MX2011000287A - Destintado de un sustrato celulósico utilizando silicato de magnesio. - Google Patents
Destintado de un sustrato celulósico utilizando silicato de magnesio.Info
- Publication number
- MX2011000287A MX2011000287A MX2011000287A MX2011000287A MX2011000287A MX 2011000287 A MX2011000287 A MX 2011000287A MX 2011000287 A MX2011000287 A MX 2011000287A MX 2011000287 A MX2011000287 A MX 2011000287A MX 2011000287 A MX2011000287 A MX 2011000287A
- Authority
- MX
- Mexico
- Prior art keywords
- composition
- optionally
- magnesium silicate
- cellulosic material
- oil
- Prior art date
Links
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000000391 magnesium silicate Substances 0.000 title claims abstract description 29
- 229910052919 magnesium silicate Inorganic materials 0.000 title claims abstract description 29
- 235000019792 magnesium silicate Nutrition 0.000 title claims abstract description 29
- 239000000758 substrate Substances 0.000 title claims abstract description 6
- 239000002761 deinking Substances 0.000 title abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 105
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 54
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 18
- 239000000375 suspending agent Substances 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 33
- 239000003921 oil Substances 0.000 claims description 22
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 21
- 239000000194 fatty acid Substances 0.000 claims description 21
- 229930195729 fatty acid Natural products 0.000 claims description 21
- 150000004665 fatty acids Chemical class 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 17
- 235000010493 xanthan gum Nutrition 0.000 claims description 15
- 239000000230 xanthan gum Substances 0.000 claims description 15
- 229920001285 xanthan gum Polymers 0.000 claims description 15
- 229940082509 xanthan gum Drugs 0.000 claims description 15
- 238000004064 recycling Methods 0.000 claims description 13
- 229920001131 Pulp (paper) Polymers 0.000 claims description 11
- 239000006227 byproduct Substances 0.000 claims description 11
- 239000003518 caustics Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 10
- 239000002023 wood Substances 0.000 claims description 10
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 9
- 239000003784 tall oil Substances 0.000 claims description 9
- 238000005188 flotation Methods 0.000 claims description 7
- 239000002562 thickening agent Substances 0.000 claims description 7
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 6
- 235000010443 alginic acid Nutrition 0.000 claims description 6
- 229920000615 alginic acid Polymers 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 6
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 5
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 5
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 5
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 claims description 5
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 5
- 229940068977 polysorbate 20 Drugs 0.000 claims description 5
- 229920000053 polysorbate 80 Polymers 0.000 claims description 5
- 229940068968 polysorbate 80 Drugs 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 4
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000926 Galactomannan Polymers 0.000 claims description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 3
- 229920000161 Locust bean gum Polymers 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- 235000010418 carrageenan Nutrition 0.000 claims description 3
- 239000000679 carrageenan Substances 0.000 claims description 3
- 229920001525 carrageenan Polymers 0.000 claims description 3
- 229940113118 carrageenan Drugs 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- SMVRDGHCVNAOIN-UHFFFAOYSA-L disodium;1-dodecoxydodecane;sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC SMVRDGHCVNAOIN-UHFFFAOYSA-L 0.000 claims description 3
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 235000010420 locust bean gum Nutrition 0.000 claims description 3
- 239000000711 locust bean gum Substances 0.000 claims description 3
- 235000010408 potassium alginate Nutrition 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 229940035044 sorbitan monolaurate Drugs 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 claims description 3
- 229920002907 Guar gum Polymers 0.000 claims description 2
- 235000010417 guar gum Nutrition 0.000 claims description 2
- 239000000665 guar gum Substances 0.000 claims description 2
- 229960002154 guar gum Drugs 0.000 claims description 2
- 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 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 238000004898 kneading Methods 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 36
- 238000009472 formulation Methods 0.000 description 16
- CZRCFAOMWRAFIC-UHFFFAOYSA-N 5-(tetradecyloxy)-2-furoic acid Chemical compound CCCCCCCCCCCCCCOC1=CC=C(C(O)=O)O1 CZRCFAOMWRAFIC-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 208000018747 cerebellar ataxia with neuropathy and bilateral vestibular areflexia syndrome Diseases 0.000 description 4
- 230000007717 exclusion Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004383 yellowing Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- 244000007835 Cyamopsis tetragonoloba Species 0.000 description 1
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 150000002680 magnesium Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 230000032258 transport Effects 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
- 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
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/169,831 US8133350B2 (en) | 2008-07-09 | 2008-07-09 | Deinking a cellulosic substrate using magnesium silicate |
| PCT/US2009/050093 WO2010006161A1 (en) | 2008-07-09 | 2009-07-09 | Deinking a cellulosic substrate using magnesium silicate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2011000287A true MX2011000287A (es) | 2011-03-02 |
Family
ID=41179148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2011000287A MX2011000287A (es) | 2008-07-09 | 2009-07-09 | Destintado de un sustrato celulósico utilizando silicato de magnesio. |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US8133350B2 (enExample) |
| EP (1) | EP2310568A1 (enExample) |
| JP (1) | JP5518060B2 (enExample) |
| KR (1) | KR20110039251A (enExample) |
| CN (1) | CN102084056B (enExample) |
| AR (1) | AR072733A1 (enExample) |
| CA (1) | CA2728401A1 (enExample) |
| CL (1) | CL2009001555A1 (enExample) |
| CO (1) | CO6341494A2 (enExample) |
| MX (1) | MX2011000287A (enExample) |
| TW (1) | TW201009163A (enExample) |
| WO (1) | WO2010006161A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8133351B2 (en) * | 2008-07-09 | 2012-03-13 | Nalco Company | Deinking a cellulosic substrate using magnesium hydroxide |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1138085A (en) * | 1911-11-27 | 1915-05-04 | Int Paper Co | Method of removing ink from paper-stock. |
| US2432333A (en) * | 1946-11-30 | 1947-12-09 | Newport Ind Inc | Process of increasing the rosin-to-fatty acid ratio in mixtures of rosin and fatty acids |
| DE3702978C1 (de) * | 1987-02-02 | 1988-06-30 | Gruenau Gmbh Chem Fab | Verfahren zum De-inken von bedrucktem Altpapier |
| DE3934893A1 (de) * | 1989-10-19 | 1991-04-25 | Gruenau Gmbh Chem Fab | Waessrige, erdalkaliseifen und/oder erdalkaliharzseifen enthaltende dispersionen zum deinken von bedruckten altpapieren |
| JP2887796B2 (ja) * | 1990-12-28 | 1999-04-26 | 三菱石油株式会社 | 古紙再生用脱墨剤 |
| US5340439A (en) * | 1992-08-06 | 1994-08-23 | International Paper Company | Method for removing ink from printed paper using agglomerating agent, followed by addition of talc |
| US5735940A (en) * | 1994-09-23 | 1998-04-07 | Coller; Miriam | Marking composition |
| GB9423454D0 (en) * | 1994-11-21 | 1995-01-11 | Allied Colloids Ltd | Deinking processes and novel polymers for use in these |
| US5601689A (en) * | 1995-02-27 | 1997-02-11 | Xerox Corporation | Deinking processes |
| DE69703351T2 (de) | 1996-06-20 | 2001-04-05 | High Point Chemical Corp., High Point | Verfahren zum deinken von altpapier |
| JP4255159B2 (ja) | 1999-03-15 | 2009-04-15 | 日本製紙株式会社 | 古紙の脱墨方法 |
| US20020121347A1 (en) * | 2000-12-21 | 2002-09-05 | Akzo Nobel N.V. | Chemical composition and process |
| JP3786195B2 (ja) | 2002-03-29 | 2006-06-14 | 王子製紙株式会社 | 古紙のパルプ化法 |
| US20040065419A1 (en) * | 2002-10-04 | 2004-04-08 | Vicente Lasmarias | Removal of contaminants from recycled paper fibers |
| JP4254346B2 (ja) * | 2003-05-27 | 2009-04-15 | 富士ゼロックス株式会社 | 記録用紙及びそれを用いた記録方法 |
| ATE495206T1 (de) * | 2003-11-20 | 2011-01-15 | Basf Se | Wasserlösliche copolymere von monoethylenisch ungesätti gten polyalkylenoxidmonomeren und mindestens ein stickstoffatom enthaltenden dipolaren monomeren |
| WO2006089395A1 (en) | 2005-02-25 | 2006-08-31 | Fpinnovations | Near-neutral deinking of recycled pulp using phosphines or phosphonium salts |
| US7604715B2 (en) * | 2005-11-17 | 2009-10-20 | Akzo Nobel N.V. | Papermaking process |
| US7862685B2 (en) * | 2006-01-09 | 2011-01-04 | Kemira Chemicals, Inc. | Method for deinking pulp using premixed hydrophobically modified calcium carbonate particles |
| US8052837B2 (en) * | 2006-06-12 | 2011-11-08 | Thiele Kaolin Company | Deinking of waste paper |
-
2008
- 2008-07-09 US US12/169,831 patent/US8133350B2/en active Active
-
2009
- 2009-07-08 TW TW98123030A patent/TW201009163A/zh unknown
- 2009-07-08 AR ARP090102607 patent/AR072733A1/es unknown
- 2009-07-08 CL CL2009001555A patent/CL2009001555A1/es unknown
- 2009-07-09 CN CN2009801260003A patent/CN102084056B/zh active Active
- 2009-07-09 JP JP2011517618A patent/JP5518060B2/ja active Active
- 2009-07-09 EP EP20090790217 patent/EP2310568A1/en not_active Withdrawn
- 2009-07-09 CA CA2728401A patent/CA2728401A1/en not_active Abandoned
- 2009-07-09 WO PCT/US2009/050093 patent/WO2010006161A1/en not_active Ceased
- 2009-07-09 KR KR20117000516A patent/KR20110039251A/ko not_active Ceased
- 2009-07-09 MX MX2011000287A patent/MX2011000287A/es active IP Right Grant
-
2011
- 2011-01-11 CO CO11002152A patent/CO6341494A2/es not_active Application Discontinuation
-
2012
- 2012-02-03 US US13/365,596 patent/US20120135906A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2728401A1 (en) | 2010-01-14 |
| KR20110039251A (ko) | 2011-04-15 |
| CL2009001555A1 (es) | 2010-07-02 |
| TW201009163A (en) | 2010-03-01 |
| US20100006242A1 (en) | 2010-01-14 |
| US8133350B2 (en) | 2012-03-13 |
| US20120135906A1 (en) | 2012-05-31 |
| CN102084056A (zh) | 2011-06-01 |
| EP2310568A1 (en) | 2011-04-20 |
| CN102084056B (zh) | 2013-10-23 |
| CO6341494A2 (es) | 2011-11-21 |
| AR072733A1 (es) | 2010-09-15 |
| WO2010006161A1 (en) | 2010-01-14 |
| JP5518060B2 (ja) | 2014-06-11 |
| JP2011527732A (ja) | 2011-11-04 |
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| US8133350B2 (en) | Deinking a cellulosic substrate using magnesium silicate | |
| US20100006244A1 (en) | Deinking a cellulosic substrate using an inorganic mineral | |
| US20020121347A1 (en) | Chemical composition and process | |
| JP2005089919A (ja) | 古紙パルプの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |