GB1354455A - Methods of purifying effluents from the manufacture and bleaching of wood pulp - Google Patents
Methods of purifying effluents from the manufacture and bleaching of wood pulpInfo
- Publication number
- GB1354455A GB1354455A GB5016672A GB5016672A GB1354455A GB 1354455 A GB1354455 A GB 1354455A GB 5016672 A GB5016672 A GB 5016672A GB 5016672 A GB5016672 A GB 5016672A GB 1354455 A GB1354455 A GB 1354455A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flocculated
- wood pulp
- waters
- aluminium sulphate
- solution
- 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
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000004061 bleaching Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000001164 aluminium sulphate Substances 0.000 abstract 4
- 235000011128 aluminium sulphate Nutrition 0.000 abstract 4
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 abstract 4
- 239000007787 solid Substances 0.000 abstract 3
- 239000002351 wastewater Substances 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 2
- 239000004571 lime Substances 0.000 abstract 2
- 239000003643 water by type Substances 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7139326A FR2159560A5 (enrdf_load_stackoverflow) | 1971-11-03 | 1971-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1354455A true GB1354455A (en) | 1974-06-05 |
Family
ID=9085214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5016672A Expired GB1354455A (en) | 1971-11-03 | 1972-10-31 | Methods of purifying effluents from the manufacture and bleaching of wood pulp |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5539679B2 (enrdf_load_stackoverflow) |
| CA (1) | CA987460A (enrdf_load_stackoverflow) |
| ES (1) | ES408119A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2159560A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1354455A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999053133A1 (en) * | 1998-04-08 | 1999-10-21 | Kemira Kemi Ab | Treatment of filtrates from peroxide bleaching of pulp |
| WO2001073195A1 (en) * | 2000-03-24 | 2001-10-04 | Kemira Kemi Ab | Treatment of bleach plant filtrates |
| WO2017077195A1 (en) * | 2015-11-04 | 2017-05-11 | Kemira Oyj | Method for optimising material recovery in a chemical pulping process |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50159143A (enrdf_load_stackoverflow) * | 1974-06-13 | 1975-12-23 | ||
| JPS51116058A (en) * | 1975-04-04 | 1976-10-13 | Toyo Pulp Kk | Method of treating sludge released from pulp plants |
| JPS55137286A (en) * | 1979-04-05 | 1980-10-25 | Kogyo Gijutsuin | Magnesium base pulping method |
| JPS5844795B2 (ja) * | 1979-04-05 | 1983-10-05 | 工業技術院長 | ナトリウムベ−スパルプ化法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339389A (en) * | 1976-09-22 | 1978-04-11 | Sumitomo Chem Co Ltd | Preparation of polymer emulsion |
-
1971
- 1971-11-03 FR FR7139326A patent/FR2159560A5/fr not_active Expired
-
1972
- 1972-10-30 ES ES72408119A patent/ES408119A1/es not_active Expired
- 1972-10-31 JP JP10937672A patent/JPS5539679B2/ja not_active Expired
- 1972-10-31 GB GB5016672A patent/GB1354455A/en not_active Expired
- 1972-11-02 CA CA155,588A patent/CA987460A/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999053133A1 (en) * | 1998-04-08 | 1999-10-21 | Kemira Kemi Ab | Treatment of filtrates from peroxide bleaching of pulp |
| RU2220246C2 (ru) * | 1998-04-08 | 2003-12-27 | Кемира Кеми Аб | Обработка фильтрата после отбеливания целлюлозы пероксидом водорода |
| US6746568B1 (en) | 1998-04-08 | 2004-06-08 | Kemira Kemi Ab | Treatment of filtrates from peroxide bleaching of pulp |
| WO2001073195A1 (en) * | 2000-03-24 | 2001-10-04 | Kemira Kemi Ab | Treatment of bleach plant filtrates |
| WO2017077195A1 (en) * | 2015-11-04 | 2017-05-11 | Kemira Oyj | Method for optimising material recovery in a chemical pulping process |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4875802A (enrdf_load_stackoverflow) | 1973-10-12 |
| FR2159560A5 (enrdf_load_stackoverflow) | 1973-06-22 |
| JPS5539679B2 (enrdf_load_stackoverflow) | 1980-10-13 |
| CA987460A (fr) | 1976-04-20 |
| ES408119A1 (es) | 1976-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |