IT1060894B - Procedimento per ricuperare alcool polivinilico in soluzione acquosa e dispositivo per attuare tale procedimento - Google Patents
Procedimento per ricuperare alcool polivinilico in soluzione acquosa e dispositivo per attuare tale procedimentoInfo
- Publication number
- IT1060894B IT1060894B IT2388676A IT2388676A IT1060894B IT 1060894 B IT1060894 B IT 1060894B IT 2388676 A IT2388676 A IT 2388676A IT 2388676 A IT2388676 A IT 2388676A IT 1060894 B IT1060894 B IT 1060894B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- implement
- aqueous solution
- polyvinyl alcohol
- recover
- Prior art date
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 title 1
- 239000007864 aqueous solution Substances 0.000 title 1
- 229920002451 polyvinyl alcohol Polymers 0.000 title 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 |
|---|---|
| IT1060894B true IT1060894B (it) | 1982-09-30 |
Family
ID=13343365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2388676A IT1060894B (it) | 1975-06-04 | 1976-06-03 | Procedimento per ricuperare alcool polivinilico in soluzione acquosa e dispositivo per attuare tale procedimento |
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 |
| 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 |
| ES448538A1 (es) | 1977-12-01 |
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