JPS51148964A - Method and device for recovering polyvinyl alcohol from aqueous s olution thereof - Google Patents
Method and device for recovering polyvinyl alcohol from aqueous s olution thereofInfo
- Publication number
- JPS51148964A JPS51148964A JP6738175A JP6738175A JPS51148964A JP S51148964 A JPS51148964 A JP S51148964A JP 6738175 A JP6738175 A JP 6738175A JP 6738175 A JP6738175 A JP 6738175A JP S51148964 A JPS51148964 A JP S51148964A
- Authority
- JP
- Japan
- Prior art keywords
- polyvinyl alcohol
- olution
- aqueous
- recovering polyvinyl
- recovering
- 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.)
- Granted
Links
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)
- Processes Of Treating Macromolecular Substances (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE: To provide a method and device for recocering polyvinyl alcohol to obtain flocculent precipitate not bulky and less water and salts inclussive by concentration.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (11)
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 |
CH688576A CH601118A5 (en) | 1975-06-04 | 1976-06-01 | |
BE2055082A BE842518A (en) | 1975-06-04 | 1976-06-03 | PROCESS FOR RECOVERING POLYVINYL ALCOHOL FROM AN AQUEOUS SOLUTION AND APPARATUS FOR ITS IMPLEMENTATION |
IT2388676A IT1060894B (en) | 1975-06-04 | 1976-06-03 | PROCEDURE TO RECOVER POLYVINYL ALCOHOL IN AQUEOUS SOLUTION AND DEVICE TO IMPLEMENT THIS PROCEDURE |
BR7603560A BR7603560A (en) | 1975-06-04 | 1976-06-03 | PROCESS FOR RECOVERY OF VINYL POLYALCOOL IN SOLUTION AND APPLIANCE FOR USE IN THIS PROCESS |
PL19009176A PL102690B1 (en) | 1975-06-04 | 1976-06-03 | METHOD OF RECOVERY OF POLYVINYL ALCOHOL AND DEVICE FOR PERFORMING THIS METHOD |
FR7616887A FR2313404A1 (en) | 1975-06-04 | 1976-06-03 | PROCESS FOR RECOVERING POLYVINYL ALCOHOL IN AQUEOUS SOLUTION, A DEVICE USED FOR THIS PURPOSE AND A NEW PRODUCT THUS OBTAINED |
GB2309376A GB1528404A (en) | 1975-06-04 | 1976-06-04 | Recovery of polyvinyl alcohol |
ES448538A ES448538A1 (en) | 1975-06-04 | 1976-06-04 | Recovery of polyvinyl alcohol |
SU762365911A SU679148A3 (en) | 1975-06-04 | 1976-06-04 | Method and apparatus for separating polyvinyl alcohol |
DE19762625225 DE2625225B2 (en) | 1975-06-04 | 1976-06-04 | Process for the separation and recovery of polyvinyl alcohol from waste water |
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 (2)
Publication Number | Publication Date |
---|---|
JPS51148964A true JPS51148964A (en) | 1976-12-21 |
JPS5622591B2 JPS5622591B2 (en) | 1981-05-26 |
Family
ID=13343365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6738175A Granted JPS51148964A (en) | 1975-06-04 | 1975-06-04 | Method and device for recovering polyvinyl alcohol from aqueous s olution thereof |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS51148964A (en) |
BE (1) | BE842518A (en) |
BR (1) | BR7603560A (en) |
CH (1) | CH601118A5 (en) |
DE (1) | DE2625225B2 (en) |
ES (1) | ES448538A1 (en) |
FR (1) | FR2313404A1 (en) |
GB (1) | GB1528404A (en) |
IT (1) | IT1060894B (en) |
PL (1) | PL102690B1 (en) |
SU (1) | SU679148A3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111099759A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | Polyvinyl alcohol wastewater treating agent and method for treating wastewater by using same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2700361A1 (en) * | 1977-01-07 | 1978-07-13 | Hoechst Ag | PROCESS FOR THE SEPARATION OF POLYVINYL ALCOHOL FROM Aqueous SOLUTIONS |
BE883255A (en) * | 1979-05-21 | 1980-09-01 | Ciment Portland S A Fab De | PROCESS FOR APPLYING A COATING ON THE SURFACE OF A CONCRETE OR MORTAR STRUCTURE AND PRODUCT FOR CARRYING OUT SAID METHOD |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49130372A (en) * | 1973-04-19 | 1974-12-13 |
-
1975
- 1975-06-04 JP JP6738175A patent/JPS51148964A/en active Granted
-
1976
- 1976-06-01 CH CH688576A patent/CH601118A5/xx not_active IP Right Cessation
- 1976-06-03 BR BR7603560A patent/BR7603560A/en unknown
- 1976-06-03 BE BE2055082A patent/BE842518A/en unknown
- 1976-06-03 FR FR7616887A patent/FR2313404A1/en not_active Withdrawn
- 1976-06-03 IT IT2388676A patent/IT1060894B/en active
- 1976-06-03 PL PL19009176A patent/PL102690B1/en unknown
- 1976-06-04 DE DE19762625225 patent/DE2625225B2/en not_active Withdrawn
- 1976-06-04 SU SU762365911A patent/SU679148A3/en active
- 1976-06-04 GB GB2309376A patent/GB1528404A/en not_active Expired
- 1976-06-04 ES ES448538A patent/ES448538A1/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49130372A (en) * | 1973-04-19 | 1974-12-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111099759A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | Polyvinyl alcohol wastewater treating agent and method for treating wastewater by using same |
Also Published As
Publication number | Publication date |
---|---|
SU679148A3 (en) | 1979-08-05 |
DE2625225B2 (en) | 1978-06-22 |
BE842518A (en) | 1976-10-01 |
PL102690B1 (en) | 1979-04-30 |
FR2313404A1 (en) | 1976-12-31 |
GB1528404A (en) | 1978-10-11 |
ES448538A1 (en) | 1977-12-01 |
IT1060894B (en) | 1982-09-30 |
CH601118A5 (en) | 1978-06-30 |
JPS5622591B2 (en) | 1981-05-26 |
BR7603560A (en) | 1977-07-05 |
DE2625225A1 (en) | 1976-12-23 |
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