DE2322436A1 - Verfahren zur behandlung alkalischer kraft-kochablaugen - Google Patents
Verfahren zur behandlung alkalischer kraft-kochablaugenInfo
- Publication number
- DE2322436A1 DE2322436A1 DE19732322436 DE2322436A DE2322436A1 DE 2322436 A1 DE2322436 A1 DE 2322436A1 DE 19732322436 DE19732322436 DE 19732322436 DE 2322436 A DE2322436 A DE 2322436A DE 2322436 A1 DE2322436 A1 DE 2322436A1
- Authority
- DE
- Germany
- Prior art keywords
- coke
- zone
- waste liquors
- liquor
- added
- 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
- 238000010411 cooking Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 14
- 239000000571 coke Substances 0.000 claims description 64
- 239000007789 gas Substances 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 16
- 238000004939 coking Methods 0.000 claims description 15
- 239000011734 sodium Substances 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000002655 kraft paper Substances 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 3
- 238000002474 experimental method Methods 0.000 description 10
- 239000007787 solid Substances 0.000 description 7
- 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 description 6
- 239000000706 filtrate Substances 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002898 organic sulfur compounds Chemical class 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Paper (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2350673A GB1396649A (en) | 1973-05-17 | 1973-05-17 | Coking of waste kraft pulping liquors at lowered ph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2322436A1 true DE2322436A1 (de) | 1974-11-21 |
Family
ID=10196724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732322436 Pending DE2322436A1 (de) | 1973-05-17 | 1973-05-04 | Verfahren zur behandlung alkalischer kraft-kochablaugen |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS50104A (enExample) |
| BE (1) | BE801022A (enExample) |
| DE (1) | DE2322436A1 (enExample) |
| FR (1) | FR2233439B1 (enExample) |
| GB (1) | GB1396649A (enExample) |
| NL (1) | NL7307519A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426768A1 (fr) * | 1978-05-22 | 1979-12-21 | St Regis Paper Co | Procede perfectionne de pyrolyse de lessives usagees provenant de la fabrication de pates a papier |
| FR2657629B1 (fr) * | 1990-02-01 | 1992-05-15 | Electricite De France | Dispositif de rechauffage en continu des solutions aqueuses utilisees dans les installations de fabrication des pates a papier. |
| CN103510418B (zh) | 2012-06-25 | 2016-03-30 | 北京英力生科新材料技术有限公司 | 一种无黑液化学制浆工艺 |
-
1973
- 1973-05-04 DE DE19732322436 patent/DE2322436A1/de active Pending
- 1973-05-16 JP JP5373673A patent/JPS50104A/ja active Pending
- 1973-05-17 GB GB2350673A patent/GB1396649A/en not_active Expired
- 1973-05-30 NL NL7307519A patent/NL7307519A/xx unknown
- 1973-06-15 BE BE132365A patent/BE801022A/xx unknown
- 1973-06-15 FR FR7321836A patent/FR2233439B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE801022A (fr) | 1973-12-17 |
| NL7307519A (enExample) | 1974-12-03 |
| JPS50104A (enExample) | 1975-01-06 |
| FR2233439B1 (enExample) | 1977-02-11 |
| GB1396649A (en) | 1975-06-04 |
| FR2233439A1 (enExample) | 1975-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| OHJ | Non-payment of the annual fee |