DE2625149C3 - Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Vinylchloridpolymerisaten in wäßriger Emulsion - Google Patents
Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Vinylchloridpolymerisaten in wäßriger EmulsionInfo
- Publication number
- DE2625149C3 DE2625149C3 DE2625149A DE2625149A DE2625149C3 DE 2625149 C3 DE2625149 C3 DE 2625149C3 DE 2625149 A DE2625149 A DE 2625149A DE 2625149 A DE2625149 A DE 2625149A DE 2625149 C3 DE2625149 C3 DE 2625149C3
- Authority
- DE
- Germany
- Prior art keywords
- container
- liquid
- height
- opening
- polymerization
- 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
- 229920000642 polymer Polymers 0.000 title claims description 42
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 27
- 239000000839 emulsion Substances 0.000 title claims description 25
- 238000010924 continuous production Methods 0.000 title claims description 4
- 239000007788 liquid Substances 0.000 claims description 125
- 238000006116 polymerization reaction Methods 0.000 claims description 57
- 239000007858 starting material Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000004815 dispersion polymer Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000013543 active substance Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 238000010559 graft polymerization reaction Methods 0.000 claims description 4
- 229920001519 homopolymer Polymers 0.000 claims description 4
- 229920000578 graft copolymer Polymers 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 15
- 239000000178 monomer Substances 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 238000005507 spraying Methods 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000007605 air drying Methods 0.000 description 5
- 238000007720 emulsion polymerization reaction Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000379 polymerizing effect Effects 0.000 description 5
- 238000005496 tempering Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 206010039509 Scab Diseases 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000638935 Senecio crassissimus Species 0.000 description 2
- -1 amphoteric Chemical group 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100346764 Mus musculus Mtln gene Proteins 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 235000015895 biscuits Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (19)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2625149A DE2625149C3 (de) | 1976-06-04 | 1976-06-04 | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Vinylchloridpolymerisaten in wäßriger Emulsion |
| NL7705867A NL7705867A (nl) | 1976-06-04 | 1977-05-27 | Werkwijze en inrichting voor het continu bereiden van vinylchloridepolymeren. |
| ES459218A ES459218A1 (es) | 1976-06-04 | 1977-05-27 | Procedimiento y dispositivo para la obtencion continua de polimerizados de cloruro de vinilo en emulsion acuosa. |
| PL1977198569A PL104110B1 (pl) | 1976-06-04 | 1977-06-01 | Sposob ciaglego wytwarzania polimerow chlorku winylu w emulsji wodnej oraz urzadzenie do wytwarzania polimerow chlorku winylu w emulsji wodnej |
| US05/802,493 US4125574A (en) | 1976-06-04 | 1977-06-01 | Process and apparatus for the continuous production of vinyl chloride polymers in aqueous emulsion |
| CH671877A CH628908A5 (de) | 1976-06-04 | 1977-06-01 | Verfahren und vorrichtung zur kontinuierlichen herstellung von vinylchloridpolymerisaten in waessriger emulsion. |
| YU01382/77A YU39009B (en) | 1976-06-04 | 1977-06-02 | Device for continuously producing vinylchloride polymeriates |
| BR7703569A BR7703569A (pt) | 1976-06-04 | 1977-06-02 | Processo para producao continua de homopolimeros,copolimeros ou polimeros de enxerto de cloreto de vinila em emulsao aquosa,e di positivo para sua execucao |
| IT24334/77A IT1074532B (it) | 1976-06-04 | 1977-06-02 | Processo e apparecchio per la preparazione continua di polimeri del cloruro di vinile in emulsione acquosa |
| DD7700199266A DD130860A5 (enExample) | 1976-06-04 | 1977-06-02 | |
| SU772488546A SU856389A3 (ru) | 1976-06-04 | 1977-06-02 | Способ получени винилхлоридных полимеров и устройство дл его осуществлени |
| SE7706484A SE422215B (sv) | 1976-06-04 | 1977-06-03 | Forfarande och anordning for kontinuerlig framstellning av vinylkloridpolymerer i vattenemulsion |
| ZA00773356A ZA773356B (en) | 1976-06-04 | 1977-06-03 | Process and apparatus for the continuous production of vinyl chloride polymers in aqueous emulsion |
| HU77HO1994A HU176398B (en) | 1976-06-04 | 1977-06-03 | Process and apparatus for continuous producing vinylchloride-polymers in aequous emulsions |
| AT396277A AT354088B (de) | 1976-06-04 | 1977-06-03 | Verfahren und vorrichtung zur kontinuierlichen herstellung von vinylchlorid- polymerisaten in waesseriger emulsion |
| CA279,824A CA1094748A (en) | 1976-06-04 | 1977-06-03 | Process and apparatus for the continuous production of vinyl chloride polymers in aqueous emulsion |
| FR7717205A FR2353574A1 (fr) | 1976-06-04 | 1977-06-06 | Procede et appareil pour la preparation continue de polymeres du chlorure de vinyle en emulsion aqueuse |
| BE178234A BE855433A (fr) | 1976-06-04 | 1977-06-06 | Procede et appareil pour la preparation continue de polymeres du chlorure de vinyle en emulsion aqueuse |
| GB23906/77A GB1580747A (en) | 1976-06-04 | 1977-06-08 | Process and apparatus for the production of vinyl chloride polymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2625149A DE2625149C3 (de) | 1976-06-04 | 1976-06-04 | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Vinylchloridpolymerisaten in wäßriger Emulsion |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2625149A1 DE2625149A1 (de) | 1977-12-08 |
| DE2625149B2 DE2625149B2 (de) | 1980-04-30 |
| DE2625149C3 true DE2625149C3 (de) | 1981-01-08 |
Family
ID=5979834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2625149A Expired DE2625149C3 (de) | 1976-06-04 | 1976-06-04 | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Vinylchloridpolymerisaten in wäßriger Emulsion |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4125574A (enExample) |
| AT (1) | AT354088B (enExample) |
| BE (1) | BE855433A (enExample) |
| BR (1) | BR7703569A (enExample) |
| CA (1) | CA1094748A (enExample) |
| CH (1) | CH628908A5 (enExample) |
| DD (1) | DD130860A5 (enExample) |
| DE (1) | DE2625149C3 (enExample) |
| ES (1) | ES459218A1 (enExample) |
| FR (1) | FR2353574A1 (enExample) |
| GB (1) | GB1580747A (enExample) |
| HU (1) | HU176398B (enExample) |
| IT (1) | IT1074532B (enExample) |
| NL (1) | NL7705867A (enExample) |
| PL (1) | PL104110B1 (enExample) |
| SE (1) | SE422215B (enExample) |
| SU (1) | SU856389A3 (enExample) |
| YU (1) | YU39009B (enExample) |
| ZA (1) | ZA773356B (enExample) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522502A (en) * | 1982-10-22 | 1985-06-11 | Stran Corporation | Mixing and feeding apparatus |
| US4731227A (en) * | 1982-12-29 | 1988-03-15 | Pulvari Charles F | Polymerization process and apparatus |
| US5018870A (en) * | 1985-10-03 | 1991-05-28 | Stranco, Inc. | Dual-pump mixing and feeding apparatus |
| US4920519A (en) * | 1985-10-03 | 1990-04-24 | Stranco, Inc. | Dual-pump mixing and feeding apparatus |
| FR2601373B1 (fr) * | 1986-07-11 | 1988-10-21 | Atochem | Procede de preparation en emulsion ou en microsuspension d'homo- et copolymeres du chlorure de vinyle |
| US4747691A (en) * | 1986-09-29 | 1988-05-31 | Hoffland Robert O | Method and apparatus for diluting and activating polymer |
| US5061456A (en) * | 1987-08-25 | 1991-10-29 | Stranco, Inc. | Polymer activation apparatus |
| US5252635A (en) * | 1987-08-25 | 1993-10-12 | Stranco, Inc. | Polymer activation method using two separate mixing zones |
| US5135968A (en) * | 1990-10-10 | 1992-08-04 | Stranco, Ltd. | Methods and apparatus for treating wastewater |
| US5164429A (en) * | 1987-08-25 | 1992-11-17 | Stranco, Inc. | Polymer activation apparatus |
| US5316031A (en) * | 1987-08-25 | 1994-05-31 | Brazelton Carl L | Valve with independent control of discharge through plurality of orifices |
| US4957708A (en) * | 1987-10-05 | 1990-09-18 | Ashland Oil, Inc. | Process and apparatus for forming polymeric solutions |
| US4952066A (en) * | 1989-02-24 | 1990-08-28 | Hoffland Robert O | Method and apparatus for diluting and activating polymer |
| KR100191378B1 (ko) * | 1989-09-18 | 1999-06-15 | 후루타 다케시 | 비닐 클로라이드 수지를 제조하기위한 미세현탁중합법 |
| US5470150A (en) * | 1990-06-20 | 1995-11-28 | Pardikes; Dennis G. | System for mixing and activating polymers |
| US5338779A (en) * | 1992-09-18 | 1994-08-16 | Stranco, Inc | Dry polymer activation apparatus and method |
| JP2516730B2 (ja) * | 1993-10-12 | 1996-07-24 | 三菱重工業株式会社 | 攪拌装置 |
| AU693221B2 (en) * | 1994-09-12 | 1998-06-25 | Mitsubishi Chemical Corporation | Method for producing poly (vinyl chloride) |
| EP0701863B1 (en) * | 1994-09-14 | 1999-07-14 | Shin-Etsu Chemical Co., Ltd. | Polymerization apparatus and a method for producing polymer using the same |
| DE69501137T2 (de) * | 1994-09-14 | 1998-04-09 | Shinetsu Chemical Co | Verfahren zur Herstellung von einem Vinyl-Chlorid-Typ Polymer |
| TW366351B (en) * | 1994-12-26 | 1999-08-11 | Mitsui Chemicals Inc | Production process of acrylonitrile (co)polymers |
| CA2167247A1 (en) * | 1995-01-24 | 1996-07-25 | Chi-Wai Hui | Method for controlling reaction temperature |
| DE19711022A1 (de) * | 1997-03-17 | 1998-09-24 | Basf Ag | Verwendung eines Mehrstufenrührers zur Herstellung von Polymerisaten |
| DE19711020A1 (de) * | 1997-03-17 | 1998-09-24 | Basf Ag | Polymerisationsreaktor |
| US6143184A (en) | 1999-03-02 | 2000-11-07 | United States Filter Corporation | Air and water purification using continuous breakpoint halogenation |
| US6409926B1 (en) | 1999-03-02 | 2002-06-25 | United States Filter Corporation | Air and water purification using continuous breakpoint halogenation and peroxygenation |
| CA2413888A1 (en) | 2000-06-22 | 2001-12-27 | United States Filter Corporation | Corrosion control utilizing a hydrogen peroxide donor |
| US6419817B1 (en) | 2000-06-22 | 2002-07-16 | United States Filter Corporation | Dynamic optimization of chemical additives in a water treatment system |
| US6716359B1 (en) | 2000-08-29 | 2004-04-06 | United States Filter Corporation | Enhanced time-based proportional control |
| US6620315B2 (en) | 2001-02-09 | 2003-09-16 | United States Filter Corporation | System for optimized control of multiple oxidizer feedstreams |
| US6776926B2 (en) * | 2001-08-09 | 2004-08-17 | United States Filter Corporation | Calcium hypochlorite of reduced reactivity |
| US6991735B2 (en) | 2002-02-26 | 2006-01-31 | Usfilter Corporation | Free radical generator and method |
| US7108781B2 (en) | 2002-02-26 | 2006-09-19 | Usfilter Corporation | Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals |
| EP1707256B1 (de) | 2003-03-21 | 2016-10-19 | Kemira Oyj | Vorrichtung und Verfahren zur kontinuierlichen Herstellung von Emulsionen oder Dispersionen |
| WO2007146671A2 (en) * | 2006-06-06 | 2007-12-21 | Fluid Lines | Ultaviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| US10343939B2 (en) | 2006-06-06 | 2019-07-09 | Evoqua Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| US12103874B2 (en) | 2006-06-06 | 2024-10-01 | Evoqua Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| US9725343B2 (en) | 2007-04-03 | 2017-08-08 | Evoqua Water Technologies Llc | System and method for measuring and treating a liquid stream |
| US8741155B2 (en) * | 2007-04-03 | 2014-06-03 | Evoqua Water Technologies Llc | Method and system for providing ultrapure water |
| US8961798B2 (en) * | 2007-04-03 | 2015-02-24 | Evoqua Water Technologies Llc | Method for measuring a concentration of a compound in a liquid stream |
| US8753522B2 (en) * | 2007-04-03 | 2014-06-17 | Evoqua Water Technologies Llc | System for controlling introduction of a reducing agent to a liquid stream |
| US9365436B2 (en) * | 2007-04-03 | 2016-06-14 | Evoqua Water Technologies Llc | Method of irradiating a liquid |
| US9365435B2 (en) * | 2007-04-03 | 2016-06-14 | Evoqua Water Technologies Llc | Actinic radiation reactor |
| WO2010006941A1 (en) * | 2008-07-16 | 2010-01-21 | Trüb Emulsions Chemie Ag | Method for the solvent-free production of thermoplastic dispersions |
| US8591730B2 (en) * | 2009-07-30 | 2013-11-26 | Siemens Pte. Ltd. | Baffle plates for an ultraviolet reactor |
| EP2527301B1 (en) | 2011-05-26 | 2016-04-27 | Evoqua Water Technologies GmbH | Method and arrangement for a water treatment |
| PL236704B1 (pl) | 2014-11-19 | 2021-02-08 | Inst Nafty I Gazu Panstwowy Inst Badawczy | Stabilizowany modyfikator spalania do lekkich olejów opałowych |
| US11161762B2 (en) | 2015-01-21 | 2021-11-02 | Evoqua Water Technologies Llc | Advanced oxidation process for ex-situ groundwater remediation |
| CA2918564C (en) | 2015-01-21 | 2023-09-19 | Evoqua Water Technologies Llc | Advanced oxidation process for ex-situ groundwater remediation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1053572A (enExample) * | 1963-05-14 | |||
| US3627744A (en) * | 1968-09-12 | 1971-12-14 | Monsanto Co | Method for polymerizing vinyl halide polymers |
| DE1910482B2 (de) * | 1969-03-01 | 1972-11-16 | Chemische Werke Hüls AG, 4370 Mari | Polymerisationsreaktor |
| DE2239942C3 (de) * | 1972-08-14 | 1988-02-11 | Wacker-Chemie GmbH, 8000 München | Verfahren zur Polymerisation von Vinylchlorid |
| DE2350720C3 (de) * | 1973-10-10 | 1979-11-08 | Hoechst Ag, 6000 Frankfurt | Polymerisationsverfahren |
-
1976
- 1976-06-04 DE DE2625149A patent/DE2625149C3/de not_active Expired
-
1977
- 1977-05-27 NL NL7705867A patent/NL7705867A/xx not_active Application Discontinuation
- 1977-05-27 ES ES459218A patent/ES459218A1/es not_active Expired
- 1977-06-01 US US05/802,493 patent/US4125574A/en not_active Expired - Lifetime
- 1977-06-01 CH CH671877A patent/CH628908A5/de not_active IP Right Cessation
- 1977-06-01 PL PL1977198569A patent/PL104110B1/pl unknown
- 1977-06-02 YU YU01382/77A patent/YU39009B/xx unknown
- 1977-06-02 DD DD7700199266A patent/DD130860A5/xx not_active IP Right Cessation
- 1977-06-02 IT IT24334/77A patent/IT1074532B/it active
- 1977-06-02 SU SU772488546A patent/SU856389A3/ru active
- 1977-06-02 BR BR7703569A patent/BR7703569A/pt unknown
- 1977-06-03 CA CA279,824A patent/CA1094748A/en not_active Expired
- 1977-06-03 AT AT396277A patent/AT354088B/de not_active IP Right Cessation
- 1977-06-03 ZA ZA00773356A patent/ZA773356B/xx unknown
- 1977-06-03 SE SE7706484A patent/SE422215B/xx unknown
- 1977-06-03 HU HU77HO1994A patent/HU176398B/hu unknown
- 1977-06-06 BE BE178234A patent/BE855433A/xx not_active IP Right Cessation
- 1977-06-06 FR FR7717205A patent/FR2353574A1/fr active Granted
- 1977-06-08 GB GB23906/77A patent/GB1580747A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH628908A5 (de) | 1982-03-31 |
| US4125574A (en) | 1978-11-14 |
| BR7703569A (pt) | 1978-03-28 |
| ES459218A1 (es) | 1978-03-01 |
| ATA396277A (de) | 1979-05-15 |
| DE2625149A1 (de) | 1977-12-08 |
| ZA773356B (en) | 1978-05-30 |
| SU856389A3 (ru) | 1981-08-15 |
| SE422215B (sv) | 1982-02-22 |
| PL104110B1 (pl) | 1979-07-31 |
| YU39009B (en) | 1983-12-31 |
| AT354088B (de) | 1979-12-27 |
| BE855433A (fr) | 1977-12-06 |
| PL198569A1 (pl) | 1978-02-13 |
| DD130860A5 (enExample) | 1978-05-10 |
| FR2353574B1 (enExample) | 1982-09-10 |
| IT1074532B (it) | 1985-04-20 |
| YU138277A (en) | 1982-08-31 |
| NL7705867A (nl) | 1977-12-06 |
| GB1580747A (en) | 1980-12-03 |
| HU176398B (en) | 1981-02-28 |
| CA1094748A (en) | 1981-01-27 |
| FR2353574A1 (fr) | 1977-12-30 |
| DE2625149B2 (de) | 1980-04-30 |
| SE7706484L (sv) | 1977-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |