SU405992A1 - Способ регенерации сульфатного «черного» щелока - Google Patents
Способ регенерации сульфатного «черного» щелокаInfo
- Publication number
- SU405992A1 SU405992A1 SU1718584A SU1718584A SU405992A1 SU 405992 A1 SU405992 A1 SU 405992A1 SU 1718584 A SU1718584 A SU 1718584A SU 1718584 A SU1718584 A SU 1718584A SU 405992 A1 SU405992 A1 SU 405992A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- sodium
- liquor
- sulphate
- black
- sulfate
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title description 10
- 238000000034 method Methods 0.000 title description 7
- 230000001105 regulatory effect Effects 0.000 title 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 9
- 229910021653 sulphate ion Inorganic materials 0.000 description 9
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 5
- 229910052979 sodium sulfide Inorganic materials 0.000 description 5
- 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 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000009993 causticizing Methods 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000126 substance 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
- D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents
Landscapes
- Paper (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1718584A SU405992A1 (ru) | 1971-11-29 | 1971-11-29 | Способ регенерации сульфатного «черного» щелока |
| CA155,311A CA980064A (en) | 1971-11-29 | 1972-10-31 | Method of preparing cooking liquor for the sulphate pulping process |
| CS810572A CS166941B1 (2) | 1971-11-29 | 1972-11-28 | |
| FR7242455A FR2163151A5 (en) | 1971-11-29 | 1972-11-29 | Cooked lye prodn from wood extract - for use in mfr of sulphate paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1718584A SU405992A1 (ru) | 1971-11-29 | 1971-11-29 | Способ регенерации сульфатного «черного» щелока |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU405992A1 true SU405992A1 (ru) | 1973-11-05 |
Family
ID=20494286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1718584A SU405992A1 (ru) | 1971-11-29 | 1971-11-29 | Способ регенерации сульфатного «черного» щелока |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA980064A (2) |
| CS (1) | CS166941B1 (2) |
| FR (1) | FR2163151A5 (2) |
| SU (1) | SU405992A1 (2) |
-
1971
- 1971-11-29 SU SU1718584A patent/SU405992A1/ru active
-
1972
- 1972-10-31 CA CA155,311A patent/CA980064A/en not_active Expired
- 1972-11-28 CS CS810572A patent/CS166941B1/cs unknown
- 1972-11-29 FR FR7242455A patent/FR2163151A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CS166941B1 (2) | 1976-03-29 |
| FR2163151A5 (en) | 1973-07-20 |
| CA980064A (en) | 1975-12-23 |
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