FR2233439B1 - - Google Patents
Info
- Publication number
- FR2233439B1 FR2233439B1 FR7321836A FR7321836A FR2233439B1 FR 2233439 B1 FR2233439 B1 FR 2233439B1 FR 7321836 A FR7321836 A FR 7321836A FR 7321836 A FR7321836 A FR 7321836A FR 2233439 B1 FR2233439 B1 FR 2233439B1
- Authority
- FR
- France
- 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
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2233439A1 FR2233439A1 (enExample) | 1975-01-10 |
| FR2233439B1 true FR2233439B1 (enExample) | 1977-02-11 |
Family
ID=10196724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7321836A Expired FR2233439B1 (enExample) | 1973-05-17 | 1973-06-15 |
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 |
|---|---|
| DE2322436A1 (de) | 1974-11-21 |
| BE801022A (fr) | 1973-12-17 |
| NL7307519A (enExample) | 1974-12-03 |
| JPS50104A (enExample) | 1975-01-06 |
| GB1396649A (en) | 1975-06-04 |
| FR2233439A1 (enExample) | 1975-01-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |