ES2845552T3 - Inhibición de la sedimentación en la fabricación de celulosa de acuerdo con el procedimiento del sulfato (digestión de Kraft) - Google Patents

Inhibición de la sedimentación en la fabricación de celulosa de acuerdo con el procedimiento del sulfato (digestión de Kraft) Download PDF

Info

Publication number: ES2845552T3
Authority: ES; Spain
Prior art keywords: acid; acids; group; monoethylenic unsaturation; comb polymers
Prior art date: 2017-01-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

ES18701117T

Other languages

English (en)

Spanish (es)

Inventor

Bernd Horrer

Silvia Held-Beller

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CHT Germany GmbH

Original Assignee

CHT Germany GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2017-01-12

Filing date

2018-01-09

Publication date

2021-07-27

2018-01-09 Application filed by CHT Germany GmbH filed Critical CHT Germany GmbH

2021-07-27 Application granted granted Critical

2021-07-27 Publication of ES2845552T3 publication Critical patent/ES2845552T3/es

Status Active legal-status Critical Current

2038-01-09 Anticipated expiration legal-status Critical

Links

238000000034 method Methods 0.000 title claims abstract description 35
229920002678 cellulose Polymers 0.000 title claims abstract description 27
239000001913 cellulose Substances 0.000 title claims abstract description 24
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 22
239000002655 kraft paper Substances 0.000 title claims abstract description 13
238000004519 manufacturing process Methods 0.000 title claims abstract description 13
230000029087 digestion Effects 0.000 title claims abstract description 8
238000004062 sedimentation Methods 0.000 title claims abstract description 8
230000008569 process Effects 0.000 title claims description 29
230000005764 inhibitory process Effects 0.000 title description 5
229920000642 polymer Polymers 0.000 claims abstract description 48
239000003112 inhibitor Substances 0.000 claims abstract description 25
239000002253 acid Substances 0.000 claims abstract description 23
239000000178 monomer Substances 0.000 claims abstract description 21
150000007513 acids Chemical class 0.000 claims abstract description 18
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229920000570 polyether Polymers 0.000 claims abstract description 11
238000010526 radical polymerization reaction Methods 0.000 claims abstract description 11
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238000010411 cooking Methods 0.000 claims description 20
239000011347 resin Substances 0.000 claims description 20
229920005989 resin Polymers 0.000 claims description 20
239000002270 dispersing agent Substances 0.000 claims description 12
239000003760 tallow Substances 0.000 claims description 12
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 11
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 9
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 9
239000011976 maleic acid Substances 0.000 claims description 9
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 8
229920001577 copolymer Polymers 0.000 claims description 6
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
239000000344 soap Substances 0.000 claims description 5
JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 4
XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 4
AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 claims description 4
VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 4
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239000003921 oil Substances 0.000 claims description 4
NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims description 4
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229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims description 3
XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 claims description 3
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 3
LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 claims description 3
XFHJDMUEHUHAJW-UHFFFAOYSA-N n-tert-butylprop-2-enamide Chemical compound CC(C)(C)NC(=O)C=C XFHJDMUEHUHAJW-UHFFFAOYSA-N 0.000 claims description 3
UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 claims description 3
229920001897 terpolymer Polymers 0.000 claims description 3
LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 claims description 3
ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 claims description 3
235000014113 dietary fatty acids Nutrition 0.000 claims description 2
239000000194 fatty acid Substances 0.000 claims description 2
229930195729 fatty acid Natural products 0.000 claims description 2
150000004665 fatty acids Chemical class 0.000 claims description 2
239000001530 fumaric acid Substances 0.000 claims description 2
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UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims description 2
238000005406 washing Methods 0.000 claims description 2
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 3
VKZRWSNIWNFCIQ-WDSKDSINSA-N (2s)-2-[2-[[(1s)-1,2-dicarboxyethyl]amino]ethylamino]butanedioic acid Chemical compound OC(=O)C[C@@H](C(O)=O)NCCN[C@H](C(O)=O)CC(O)=O VKZRWSNIWNFCIQ-WDSKDSINSA-N 0.000 claims 1
COJBCAMFZDFGFK-VCSGLWQLSA-N 2-O-sulfo-alpha-L-idopyranuronic acid Chemical compound O[C@@H]1O[C@@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1OS(O)(=O)=O COJBCAMFZDFGFK-VCSGLWQLSA-N 0.000 claims 1
SZHQPBJEOCHCKM-UHFFFAOYSA-N 2-phosphonobutane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(P(O)(O)=O)(C(O)=O)CC(O)=O SZHQPBJEOCHCKM-UHFFFAOYSA-N 0.000 claims 1
101100345345 Arabidopsis thaliana MGD1 gene Proteins 0.000 claims 1
RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims 1
RGHNJXZEOKUKBD-SQOUGZDYSA-N Gluconic acid Natural products OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims 1
YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims 1
239000003945 anionic surfactant Substances 0.000 claims 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 claims 1
239000000174 gluconic acid Substances 0.000 claims 1
235000012208 gluconic acid Nutrition 0.000 claims 1
UZVUJVFQFNHRSY-OUTKXMMCSA-J tetrasodium;(2s)-2-[bis(carboxylatomethyl)amino]pentanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CC[C@@H](C([O-])=O)N(CC([O-])=O)CC([O-])=O UZVUJVFQFNHRSY-OUTKXMMCSA-J 0.000 claims 1
OHOTVSOGTVKXEL-UHFFFAOYSA-K trisodium;2-[bis(carboxylatomethyl)amino]propanoate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C(C)N(CC([O-])=O)CC([O-])=O OHOTVSOGTVKXEL-UHFFFAOYSA-K 0.000 claims 1
238000000151 deposition Methods 0.000 description 36
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 20
235000010980 cellulose Nutrition 0.000 description 20
238000012360 testing method Methods 0.000 description 14
239000000243 solution Substances 0.000 description 12
229910000019 calcium carbonate Inorganic materials 0.000 description 10
235000010216 calcium carbonate Nutrition 0.000 description 10
238000007792 addition Methods 0.000 description 8
239000000203 mixture Substances 0.000 description 8
238000001914 filtration Methods 0.000 description 7
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
230000000694 effects Effects 0.000 description 6
239000000706 filtrate Substances 0.000 description 6
239000000047 product Substances 0.000 description 6
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
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XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
239000007844 bleaching agent Substances 0.000 description 4
239000000123 paper 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
239000000126 substance Substances 0.000 description 4
ATVJXMYDOSMEPO-UHFFFAOYSA-N 3-prop-2-enoxyprop-1-ene Chemical compound C=CCOCC=C ATVJXMYDOSMEPO-UHFFFAOYSA-N 0.000 description 3
229920002266 Pluriol® Polymers 0.000 description 3
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
229910000029 sodium carbonate Inorganic materials 0.000 description 3
229910052938 sodium sulfate Inorganic materials 0.000 description 3
235000011152 sodium sulphate Nutrition 0.000 description 3
239000002023 wood Substances 0.000 description 3
206010049865 Achromotrichia acquired Diseases 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
239000002202 Polyethylene glycol Substances 0.000 description 2
239000011575 calcium Substances 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
239000013078 crystal Substances 0.000 description 2
239000003599 detergent Substances 0.000 description 2
238000011156 evaluation Methods 0.000 description 2
230000001747 exhibiting effect Effects 0.000 description 2
238000010304 firing Methods 0.000 description 2
230000002209 hydrophobic effect Effects 0.000 description 2
230000002401 inhibitory effect Effects 0.000 description 2
229920001223 polyethylene glycol Polymers 0.000 description 2
229920000151 polyglycol Polymers 0.000 description 2
239000010695 polyglycol Substances 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000000926 separation method Methods 0.000 description 2
LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
235000018185 Betula X alpestris Nutrition 0.000 description 1
235000018212 Betula X uliginosa Nutrition 0.000 description 1
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
102000004190 Enzymes Human genes 0.000 description 1
108090000790 Enzymes Proteins 0.000 description 1
IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
239000004721 Polyphenylene oxide Substances 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
241000779819 Syncarpia glomulifera Species 0.000 description 1
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000001464 adherent effect Effects 0.000 description 1
239000003513 alkali Substances 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
238000010640 amide synthesis reaction Methods 0.000 description 1
238000010923 batch production Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000004061 bleaching Methods 0.000 description 1
ITMIAZBRRZANGB-UHFFFAOYSA-N but-3-ene-1,2-diol Chemical compound OCC(O)C=C ITMIAZBRRZANGB-UHFFFAOYSA-N 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
150000001720 carbohydrates Chemical class 0.000 description 1
235000014633 carbohydrates Nutrition 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000004945 emulsification Methods 0.000 description 1
230000001804 emulsifying effect Effects 0.000 description 1
230000032050 esterification Effects 0.000 description 1
238000005886 esterification reaction Methods 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
125000003010 ionic group Chemical group 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000000463 material Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000000269 nucleophilic effect Effects 0.000 description 1
125000005702 oxyalkylene group Chemical group 0.000 description 1
ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
239000001739 pinus spp. Substances 0.000 description 1
229920000233 poly(alkylene oxides) Polymers 0.000 description 1
229920001281 polyalkylene Polymers 0.000 description 1
229920001515 polyalkylene glycol Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
229920001451 polypropylene glycol Polymers 0.000 description 1
239000005077 polysulfide Substances 0.000 description 1
229920001021 polysulfide Polymers 0.000 description 1
150000008117 polysulfides Polymers 0.000 description 1
239000011148 porous material Substances 0.000 description 1
230000008092 positive effect Effects 0.000 description 1
239000002455 scale inhibitor Substances 0.000 description 1
210000002374 sebum Anatomy 0.000 description 1
229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
239000007787 solid Substances 0.000 description 1
-1 sulfide anion Chemical class 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
239000004753 textile Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
229940036248 turpentine Drugs 0.000 description 1
239000002699 waste material Substances 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/226—Use of compounds avoiding scale formation
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Polyethers (AREA)

ES18701117T 2017-01-12 2018-01-09 Inhibición de la sedimentación en la fabricación de celulosa de acuerdo con el procedimiento del sulfato (digestión de Kraft) Active ES2845552T3 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102017200430.4A DE102017200430A1 (de)	2017-01-12	2017-01-12	Ablagerungsverhinderung in der Zellstoff-Herstellung nach dem Sulfatverfahren (Kraft-Aufschluss)
PCT/EP2018/050472 WO2018130528A1 (de)	2017-01-12	2018-01-09	Ablagerungsverhinderung in der zellstoff-herstellung nach dem sulfatverfahren (kraft-aufschluss)

Publications (1)

Publication Number	Publication Date
ES2845552T3 true ES2845552T3 (es)	2021-07-27

Family

ID=61022317

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES18701117T Active ES2845552T3 (es)	2017-01-12	2018-01-09	Inhibición de la sedimentación en la fabricación de celulosa de acuerdo con el procedimiento del sulfato (digestión de Kraft)

Country Status (11)

Country	Link
EP (1)	EP3568519B1 (pl)
AU (1)	AU2018207866B2 (pl)
BR (1)	BR112019013116A2 (pl)
CA (1)	CA3043462A1 (pl)
CL (1)	CL2019001599A1 (pl)
DE (1)	DE102017200430A1 (pl)
ES (1)	ES2845552T3 (pl)
PL (1)	PL3568519T3 (pl)
PT (1)	PT3568519T (pl)
RU (1)	RU2746828C2 (pl)
WO (1)	WO2018130528A1 (pl)

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Publication number	Priority date	Publication date	Assignee	Title
CN109665634A (zh) *	2019-01-30	2019-04-23	上海电力学院	一种高分子阻垢缓蚀剂及其制备方法和应用
IT202200003134A1 (it)	2022-02-21	2023-08-21	Alter Eco Pulp S R L	Metodo di estrazione della cellulosa da biomasse di scarto
IT202300018270A1 (it)	2023-09-06	2025-03-06	Alter Eco Pulp S R L	Metodo di estrazione della cellulosa da biomasse di scarto e di recupero dei solventi organici utilizzati

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US4500693A (en) *	1981-07-07	1985-02-19	Nippon Shokubai Kagaku Kogyo Co., Ltd.	Water soluble copolymer method for manufacture therefore and use thereof
EP0537870A1 (en)	1991-10-18	1993-04-21	W.R. Grace & Co.-Conn.	Copolymers of ethylenically unsaturated ethers useful as hydraulic cement superplasticizers
JPH0699879B2 (ja)	1992-08-27	1994-12-07	伯東株式会社	パルプ蒸解釜のスケール付着防止剤およびスケール付着防止方法
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2017
- 2017-01-12 DE DE102017200430.4A patent/DE102017200430A1/de not_active Withdrawn
2018
- 2018-01-09 PL PL18701117T patent/PL3568519T3/pl unknown
- 2018-01-09 PT PT187011176T patent/PT3568519T/pt unknown
- 2018-01-09 CA CA3043462A patent/CA3043462A1/en not_active Abandoned
- 2018-01-09 ES ES18701117T patent/ES2845552T3/es active Active
- 2018-01-09 EP EP18701117.6A patent/EP3568519B1/de not_active Not-in-force
- 2018-01-09 WO PCT/EP2018/050472 patent/WO2018130528A1/de not_active Ceased
- 2018-01-09 BR BR112019013116A patent/BR112019013116A2/pt active Search and Examination
- 2018-01-09 AU AU2018207866A patent/AU2018207866B2/en not_active Ceased
- 2018-01-09 RU RU2019121787A patent/RU2746828C2/ru active
2019
- 2019-06-11 CL CL2019001599A patent/CL2019001599A1/es unknown

Also Published As

Publication number	Publication date
CA3043462A1 (en)	2018-07-19
AU2018207866A1 (en)	2019-05-23
RU2746828C2 (ru)	2021-04-21
RU2019121787A (ru)	2021-02-12
BR112019013116A2 (pt)	2019-12-17
EP3568519A1 (de)	2019-11-20
RU2019121787A3 (pl)	2021-02-12
AU2018207866B2 (en)	2022-04-14
DE102017200430A1 (de)	2018-07-12
EP3568519B1 (de)	2020-11-18
PT3568519T (pt)	2021-02-10
CL2019001599A1 (es)	2019-08-23
WO2018130528A1 (de)	2018-07-19
PL3568519T3 (pl)	2021-05-31

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