FR2159935A1 - Chlorine contg cpds recovery - from paper pulp making effluent, by burning waste liquid - Google Patents
Chlorine contg cpds recovery - from paper pulp making effluent, by burning waste liquidInfo
- Publication number
- FR2159935A1 FR2159935A1 FR7238575A FR7238575A FR2159935A1 FR 2159935 A1 FR2159935 A1 FR 2159935A1 FR 7238575 A FR7238575 A FR 7238575A FR 7238575 A FR7238575 A FR 7238575A FR 2159935 A1 FR2159935 A1 FR 2159935A1
- Authority
- FR
- France
- Prior art keywords
- paper pulp
- cpds
- contg
- chlorine
- recovery
- 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.)
- Withdrawn
Links
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- 239000002699 waste material Substances 0.000 title abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title 1
- 229910052801 chlorine Inorganic materials 0.000 title 1
- 239000000460 chlorine Substances 0.000 title 1
- 239000007788 liquid Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 4
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract 2
- 239000011780 sodium chloride Substances 0.000 abstract 2
- 238000004061 bleaching Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N chlorine dioxide Inorganic materials O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 1
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 abstract 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8733971A JPS5510716B2 (enrdf_load_stackoverflow) | 1971-11-02 | 1971-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2159935A1 true FR2159935A1 (en) | 1973-06-22 |
Family
ID=13912094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7238575A Withdrawn FR2159935A1 (en) | 1971-11-02 | 1972-10-31 | Chlorine contg cpds recovery - from paper pulp making effluent, by burning waste liquid |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5510716B2 (enrdf_load_stackoverflow) |
| BR (1) | BR7207673D0 (enrdf_load_stackoverflow) |
| CA (1) | CA989558A (enrdf_load_stackoverflow) |
| FR (1) | FR2159935A1 (enrdf_load_stackoverflow) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2210695A1 (enrdf_load_stackoverflow) * | 1972-12-15 | 1974-07-12 | Erco Envirotech Ltd | |
| FR2281458A1 (fr) * | 1974-08-05 | 1976-03-05 | Erco Ind Ltd | Procede pour eliminer le chlorure de sodium dans les effluents d'usines de pate de cellulose |
| FR2281457A1 (fr) * | 1974-08-05 | 1976-03-05 | Erco Ind Ltd | Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de cellulose |
| US3986923A (en) * | 1973-08-07 | 1976-10-19 | Erco Envirotech Ltd. | Removal of dissolved salts from sulphide liquors |
| US4138312A (en) * | 1976-05-19 | 1979-02-06 | Sappi Limited | Process of recovering sodium carbonate from spent pulping liquors |
| WO1994015020A1 (en) * | 1992-12-23 | 1994-07-07 | Kamyr, Inc. | Chlorine dioxide generation for a zero discharge pulp mill |
| WO1994020675A1 (en) * | 1993-03-02 | 1994-09-15 | Kamyr, Inc. | Zero discharge mill distillation, salt recovery, and water management |
| WO1995006775A1 (en) * | 1993-08-31 | 1995-03-09 | Kamyr, Inc. | Minimum adverse environmental impact pulp mill |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH686682A5 (de) * | 1992-05-05 | 1996-05-31 | Granit Sa | Herstellung von Zellstoff nach dem S.A.P.-Verfahren. |
| US5374333A (en) * | 1992-07-30 | 1994-12-20 | Kamyr, Inc. | Method for minimizing pulp mill effluents |
| US5439555A (en) * | 1992-07-30 | 1995-08-08 | Kamyr, Inc. | Minimum adverse environmental pulp with feed to chlorate manufacture |
| SE9202419D0 (sv) * | 1992-08-24 | 1992-08-24 | Eka Nobel Ab | Reduction of chloride in pulping chemical recovery systems |
| US5628872A (en) * | 1993-10-22 | 1997-05-13 | Kanyr Ab | Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor |
| US5961803A (en) * | 1995-07-12 | 1999-10-05 | Eka Chemicals Ab | Leaching process |
-
1971
- 1971-11-02 JP JP8733971A patent/JPS5510716B2/ja not_active Expired
-
1972
- 1972-10-30 CA CA155,132A patent/CA989558A/en not_active Expired
- 1972-10-31 FR FR7238575A patent/FR2159935A1/fr not_active Withdrawn
- 1972-10-31 BR BR767372A patent/BR7207673D0/pt unknown
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2210695A1 (enrdf_load_stackoverflow) * | 1972-12-15 | 1974-07-12 | Erco Envirotech Ltd | |
| US3986923A (en) * | 1973-08-07 | 1976-10-19 | Erco Envirotech Ltd. | Removal of dissolved salts from sulphide liquors |
| FR2281458A1 (fr) * | 1974-08-05 | 1976-03-05 | Erco Ind Ltd | Procede pour eliminer le chlorure de sodium dans les effluents d'usines de pate de cellulose |
| FR2281457A1 (fr) * | 1974-08-05 | 1976-03-05 | Erco Ind Ltd | Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de cellulose |
| US3954552A (en) * | 1974-08-05 | 1976-05-04 | Erco Envirotech Ltd. | Removal of sodium chloride from pulp mill systems |
| US4138312A (en) * | 1976-05-19 | 1979-02-06 | Sappi Limited | Process of recovering sodium carbonate from spent pulping liquors |
| US5518583A (en) * | 1992-07-30 | 1996-05-21 | A. Ahlstrom Corporation | Zero discharge mill distillation, salt recovery, and water management |
| WO1994015020A1 (en) * | 1992-12-23 | 1994-07-07 | Kamyr, Inc. | Chlorine dioxide generation for a zero discharge pulp mill |
| WO1994020675A1 (en) * | 1993-03-02 | 1994-09-15 | Kamyr, Inc. | Zero discharge mill distillation, salt recovery, and water management |
| EP0728864A3 (en) * | 1993-03-02 | 1999-07-28 | Ahlstrom Machinery Oy | Zero discharge pulp mill cascading water management |
| WO1995006775A1 (en) * | 1993-08-31 | 1995-03-09 | Kamyr, Inc. | Minimum adverse environmental impact pulp mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CA989558A (en) | 1976-05-25 |
| BR7207673D0 (pt) | 1973-09-25 |
| JPS4861703A (enrdf_load_stackoverflow) | 1973-08-29 |
| JPS5510716B2 (enrdf_load_stackoverflow) | 1980-03-18 |
Similar Documents
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |