CN1436894A - 改进的造纸黑液碱回收新工艺 - Google Patents
改进的造纸黑液碱回收新工艺 Download PDFInfo
- Publication number
- CN1436894A CN1436894A CN02104836A CN02104836A CN1436894A CN 1436894 A CN1436894 A CN 1436894A CN 02104836 A CN02104836 A CN 02104836A CN 02104836 A CN02104836 A CN 02104836A CN 1436894 A CN1436894 A CN 1436894A
- Authority
- CN
- China
- Prior art keywords
- causticization
- green liquor
- calcium carbonate
- lime
- liquor
- Prior art date
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000003513 alkali Substances 0.000 title claims abstract description 53
- 230000008569 process Effects 0.000 title claims abstract description 40
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 136
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 82
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 82
- 239000004571 lime Substances 0.000 claims abstract description 82
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 59
- 239000002245 particle Substances 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000009993 causticizing Methods 0.000 claims abstract description 13
- 230000007935 neutral effect Effects 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 60
- 238000006243 chemical reaction Methods 0.000 claims description 52
- 239000008267 milk Substances 0.000 claims description 36
- 210000004080 milk Anatomy 0.000 claims description 36
- 235000013336 milk Nutrition 0.000 claims description 36
- 239000007787 solid Substances 0.000 claims description 32
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002893 slag Substances 0.000 claims description 14
- 239000011575 calcium Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 239000012629 purifying agent Substances 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
- 238000004513 sizing Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 239000001110 calcium chloride Substances 0.000 claims description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000005352 clarification Methods 0.000 claims description 4
- 238000010411 cooking Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 159000000007 calcium salts Chemical class 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims 3
- 239000012670 alkaline solution Substances 0.000 claims 2
- 238000002156 mixing Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 238000010422 painting Methods 0.000 abstract 1
- 235000010216 calcium carbonate Nutrition 0.000 description 40
- 238000011084 recovery Methods 0.000 description 35
- 235000011121 sodium hydroxide Nutrition 0.000 description 17
- 239000011734 sodium Substances 0.000 description 14
- 239000000126 substance Substances 0.000 description 12
- 238000011160 research Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000010902 straw Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 241000609240 Ambelania acida Species 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 239000010905 bagasse Substances 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000004537 pulping Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013064 chemical raw material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- -1 CaCl2 Chemical class 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Inorganic materials [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 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 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (3)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021048363A CN1225586C (zh) | 2002-02-09 | 2002-02-09 | 改进的造纸黑液碱回收新工艺 |
AT02719627T ATE529567T1 (de) | 2002-02-09 | 2002-04-25 | Verfahren zur rückgewinnung von alkali aus der schwarzlauge der papierherstellung |
AU2002250794A AU2002250794B2 (en) | 2002-02-09 | 2002-04-25 | A process of recovering alkali from black liquor of papermaking |
PCT/CN2002/000290 WO2003066961A1 (fr) | 2002-02-09 | 2002-04-25 | Procede de recuperation d'alcalis a partir de la liqueur noire de la fabrication du papier |
CA002475610A CA2475610C (en) | 2002-02-09 | 2002-04-25 | Process for causticizing green liquor in chemical recovery from black liquor in alkaline pulping |
EP02719627A EP1482087B1 (en) | 2002-02-09 | 2002-04-25 | A process of recovering alkali from black liquor of papermaking |
US10/503,812 US7291245B2 (en) | 2002-02-09 | 2002-04-25 | Process for causticizing green liquor in chemical recovery from black liquor in alkaline pulping |
RU2004127129/12A RU2279501C2 (ru) | 2002-02-09 | 2002-04-25 | Способ рекуперации химических веществ из черного щелока в процессе натронной варки целлюлозы и очищающее средство |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021048363A CN1225586C (zh) | 2002-02-09 | 2002-02-09 | 改进的造纸黑液碱回收新工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1436894A true CN1436894A (zh) | 2003-08-20 |
CN1225586C CN1225586C (zh) | 2005-11-02 |
Family
ID=27628017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021048363A Expired - Fee Related CN1225586C (zh) | 2002-02-09 | 2002-02-09 | 改进的造纸黑液碱回收新工艺 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7291245B2 (zh) |
EP (1) | EP1482087B1 (zh) |
CN (1) | CN1225586C (zh) |
AT (1) | ATE529567T1 (zh) |
AU (1) | AU2002250794B2 (zh) |
CA (1) | CA2475610C (zh) |
RU (1) | RU2279501C2 (zh) |
WO (1) | WO2003066961A1 (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101391794B (zh) * | 2008-10-24 | 2010-06-09 | 魏湘 | 利用造纸工业碱回收固体白泥制备轻质碳酸钙的方法 |
CN101020182B (zh) * | 2006-02-16 | 2010-09-08 | 王梅林 | 造纸工业碱回收固体废渣综合利用的方法 |
CN102303885A (zh) * | 2011-08-23 | 2012-01-04 | 陕西科技大学 | 一种草类制浆碱回收绿液精制白泥碳酸钙的方法 |
CN102653411A (zh) * | 2012-05-16 | 2012-09-05 | 山东山大华特科技股份有限公司 | 碱回收白泥制备轻质碳酸钙的工艺 |
CN102659161A (zh) * | 2012-05-08 | 2012-09-12 | 山东轻工业学院 | 一种利用木浆硫酸盐法制浆碱回收绿液制备白泥碳酸钙的工艺 |
CN102877349A (zh) * | 2012-09-29 | 2013-01-16 | 广西大学 | 一种制浆黑液酸化滤液的循环处理方法 |
CN102976387A (zh) * | 2012-12-07 | 2013-03-20 | 陕西科技大学 | 改进的造纸填料用白泥碳酸钙制备工艺 |
CN103303956A (zh) * | 2012-09-28 | 2013-09-18 | 湖南文理学院 | 一种造纸碱回收制备沉淀碳酸钙的苛化方法及工艺装置 |
CN103708522A (zh) * | 2014-01-03 | 2014-04-09 | 三三环保科技(北京)有限公司 | 利用碱回收绿液进行苛化反应生产高品质碳酸钙的方法 |
CN104066885A (zh) * | 2011-11-04 | 2014-09-24 | 维美德公司 | 苛化工艺制备白液的方法 |
CN104556183A (zh) * | 2013-10-17 | 2015-04-29 | 中国制浆造纸研究院 | 改进的草浆绿液苛化制备白泥碳酸钙填料的工艺 |
CN109650433A (zh) * | 2019-02-13 | 2019-04-19 | 广东鼎丰纸业有限公司 | 制浆碱回收绿液净化制造高纯碳酸钙的方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2583019C2 (ru) * | 2010-08-24 | 2016-04-27 | Спэшэлти Минералс (Мичиган) Инк. | Повышение яркости продукта каустизации извести посредством предварительного гашения |
CN102718373A (zh) * | 2011-11-01 | 2012-10-10 | 山东大学 | 造纸白泥的处理工艺及其在脱除燃煤锅炉尾部烟气中co2的应用 |
CN103061187B (zh) * | 2012-12-17 | 2014-12-03 | 陕西科技大学 | 硫酸盐法碱回收白泥精制碳酸钙填料的工艺 |
CN103669070A (zh) * | 2013-11-21 | 2014-03-26 | 青岛佰众化工技术有限公司 | 一种棉浆粕的碱回收工艺 |
CN104028038B (zh) * | 2014-06-12 | 2016-08-24 | 东莞玖龙纸业有限公司 | 上料站胶料过滤的工艺方法及实现该工艺方法的装置 |
CN105113310B (zh) * | 2015-07-30 | 2016-12-07 | 齐鲁工业大学 | 一种从棉短绒黑液中回收糖和活性碱的方法 |
EP3966165A4 (en) * | 2019-04-29 | 2023-06-14 | FPInnovations | METHOD FOR RECOVERING ALKALI FROM MATERIAL CONTAINING METALLIC OXIDE/HYDROXIDE |
CA3152745A1 (en) * | 2019-10-22 | 2021-04-29 | Sherman Cox | Method of making purified precipitated calcium carbonate from lime mud |
US20230228036A1 (en) * | 2020-06-12 | 2023-07-20 | Specialty Minerals (Michigan) Inc. | Surface mineralized organic fibers and methods of making the same |
CN116375072B (zh) * | 2023-04-11 | 2024-02-27 | 重庆碳福森环保科技有限公司 | 一种助剂法生产改性碳酸钙的方法 |
CN117534105A (zh) * | 2023-10-31 | 2024-02-09 | 上海达誉创新材料科技有限公司 | 一种利用造纸白泥生产高品质轻质碳酸钙的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1587679A (en) * | 1924-01-17 | 1926-06-08 | Brown Co | Process of recovering calcium carbonate from caustic liquors |
US2560016A (en) * | 1948-01-05 | 1951-07-10 | Traylor Engineering & Mfg Comp | Method of and means for producing milk of lime and for causticizing green liquor |
US4397248A (en) * | 1981-05-26 | 1983-08-09 | Combustion Engineering, Inc. | Coal beneficiation/combustion system |
SE456254B (sv) * | 1987-02-12 | 1988-09-19 | Korsnes Ab | Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning |
CN1022557C (zh) | 1989-03-11 | 1993-10-27 | 河南大学 | 改进的苛化法制烧碱工艺 |
SE500660C2 (sv) | 1992-12-03 | 1994-08-01 | Mo Och Domsjoe Ab | Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker |
CN1108328A (zh) * | 1994-02-18 | 1995-09-13 | 陈鸣钊 | 造纸黑液碱回收常温苛化法 |
WO1997003245A1 (en) * | 1995-07-11 | 1997-01-30 | Ahlstrom Machinery Oy | Method of separating impurities from lime and lime sludge and a method of causticizing green liquor containing impurities, such as silicon, in two stages |
EP0953544B1 (en) * | 1996-12-09 | 2006-10-18 | Nippon Paper Industries Co., Ltd. | Processes for preparing calcium carbonate |
CN1084413C (zh) | 1998-06-14 | 2002-05-08 | 艾天召 | 造纸黑液碱回收绿液苛化新工艺 |
-
2002
- 2002-02-09 CN CNB021048363A patent/CN1225586C/zh not_active Expired - Fee Related
- 2002-04-25 AT AT02719627T patent/ATE529567T1/de not_active IP Right Cessation
- 2002-04-25 US US10/503,812 patent/US7291245B2/en not_active Expired - Fee Related
- 2002-04-25 RU RU2004127129/12A patent/RU2279501C2/ru not_active IP Right Cessation
- 2002-04-25 EP EP02719627A patent/EP1482087B1/en not_active Expired - Lifetime
- 2002-04-25 AU AU2002250794A patent/AU2002250794B2/en not_active Ceased
- 2002-04-25 CA CA002475610A patent/CA2475610C/en not_active Expired - Lifetime
- 2002-04-25 WO PCT/CN2002/000290 patent/WO2003066961A1/zh active IP Right Grant
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101020182B (zh) * | 2006-02-16 | 2010-09-08 | 王梅林 | 造纸工业碱回收固体废渣综合利用的方法 |
CN101391794B (zh) * | 2008-10-24 | 2010-06-09 | 魏湘 | 利用造纸工业碱回收固体白泥制备轻质碳酸钙的方法 |
CN102303885A (zh) * | 2011-08-23 | 2012-01-04 | 陕西科技大学 | 一种草类制浆碱回收绿液精制白泥碳酸钙的方法 |
CN104066885B (zh) * | 2011-11-04 | 2015-10-21 | 维美德公司 | 苛化工艺制备白液的方法 |
CN104066885A (zh) * | 2011-11-04 | 2014-09-24 | 维美德公司 | 苛化工艺制备白液的方法 |
CN102659161A (zh) * | 2012-05-08 | 2012-09-12 | 山东轻工业学院 | 一种利用木浆硫酸盐法制浆碱回收绿液制备白泥碳酸钙的工艺 |
CN102653411A (zh) * | 2012-05-16 | 2012-09-05 | 山东山大华特科技股份有限公司 | 碱回收白泥制备轻质碳酸钙的工艺 |
CN103303956B (zh) * | 2012-09-28 | 2015-08-26 | 湖南文理学院 | 一种造纸碱回收制备沉淀碳酸钙的苛化方法及工艺装置 |
CN103303956A (zh) * | 2012-09-28 | 2013-09-18 | 湖南文理学院 | 一种造纸碱回收制备沉淀碳酸钙的苛化方法及工艺装置 |
CN102877349B (zh) * | 2012-09-29 | 2014-10-15 | 广西大学 | 一种制浆黑液酸化滤液的循环处理方法 |
CN102877349A (zh) * | 2012-09-29 | 2013-01-16 | 广西大学 | 一种制浆黑液酸化滤液的循环处理方法 |
CN102976387A (zh) * | 2012-12-07 | 2013-03-20 | 陕西科技大学 | 改进的造纸填料用白泥碳酸钙制备工艺 |
CN102976387B (zh) * | 2012-12-07 | 2014-09-03 | 陕西科技大学 | 改进的造纸填料用白泥碳酸钙制备工艺 |
CN104556183A (zh) * | 2013-10-17 | 2015-04-29 | 中国制浆造纸研究院 | 改进的草浆绿液苛化制备白泥碳酸钙填料的工艺 |
CN104556183B (zh) * | 2013-10-17 | 2016-08-31 | 中国制浆造纸研究院 | 改进的草浆绿液苛化制备白泥碳酸钙填料的工艺 |
CN103708522A (zh) * | 2014-01-03 | 2014-04-09 | 三三环保科技(北京)有限公司 | 利用碱回收绿液进行苛化反应生产高品质碳酸钙的方法 |
CN109650433A (zh) * | 2019-02-13 | 2019-04-19 | 广东鼎丰纸业有限公司 | 制浆碱回收绿液净化制造高纯碳酸钙的方法 |
CN109650433B (zh) * | 2019-02-13 | 2019-12-03 | 广东鼎丰纸业有限公司 | 制浆碱回收绿液净化制造高纯碳酸钙的方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2002250794A1 (en) | 2003-09-02 |
EP1482087B1 (en) | 2011-10-19 |
AU2002250794B2 (en) | 2006-10-12 |
ATE529567T1 (de) | 2011-11-15 |
EP1482087A1 (en) | 2004-12-01 |
US20050199358A1 (en) | 2005-09-15 |
EP1482087A4 (en) | 2007-02-21 |
WO2003066961A1 (fr) | 2003-08-14 |
RU2279501C2 (ru) | 2006-07-10 |
RU2004127129A (ru) | 2006-02-10 |
CN1225586C (zh) | 2005-11-02 |
CA2475610A1 (en) | 2003-08-14 |
US7291245B2 (en) | 2007-11-06 |
CA2475610C (en) | 2009-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1436894A (zh) | 改进的造纸黑液碱回收新工艺 | |
CN1114505C (zh) | 分离细分散的矿物混合物的方法 | |
CN101391794B (zh) | 利用造纸工业碱回收固体白泥制备轻质碳酸钙的方法 | |
CN101020182B (zh) | 造纸工业碱回收固体废渣综合利用的方法 | |
CN102976387B (zh) | 改进的造纸填料用白泥碳酸钙制备工艺 | |
CN1084413C (zh) | 造纸黑液碱回收绿液苛化新工艺 | |
CN1641100A (zh) | 一种绿液清洁苛化回收超细碳酸钙的方法 | |
US20220396493A1 (en) | Method of making purified precipitated calcium carbonate from lime mud | |
CN1095444C (zh) | 强化烧结法氧化铝生产工艺 | |
CN1041529C (zh) | 重晶石粉体微细化和漂白方法 | |
CN1249176C (zh) | 碳酸钙的提纯增白方法 | |
CN113697831A (zh) | 高钠镁比工业废水净化除镁及制备氢氧化镁阻燃剂方法 | |
CN109467112A (zh) | 一种文石型晶种及文石型轻质碳酸钙及其制备方法 | |
CN1238085C (zh) | 一种制造氧化铝提炼厂用的助滤剂的改进方法 | |
CN1554588A (zh) | 利用氯碱盐泥生产超细硫酸钡及碳酸钙的工艺 | |
CN105271290A (zh) | 一种利用高铝粉煤灰制备方沸石的方法 | |
CN108330729B (zh) | 一种白泥填料及其在文化纸机中的应用 | |
CN100579909C (zh) | 造纸绿液苛化制备球形碳酸钙的方法 | |
CN1349861A (zh) | 白泥回收工艺 | |
CN1320205C (zh) | 白泥回收高白度造纸填料轻质碳酸钙工艺 | |
WO2020011952A1 (en) | Process for obtaining size-calibrated tri-calcium aluminate particles and use of such particles in a process of alumina refining | |
CN1141983A (zh) | 碱法造纸黑液的综合治理方法 | |
CN1335905A (zh) | 减少绿液中硅含量的方法 | |
CN100427678C (zh) | 造纸绿液的净化处理方法和所获得的白泥的应用 | |
CN101792155A (zh) | 一种用电石渣生产低浓度氢氧化钠溶液和碳酸钙的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: AI TIANZHAO DONG XUEZHI Effective date: 20041001 Owner name: AI DONG Free format text: FORMER OWNER: AI TIANZHAO |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20041001 Address after: 475001 Henan province city Minglun Street No. 85 Applicant after: Ai Dong Co-applicant after: Ai Tianzhao Co-applicant after: Dong Xuezhi Address before: 475001 Henan kaifengd Minglun Street No. 85 Applicant before: Ai Tianzhao |
|
ASS | Succession or assignment of patent right |
Owner name: DONG XUESHENG AI TIANZHAO DONG XUEZHI Free format text: FORMER OWNER: AI TIANZHAO DONG XUEZHI Effective date: 20050318 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20050318 Address after: 475001 Henan province city Minglun Street No. 85 Applicant after: Ai Dong Co-applicant after: Dong Xuesheng Co-applicant after: Ai Tianzhao Co-applicant after: Dong Xuezhi Address before: 475001 Henan province city Minglun Street No. 85 Applicant before: Ai Dong Co-applicant before: Ai Tianzhao Co-applicant before: Dong Xuezhi |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051102 Termination date: 20170209 |
|
CF01 | Termination of patent right due to non-payment of annual fee |