (ja) * | 2019-08-05 | 2021-04-28 | 株式会社片山化学工業研究所 | 古紙パルプの製造方法 |
| JP6664627B1 (ja) * | 2019-10-07 | 2020-03-13 | 株式会社片山化学工業研究所 | 製紙工程における紙力増強剤の効果向上方法 |
| CN110904713B (zh) * | 2019-12-25 | 2024-05-03 | 玖龙纸业（太仓）有限公司 | 一种生产箱纸板的水循环系统 |
| CN111335068B (zh) * | 2020-03-16 | 2021-06-25 | 山鹰国际控股股份公司 | 一种有效控制造纸过程异味的方法 |
| WO2021214385A1 (en) * | 2020-04-20 | 2021-10-28 | Kemira Oyj | A method of controlling enzymatic activities and tools related thereto |
| IT202000011149A1 (it) * | 2020-05-15 | 2021-11-15 | Novatrust Sa | Procedimento per la produzione di prodotti cartacei. |
| EP4150148A1 (en) * | 2020-05-15 | 2023-03-22 | Novatrust SA | Method for the production of paper products |
| WO2021250317A1 (en) * | 2020-06-09 | 2021-12-16 | Kemira Oyj | Methods of determining bacteria and manufacturing a fibrous web and tools and uses related thereto |
| CN112342824A (zh) * | 2020-06-17 | 2021-02-09 | 福州杰阳科技有限公司 | 一种造纸筛选除渣工艺 |
| CN112359633A (zh) * | 2020-11-04 | 2021-02-12 | 江西中竹生物质科技有限公司 | 农用地膜纸制浆系统 |
| US12065367B2 (en) * | 2021-04-23 | 2024-08-20 | Ecolab Usa Inc. | Volatile fatty acid control |
| CN114318924B (zh) * | 2021-12-28 | 2023-03-28 | 山东龙德复合材料科技股份有限公司 | 一种高值化利用固化滤纸废纸的方法 |
| CA3263758A1 (en) * | 2022-09-16 | 2024-03-21 | Chemtreat, Inc. | COMPOSITIONS AND PROCESSES FOR WATER TREATMENT BY STABILIZING OXIDANTS GENERATED IN SITU |
| CN115787332A (zh) * | 2022-11-11 | 2023-03-14 | 玖龙纸业（东莞）有限公司 | 一种控制纸张异味的方法 |
| WO2025237544A1 (en) * | 2024-05-16 | 2025-11-20 | Novatrust Sa | Method for the production of paper products |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4562969A (en) | 1984-03-05 | 1986-01-07 | Mooch Domsjo Aktiebolag | Process for preparing groundwood pulp as short fiber and long fiber fractions |
| US4983258A (en) * | 1988-10-03 | 1991-01-08 | Prime Fiber Corporation | Conversion of pulp and paper mill waste solids to papermaking pulp |
| US5211809A (en) | 1991-05-21 | 1993-05-18 | Air Products And Chemicals, Inc,. | Dye removal in oxygen color stripping of secondary fibers |
| FI122815B (fi) | 2005-04-18 | 2012-07-13 | Cerefi Oy | Menetelmä lignoselluloosamateriaalien ja niistä saatujen jakeiden fraktioimiseksi |
| US20070062661A1 (en) * | 2005-09-16 | 2007-03-22 | Boettcher Jennifer A | Process for repulping wet-strength broke |
| US7776363B2 (en) * | 2006-01-27 | 2010-08-17 | Nalco Company | Suppressing microbial growth in pulp and paper |
| JP5262566B2 (ja) * | 2008-10-21 | 2013-08-14 | 栗田工業株式会社 | 紙の製造方法 |
| WO2010060569A1 (en) * | 2008-11-27 | 2010-06-03 | Clariant International Ltd | Improved optical brightening compositions for high quality ink jet printing |
| EP2596170B1 (en) * | 2010-07-23 | 2018-05-02 | Archroma IP GmbH | Method for preparing white paper |
| JP5933550B2 (ja) | 2010-08-25 | 2016-06-08 | ソレニス・テクノロジーズ・ケイマン・エル・ピー | 紙および板紙の生産でパルプ化セルロース系材料中のデンプンの利点を増加させる方法 |
| WO2012070644A1 (ja) * | 2010-11-25 | 2012-05-31 | 栗田工業株式会社 | 紙を製造する方法 |
| EP2692945B1 (en) * | 2011-03-31 | 2018-06-06 | Nippon Paper Industries Co., Ltd. | Method for producing pulp and paper |
| WO2013026578A1 (en) * | 2011-08-25 | 2013-02-28 | Ashland Licensing And Intellectual Property Llc | Method for increasing the advantages of strength aids in the production of paper and paperboard |
| EP3656217A1 (en) * | 2011-09-30 | 2020-05-27 | Kemira Oyj | Prevention of starch degradation in pulp, paper or board making processes |
| ES2719075T3 (es) * | 2012-01-20 | 2019-07-08 | Kemira Oyj | Dispositivo y método para monitorizar la dosificación de biocidas en una máquina |
| FI124202B (en) * | 2012-02-22 | 2014-04-30 | Kemira Oyj | A method for improving the process of making paper or paperboard using recycled fibrous material |
| CN102561091B (zh) | 2012-03-06 | 2014-06-18 | 广东理文造纸有限公司 | 低木浆用量的高强度箱板纸制造工艺 |
| ES3040708T3 (en) * | 2012-06-05 | 2025-11-04 | Buckman Laboratories Int Inc | Methods of preserving starch in pulp |
| CN103088695B (zh) * | 2012-12-17 | 2014-09-10 | 华南理工大学 | 一种利用造纸污泥和废纸生产箱板纸的装置及其方法 |
-
2014
- 2014-02-27 CN CN201910140109.8A patent/CN109722936B/zh active Active
- 2014-02-27 CN CN201410068306.0A patent/CN104878639A/zh active Pending
-
2015
- 2015-02-05 BR BR112016019546-9A patent/BR112016019546B1/pt active IP Right Grant
- 2015-02-05 PL PL15755917T patent/PL3111008T3/pl unknown
- 2015-02-05 WO PCT/US2015/014600 patent/WO2015130442A1/en not_active Ceased
- 2015-02-05 US US15/119,517 patent/US10422079B2/en active Active
- 2015-02-05 KR KR1020167026542A patent/KR102390399B1/ko active Active
- 2015-02-05 EP EP15755917.0A patent/EP3111008B1/en active Active
- 2015-02-05 ES ES15755917T patent/ES2912272T3/es active Active
- 2015-02-05 JP JP2016554486A patent/JP6541679B2/ja active Active
- 2015-02-05 TW TW104103860A patent/TWI695103B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3111008A4 (en) | 2017-10-25 |
| US10422079B2 (en) | 2019-09-24 |
| TW201544656A (zh) | 2015-12-01 |
| US20170175333A1 (en) | 2017-06-22 |
| TWI695103B (zh) | 2020-06-01 |
| KR102390399B1 (ko) | 2022-04-22 |
| CN109722936A (zh) | 2019-05-07 |
| EP3111008A1 (en) | 2017-01-04 |
| JP2017506707A (ja) | 2017-03-09 |
| PL3111008T3 (pl) | 2022-05-16 |
| EP3111008B1 (en) | 2022-03-02 |
| CN104878639A (zh) | 2015-09-02 |
| CN109722936B (zh) | 2022-01-18 |
| KR20160127083A (ko) | 2016-11-02 |
| JP6541679B2 (ja) | 2019-07-10 |
| WO2015130442A1 (en) | 2015-09-03 |
| ES2912272T3 (es) | 2022-05-25 |
| BR112016019546A2 (enExample) | 2017-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112016019546B1 (pt) | Método para fabricação de papel | |
| US11795615B2 (en) | Methods of pulp fiber treatment | |
| JP6740312B2 (ja) | パルプ中のデンプンを保存する方法、並びにカルシウムの沈殿及び／又はスケーリングを制御する方法 | |
| KR20130102608A (ko) | 종이를 제조하는 방법 | |
| Tripathi et al. | A comparative study on physico-chemical properties of pulp and paper mill effluent | |
| WO2021123504A1 (en) | Process for manufacturing a fibre web | |
| KR20160078870A (ko) | 종이제조장치 및 배수처리방법 | |
| FI130297B (en) | METHOD FOR REDUCING THE QUANTITY OF BACTERIAL ENDOSPORES IN AN AQUEOUS FIBER SUSPENSION | |
| WO2021244625A1 (en) | Wet-lap preservation | |
| US20140360885A1 (en) | Method of producing biocides from industrial process waters | |
| Kyllönen et al. | Correlation of wood-based components and dewatering properties of waste activated sludge from pulp and paper industry | |
| CA3159424C (en) | Process for manufacturing a fibre web | |
| EP2709960B1 (en) | Method for reducing the biological contamination in a paper production procedure. | |
| BR112012025085B1 (pt) | Método de diminuição da quantidade de oxidante requerido por um processo de polpação ou de produção de papel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
| B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/02/2015, OBSERVADAS AS CONDICOES LEGAIS. |