JPS6364559B2 - - Google Patents
Info
- Publication number
- JPS6364559B2 JPS6364559B2 JP55174471A JP17447180A JPS6364559B2 JP S6364559 B2 JPS6364559 B2 JP S6364559B2 JP 55174471 A JP55174471 A JP 55174471A JP 17447180 A JP17447180 A JP 17447180A JP S6364559 B2 JPS6364559 B2 JP S6364559B2
- Authority
- JP
- Japan
- Prior art keywords
- liquor
- black liquor
- silica
- black
- pulp
- 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.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 79
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 40
- 229910001570 bauxite Inorganic materials 0.000 claims description 39
- 239000000377 silicon dioxide Substances 0.000 claims description 38
- 230000008569 process Effects 0.000 claims description 21
- 238000010411 cooking Methods 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 14
- 230000008020 evaporation Effects 0.000 claims description 14
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052665 sodalite Inorganic materials 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 7
- 239000008188 pellet Substances 0.000 claims description 6
- 238000004537 pulping Methods 0.000 claims description 6
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 5
- 150000004684 trihydrates Chemical class 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 241000565357 Fraxinus nigra Species 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000013067 intermediate product Substances 0.000 claims 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 16
- 238000011084 recovery Methods 0.000 description 16
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 15
- 235000011941 Tilia x europaea Nutrition 0.000 description 15
- 239000004571 lime Substances 0.000 description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 13
- 235000011121 sodium hydroxide Nutrition 0.000 description 13
- 238000009993 causticizing Methods 0.000 description 12
- 241000609240 Ambelania acida Species 0.000 description 11
- 239000010905 bagasse Substances 0.000 description 11
- 239000002023 wood Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010025 steaming Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- 229910052905 tridymite Inorganic materials 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000378 calcium silicate Substances 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000004682 monohydrates Chemical class 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 240000000111 Saccharum officinarum Species 0.000 description 2
- 235000007201 Saccharum officinarum Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010903 husk Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- -1 esparto Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008719 thickening Effects 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10146879A | 1979-12-10 | 1979-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5696983A JPS5696983A (en) | 1981-08-05 |
| JPS6364559B2 true JPS6364559B2 (de) | 1988-12-12 |
Family
ID=22284815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17447180A Granted JPS5696983A (en) | 1979-12-10 | 1980-12-10 | Silica removal in alkaline pulp making method |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5696983A (de) |
| AU (1) | AU539450B2 (de) |
| DE (1) | DE3045526A1 (de) |
| EG (1) | EG14460A (de) |
| ES (2) | ES8106950A1 (de) |
| GB (1) | GB2065188B (de) |
| IN (1) | IN154386B (de) |
| MX (1) | MX155270A (de) |
| PH (1) | PH17804A (de) |
| ZA (1) | ZA805709B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2118223A (en) * | 1982-03-23 | 1983-10-26 | Mahindra Kumar Makhija | Pulp manufacture |
| AT401070B (de) * | 1993-12-23 | 1996-06-25 | Austrian Energy & Environment | Verfahren zur gewinnung grobkörniger reiner kieselsäure |
| JP4663815B1 (ja) * | 2010-03-31 | 2011-04-06 | 日本製紙株式会社 | 炭酸カルシウムの製造方法 |
| JP4663816B2 (ja) * | 2009-07-08 | 2011-04-06 | 日本製紙株式会社 | ホタテ貝殻焼成物を用いる苛性化炭酸カルシウムの製造方法 |
| WO2011004855A1 (ja) * | 2009-07-08 | 2011-01-13 | 日本製紙株式会社 | 貝殻焼成物を用いる苛性化炭酸カルシウムの製造方法 |
| EP2753750B1 (de) * | 2011-09-05 | 2019-03-06 | Stora Enso Oyj | Verfahren zur behandlung von hartholzschwarzlauge und nach dem verfahren behandelte hartholzschwarzlauge |
| JP2013188172A (ja) * | 2012-03-14 | 2013-09-26 | Showa Chemical Industry Co Ltd | 育苗マット |
| SE540305C2 (en) * | 2017-02-07 | 2018-06-05 | Valmet Oy | System and method for silica removal in a pulping process |
-
1980
- 1980-05-30 IN IN400/DEL/80A patent/IN154386B/en unknown
- 1980-09-10 AU AU62192/80A patent/AU539450B2/en not_active Ceased
- 1980-09-12 GB GB8029538A patent/GB2065188B/en not_active Expired
- 1980-09-16 ZA ZA00805709A patent/ZA805709B/xx unknown
- 1980-09-24 PH PH24619A patent/PH17804A/en unknown
- 1980-09-30 ES ES495480A patent/ES8106950A1/es not_active Expired
- 1980-10-01 MX MX184167A patent/MX155270A/es unknown
- 1980-10-08 EG EG617/80A patent/EG14460A/xx active
- 1980-12-03 DE DE19803045526 patent/DE3045526A1/de not_active Withdrawn
- 1980-12-10 JP JP17447180A patent/JPS5696983A/ja active Granted
-
1981
- 1981-03-05 ES ES500104A patent/ES500104A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2065188B (en) | 1984-05-16 |
| GB2065188A (en) | 1981-06-24 |
| ES495480A0 (es) | 1981-09-01 |
| DE3045526A1 (de) | 1981-09-24 |
| ES8202081A1 (es) | 1982-01-01 |
| ES8106950A1 (es) | 1981-09-01 |
| IN154386B (de) | 1984-10-20 |
| JPS5696983A (en) | 1981-08-05 |
| AU539450B2 (en) | 1984-09-27 |
| ES500104A0 (es) | 1982-01-01 |
| AU6219280A (en) | 1981-06-18 |
| EG14460A (en) | 1984-03-31 |
| ZA805709B (en) | 1982-04-28 |
| PH17804A (en) | 1984-12-13 |
| MX155270A (es) | 1988-02-12 |
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