FI110791B - Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten - Google Patents
Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten Download PDFInfo
- Publication number
- FI110791B FI110791B FI962528A FI962528A FI110791B FI 110791 B FI110791 B FI 110791B FI 962528 A FI962528 A FI 962528A FI 962528 A FI962528 A FI 962528A FI 110791 B FI110791 B FI 110791B
- Authority
- FI
- Finland
- Prior art keywords
- silica
- lignin
- washing
- waste liquor
- grained
- Prior art date
Links
- 235000012239 silicon dioxide Nutrition 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 17
- 239000013078 crystal Substances 0.000 title claims description 10
- 238000011084 recovery Methods 0.000 title claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 107
- 239000000377 silicon dioxide Substances 0.000 claims description 52
- 229920005610 lignin Polymers 0.000 claims description 33
- 239000002699 waste material Substances 0.000 claims description 27
- 238000005406 washing Methods 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 14
- 238000001556 precipitation Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000011081 inoculation Methods 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 229910002026 crystalline silica Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 229930013930 alkaloid Natural products 0.000 claims description 2
- 150000003797 alkaloid derivatives Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000003113 alkalizing effect Effects 0.000 claims 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 claims 1
- 238000005470 impregnation Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000002002 slurry Substances 0.000 description 11
- 238000002425 crystallisation Methods 0.000 description 10
- 230000008025 crystallization Effects 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000010900 secondary nucleation Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000084978 Rena Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002351 wastewater 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
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C11/10—Concentrating spent liquor by evaporation
- D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
Landscapes
- Paper (AREA)
- Silicon Compounds (AREA)
- Treatment Of Sludge (AREA)
- Detergent Compositions (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0260893A AT401070B (de) | 1993-12-23 | 1993-12-23 | Verfahren zur gewinnung grobkörniger reiner kieselsäure |
| AT260893 | 1993-12-23 | ||
| PCT/AT1994/000202 WO1995017547A1 (de) | 1993-12-23 | 1994-12-22 | Verfahren zur gewinnung grobkörniger reiner kieselsäurekristalle |
| AT9400202 | 1994-12-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI962528A FI962528A (fi) | 1996-06-18 |
| FI962528A0 FI962528A0 (fi) | 1996-06-18 |
| FI110791B true FI110791B (fi) | 2003-03-31 |
Family
ID=3537315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI962528A FI110791B (fi) | 1993-12-23 | 1996-06-18 | Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5730838A (zh) |
| EP (1) | EP0736119B1 (zh) |
| JP (1) | JPH09506936A (zh) |
| CN (1) | CN1042359C (zh) |
| AT (1) | AT401070B (zh) |
| AU (1) | AU1267195A (zh) |
| BR (1) | BR9408498A (zh) |
| CA (1) | CA2179730A1 (zh) |
| DE (1) | DE59403484D1 (zh) |
| FI (1) | FI110791B (zh) |
| HU (1) | HU219547B (zh) |
| WO (1) | WO1995017547A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004073600A2 (en) * | 2003-02-18 | 2004-09-02 | The Registrar, Indian Institute Of Science | A novel process and appratus for the manufacture of precipitated silica from rice husk ash |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN154386B (zh) * | 1979-12-10 | 1984-10-20 | Dorr Oliver Inc | |
| US4331507A (en) * | 1979-12-10 | 1982-05-25 | Dorr-Oliver Incorporated | Desilication in alkaline pulp processes |
| DE3003090A1 (de) * | 1980-01-29 | 1981-08-13 | Debendra Kumar Ph.D. Athinä Misra | Verfahren zur entkieselung alkalischer ablaugen |
| US4504256A (en) * | 1981-03-09 | 1985-03-12 | Mitsuboshi Belting Ltd. | Variable V-belt |
| DE3208200A1 (de) * | 1982-03-06 | 1983-09-08 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen entfernung von kieselsaeure aus zellstoffablaugen |
| AT393284B (de) * | 1989-12-01 | 1991-09-25 | Waagner Biro Ag | Verfahren zur entkieselung der ablauge |
-
1993
- 1993-12-23 AT AT0260893A patent/AT401070B/de not_active IP Right Cessation
-
1994
- 1994-12-22 BR BR9408498A patent/BR9408498A/pt not_active Application Discontinuation
- 1994-12-22 HU HU9601493A patent/HU219547B/hu not_active IP Right Cessation
- 1994-12-22 CN CN94194634A patent/CN1042359C/zh not_active Expired - Fee Related
- 1994-12-22 EP EP95903701A patent/EP0736119B1/de not_active Expired - Lifetime
- 1994-12-22 WO PCT/AT1994/000202 patent/WO1995017547A1/de active IP Right Grant
- 1994-12-22 CA CA002179730A patent/CA2179730A1/en not_active Abandoned
- 1994-12-22 DE DE59403484T patent/DE59403484D1/de not_active Expired - Fee Related
- 1994-12-22 AU AU12671/95A patent/AU1267195A/en not_active Abandoned
- 1994-12-22 US US08/669,434 patent/US5730838A/en not_active Expired - Fee Related
- 1994-12-22 JP JP7517049A patent/JPH09506936A/ja active Pending
-
1996
- 1996-06-18 FI FI962528A patent/FI110791B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1139467A (zh) | 1997-01-01 |
| JPH09506936A (ja) | 1997-07-08 |
| AT401070B (de) | 1996-06-25 |
| CA2179730A1 (en) | 1995-06-29 |
| EP0736119A1 (de) | 1996-10-09 |
| ATA260893A (de) | 1995-10-15 |
| WO1995017547A1 (de) | 1995-06-29 |
| CN1042359C (zh) | 1999-03-03 |
| BR9408498A (pt) | 1997-08-26 |
| US5730838A (en) | 1998-03-24 |
| EP0736119B1 (de) | 1997-07-23 |
| DE59403484D1 (de) | 1997-09-04 |
| FI962528A (fi) | 1996-06-18 |
| HU9601493D0 (en) | 1996-07-29 |
| HU219547B (hu) | 2001-05-28 |
| HUT75968A (en) | 1997-05-28 |
| AU1267195A (en) | 1995-07-10 |
| FI962528A0 (fi) | 1996-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006078012A1 (ja) | 廃水及び汚泥の処理装置 | |
| CN101341098B (zh) | 工艺水再净的系统和方法 | |
| BR112014022916B1 (pt) | METODO PARA A SEPARAQAO DE LIGNINA A PARTIR DE LIXfVIA NEGRA | |
| JP2002506134A (ja) | プロセス水の処理方法 | |
| FI110791B (fi) | Menetelmä karkearakeisten puhtaiden piihappokiteiden talteenottoa varten | |
| US3533742A (en) | Production of titanium dioxide | |
| CN105111064B (zh) | 一种从涤纶碱减量废水中回收对苯二甲酸的方法及装置 | |
| US20120296066A1 (en) | Method Of Separating, From A Mixture Of Black Liquor And Tall Oil Soap Product, Concentrated Portions Of Tall Oil Soap Product And Arrangements For Said Concentrated Tall Oil Soap Product And/Or Separated Black Liquor | |
| EP3126569B1 (en) | Method for handling spent wash solution of a lignin-recovery process | |
| CA2153651A1 (en) | Separation process | |
| JP2003519205A (ja) | 精製したテレフタル酸（ｐｔａ）の回収方法 | |
| JP2003334584A (ja) | 廃水処理方法及び装置 | |
| CN113634113B (zh) | 一种用于解决脱硫石膏浆液脱水困难的方法 | |
| US5102426A (en) | Process for precipitating alumina from bayer process liquor | |
| JPH08502102A (ja) | 高い硫化度および低い硫化度をそれぞれ有するホワイトリカーを製造するためにグリーンリカーの硫化物含有量を分ける方法 | |
| US5158577A (en) | Process for precipitating alumina from Bayer process liquor | |
| SU1824377A1 (ru) | Способ извлечения лития из литийсодержащего раствора | |
| AU669445B2 (en) | Production of alumina | |
| US2592907A (en) | Cooking liquor treatment | |
| CN218115208U (zh) | 一种流化床气化黑水处理系统 | |
| US2050330A (en) | Manufacture of starch from corn | |
| Cocci et al. | Potato Wastewater-Treatment Plant Efficiency | |
| RU1805095C (ru) | Способ регенерации отработанной серной кислоты | |
| US2023999A (en) | Manufacture of starch | |
| CN119263319A (zh) | 拜耳法生产氧化铝系统中提高氧化铝种分分解率的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MA | Patent expired |