ES448538A1 - Procedimiento y aparato para la separacion y recuperacion dealcohol polivinilico de una solucion acuosa del mismo. - Google Patents
Procedimiento y aparato para la separacion y recuperacion dealcohol polivinilico de una solucion acuosa del mismo.Info
- Publication number
- ES448538A1 ES448538A1 ES448538A ES448538A ES448538A1 ES 448538 A1 ES448538 A1 ES 448538A1 ES 448538 A ES448538 A ES 448538A ES 448538 A ES448538 A ES 448538A ES 448538 A1 ES448538 A1 ES 448538A1
- Authority
- ES
- Spain
- Prior art keywords
- polyvinyl alcohol
- aqueous solution
- tank
- coagulating agent
- liquid separator
- 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
- 239000004372 Polyvinyl alcohol Substances 0.000 title abstract 5
- 229920002451 polyvinyl alcohol Polymers 0.000 title abstract 5
- 238000011084 recovery Methods 0.000 title abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 5
- 239000000701 coagulant Substances 0.000 abstract 4
- 239000007788 liquid Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 2
- 150000003856 quaternary ammonium compounds Chemical class 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
- 229910021538 borax Inorganic materials 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 229910017053 inorganic salt Inorganic materials 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- 235000010339 sodium tetraborate Nutrition 0.000 abstract 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/12—Separation of polymers from solutions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/38—Polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6738175A JPS51148964A (en) | 1975-06-04 | 1975-06-04 | Method and device for recovering polyvinyl alcohol from aqueous s olution thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES448538A1 true ES448538A1 (es) | 1977-12-01 |
Family
ID=13343365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES448538A Expired ES448538A1 (es) | 1975-06-04 | 1976-06-04 | Procedimiento y aparato para la separacion y recuperacion dealcohol polivinilico de una solucion acuosa del mismo. |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2700361A1 (de) * | 1977-01-07 | 1978-07-13 | Hoechst Ag | Verfahren zur abtrennung von polyvinylalkohol aus waessrigen loesungen |
| BE883255A (fr) * | 1979-05-21 | 1980-09-01 | Ciment Portland S A Fab De | Procede pour appliquer un enduit sur la surface d'un ouvrage en beton ou mortier et produit permettant la mise en oeuvre de ce procede |
| CN111099759A (zh) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | 一种聚乙烯醇废水处理剂及其用于处理废水的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5247430B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-04-19 | 1977-12-02 |
-
1975
- 1975-06-04 JP JP6738175A patent/JPS51148964A/ja active Granted
-
1976
- 1976-06-01 CH CH688576A patent/CH601118A5/xx not_active IP Right Cessation
- 1976-06-03 BR BR7603560A patent/BR7603560A/pt unknown
- 1976-06-03 BE BE2055082A patent/BE842518A/xx unknown
- 1976-06-03 IT IT2388676A patent/IT1060894B/it active
- 1976-06-03 FR FR7616887A patent/FR2313404A1/fr not_active Withdrawn
- 1976-06-03 PL PL19009176A patent/PL102690B1/pl unknown
- 1976-06-04 ES ES448538A patent/ES448538A1/es not_active Expired
- 1976-06-04 DE DE19762625225 patent/DE2625225B2/de not_active Withdrawn
- 1976-06-04 SU SU762365911A patent/SU679148A3/ru active
- 1976-06-04 GB GB2309376A patent/GB1528404A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2625225A1 (de) | 1976-12-23 |
| JPS51148964A (en) | 1976-12-21 |
| GB1528404A (en) | 1978-10-11 |
| JPS5622591B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-05-26 |
| CH601118A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-06-30 |
| IT1060894B (it) | 1982-09-30 |
| PL102690B1 (pl) | 1979-04-30 |
| BR7603560A (pt) | 1977-07-05 |
| BE842518A (fr) | 1976-10-01 |
| DE2625225B2 (de) | 1978-06-22 |
| FR2313404A1 (fr) | 1976-12-31 |
| SU679148A3 (ru) | 1979-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1188317A (en) | Improvements in the production of Active Clay and Finely Divided Silica | |
| ES448538A1 (es) | Procedimiento y aparato para la separacion y recuperacion dealcohol polivinilico de una solucion acuosa del mismo. | |
| ES404748A1 (es) | Un procedimiento para la preparacion de microparticulas finamente devididas de tirosina. | |
| GB1522695A (en) | Process for the production of thermoplastic synthetic materials and plastics shaping materials of chemically modified protein and chemical plasticizer | |
| ES382048A1 (es) | Procedimiento para obtener acido fenilacetico por carboni- lacion de cloruro de bencilo. | |
| ES433861A1 (es) | Un metodo para la preparacion de alcohil-sulfato. | |
| GB1531057A (en) | Process for solidifying aqueous solutions containing wastes such as radioactive or toxic substances | |
| ES488750A1 (es) | Procedimiento para desensibilizar el 2,4,6-trinitrotolueno (tnt)explosivo | |
| ES427237A1 (es) | Un procedimiento para una nueva separacion solido-liquido de contaminantes colorantes y otras materias solidas suspen-didas de una suspension. | |
| GB1330848A (en) | Preparation of 7-hydroxy-dihydrocitronellal | |
| US4136020A (en) | Flotation reagent and process | |
| Reinheimer et al. | The Salt Effect in the Aromatic Nucleophilic Substitution Reaction of 2, 4-Dinitrochlorobenzene and Methoxide in Methanol-Benzene | |
| SU912643A1 (ru) | Способ получени бромистого натри | |
| GB522404A (en) | Process for the preparation of chloramines | |
| ES390708A1 (es) | Procedimiento para la polimerizacion de suspension de clo- ruro de vinilo. | |
| ES390162A1 (es) | Un procedimiento para la preparacion de mezclas vulcaniza- bles de caucho natural o sintetico y acido silicico precipi-tado. | |
| GB481392A (en) | Method for solidifying liquid hydrocarbons | |
| JPS6440585A (en) | Production of aqueous emulsion of tackifier polymer | |
| GB1481398A (en) | Preparation of hexamethyleneimine | |
| CN117304122A (zh) | 耐卤素缓蚀剂氯唑的合成方法 | |
| ES8501753A1 (es) | Procedimiento para la obtencion de 2-benzotiazolsulfenamidas estericamente impedidas | |
| JPH025683B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| GB1467460A (en) | Process for preparing salts of aromatic amines | |
| GB402382A (en) | Improvements in method of making mono-chloramine | |
| SU575870A1 (ru) | Способ получени ионита |