DE1046465B - Verfahren zur Entfernung von Kieselsaeure aus alkalischen Zellstoffablaugen - Google Patents
Verfahren zur Entfernung von Kieselsaeure aus alkalischen ZellstoffablaugenInfo
- Publication number
- DE1046465B DE1046465B DEJ11839A DEJ0011839A DE1046465B DE 1046465 B DE1046465 B DE 1046465B DE J11839 A DEJ11839 A DE J11839A DE J0011839 A DEJ0011839 A DE J0011839A DE 1046465 B DE1046465 B DE 1046465B
- Authority
- DE
- Germany
- Prior art keywords
- silica
- lime
- precipitation
- added
- stirring
- 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.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 48
- 238000000034 method Methods 0.000 title claims description 33
- 239000000377 silicon dioxide Substances 0.000 title claims description 24
- 239000002699 waste material Substances 0.000 title claims description 18
- 230000008569 process Effects 0.000 title claims description 14
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 17
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 17
- 239000004571 lime Substances 0.000 claims description 17
- 239000000292 calcium oxide Substances 0.000 claims description 15
- 235000012255 calcium oxide Nutrition 0.000 claims description 15
- 238000001556 precipitation Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 239000013543 active substance Substances 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000009993 causticizing Methods 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000000378 calcium silicate Substances 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 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
- 239000000203 mixture Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- -1 aliphatic alcohols Chemical class 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000273256 Phragmites communis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000209504 Poaceae 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
- 239000004115 Sodium Silicate Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 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
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229940024545 aluminum hydroxide Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229940087373 calcium oxide Drugs 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229960000869 magnesium oxide Drugs 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 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
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical class [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
-
- 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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL102430D NL102430C (enrdf_load_stackoverflow) | 1956-06-18 | ||
| NL218212D NL218212A (enrdf_load_stackoverflow) | 1956-06-18 | ||
| DEJ11839A DE1046465B (de) | 1956-06-18 | 1956-06-18 | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Zellstoffablaugen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEJ11839A DE1046465B (de) | 1956-06-18 | 1956-06-18 | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Zellstoffablaugen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1046465B true DE1046465B (de) | 1958-12-11 |
Family
ID=7199045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEJ11839A Pending DE1046465B (de) | 1956-06-18 | 1956-06-18 | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Zellstoffablaugen |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1046465B (enrdf_load_stackoverflow) |
| NL (2) | NL102430C (enrdf_load_stackoverflow) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE522730C (de) * | 1929-01-01 | 1931-04-14 | Carl G Schwalbe Dr | Verfahren zur Entkieselung alkalischer kieselsaeurehaltiger Zellstoffablaugen |
| DE523485C (de) * | 1928-03-23 | 1931-05-07 | Procedes Navarre Soc | Verfahren zur Wiedergewinnung des AEtznatrons aus den stark kieselsaeurehaltigen Endlaugen der Natronzellstoffabriken |
| DE544154C (de) * | 1930-01-27 | 1932-02-18 | Procedes Navarre Sa | Verfahren zur Faellung der in den Ablaugen der alkalischen Zellstoffkochverfahren enthaltenen Kieselsaeure |
| US1906102A (en) * | 1930-05-23 | 1933-04-25 | Rinman Erik Ludvig | Method of alkalizing the waste liquors from the soda or sulphate pulp manufacture for the purpose of making them suitable for dry distillation |
| GB393962A (en) * | 1931-09-19 | 1933-06-12 | Erik Ludvig Rinman | Method of relieving waste liquors from the soda or sulphate pulp manufacture of silica |
| US2628155A (en) * | 1948-12-20 | 1953-02-10 | Gruen Bengt Herman Emanuel | Method for the recovery of spent liquors from the cooking of cellulose from raw material containing silica |
| FR1029169A (fr) * | 1950-12-06 | 1953-06-01 | Perfectionnements à la régénération des liqueurs résiduaires de papeteries |
-
0
- NL NL218212D patent/NL218212A/xx unknown
- NL NL102430D patent/NL102430C/xx active
-
1956
- 1956-06-18 DE DEJ11839A patent/DE1046465B/de active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE523485C (de) * | 1928-03-23 | 1931-05-07 | Procedes Navarre Soc | Verfahren zur Wiedergewinnung des AEtznatrons aus den stark kieselsaeurehaltigen Endlaugen der Natronzellstoffabriken |
| DE522730C (de) * | 1929-01-01 | 1931-04-14 | Carl G Schwalbe Dr | Verfahren zur Entkieselung alkalischer kieselsaeurehaltiger Zellstoffablaugen |
| DE544154C (de) * | 1930-01-27 | 1932-02-18 | Procedes Navarre Sa | Verfahren zur Faellung der in den Ablaugen der alkalischen Zellstoffkochverfahren enthaltenen Kieselsaeure |
| US1906102A (en) * | 1930-05-23 | 1933-04-25 | Rinman Erik Ludvig | Method of alkalizing the waste liquors from the soda or sulphate pulp manufacture for the purpose of making them suitable for dry distillation |
| GB393962A (en) * | 1931-09-19 | 1933-06-12 | Erik Ludvig Rinman | Method of relieving waste liquors from the soda or sulphate pulp manufacture of silica |
| US2628155A (en) * | 1948-12-20 | 1953-02-10 | Gruen Bengt Herman Emanuel | Method for the recovery of spent liquors from the cooking of cellulose from raw material containing silica |
| FR1029169A (fr) * | 1950-12-06 | 1953-06-01 | Perfectionnements à la régénération des liqueurs résiduaires de papeteries |
Also Published As
| Publication number | Publication date |
|---|---|
| NL102430C (enrdf_load_stackoverflow) | 1900-01-01 |
| NL218212A (enrdf_load_stackoverflow) | 1900-01-01 |
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