PT82363B - Autoclave vertical e processo de preparacao em massa de polimeros e copolimeros a base de cloreto de vinilo - Google Patents
Autoclave vertical e processo de preparacao em massa de polimeros e copolimeros a base de cloreto de vinilo Download PDFInfo
- Publication number
- PT82363B PT82363B PT82363A PT8236386A PT82363B PT 82363 B PT82363 B PT 82363B PT 82363 A PT82363 A PT 82363A PT 8236386 A PT8236386 A PT 8236386A PT 82363 B PT82363 B PT 82363B
- Authority
- PT
- Portugal
- Prior art keywords
- autoclave
- agitator
- point
- projection
- axis
- Prior art date
Links
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 46
- 229920001577 copolymer Polymers 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 14
- 238000002360 preparation method Methods 0.000 title claims description 10
- 229920000642 polymer Polymers 0.000 claims description 36
- 238000006116 polymerization reaction Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 25
- 239000012429 reaction media Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 23
- 239000012071 phase Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000013019 agitation Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000007334 copolymerization reaction Methods 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 239000007790 solid phase Substances 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 238000007872 degassing Methods 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- 239000001301 oxygen Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000000178 monomer Substances 0.000 description 12
- KHBQOOHGCZONAK-UHFFFAOYSA-N carboxyoxy ethyl carbonate Chemical compound CCOC(=O)OOC(O)=O KHBQOOHGCZONAK-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 4
- BSVQJWUUZCXSOL-UHFFFAOYSA-N cyclohexylsulfonyl ethaneperoxoate Chemical compound CC(=O)OOS(=O)(=O)C1CCCCC1 BSVQJWUUZCXSOL-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000007970 homogeneous dispersion Substances 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- -1 for example Chemical class 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 1
- 101150030235 CTC1 gene Proteins 0.000 description 1
- 101100126292 Caenorhabditis elegans irx-1 gene Proteins 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 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
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
-
- 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
-
- 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
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
- B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1122—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades anchor-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
- B01F27/1143—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
-
- 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
- B01J2219/18—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)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Graft Or Block Polymers (AREA)
- Moulding By Coating Moulds (AREA)
- Communication Control (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8505429A FR2580192B1 (fr) | 1985-04-11 | 1985-04-11 | Autoclave vertical et procede de preparation en masse de polymeres et copolymeres a base de chlorure de vinyle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT82363A PT82363A (fr) | 1986-05-01 |
| PT82363B true PT82363B (pt) | 1993-01-29 |
Family
ID=9318118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT82363A PT82363B (pt) | 1985-04-11 | 1986-04-10 | Autoclave vertical e processo de preparacao em massa de polimeros e copolimeros a base de cloreto de vinilo |
Country Status (16)
| Country | Link |
|---|---|
| US (2) | US4729878A (OSRAM) |
| EP (1) | EP0200609B1 (OSRAM) |
| JP (1) | JPS61287911A (OSRAM) |
| CN (1) | CN1005382B (OSRAM) |
| AT (1) | ATE45683T1 (OSRAM) |
| BR (1) | BR8601630A (OSRAM) |
| CA (1) | CA1309798C (OSRAM) |
| DE (1) | DE3665133D1 (OSRAM) |
| DK (1) | DK160132C (OSRAM) |
| ES (1) | ES8706471A1 (OSRAM) |
| FI (1) | FI81728C (OSRAM) |
| FR (1) | FR2580192B1 (OSRAM) |
| GR (1) | GR860947B (OSRAM) |
| IE (1) | IE58310B1 (OSRAM) |
| NO (1) | NO170196C (OSRAM) |
| PT (1) | PT82363B (OSRAM) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2625111B1 (fr) * | 1987-12-29 | 1990-06-15 | Moritz | Moyeu d'agitateur a pales creuses et a circuit de circulation interne d'un fluide caloriporteur |
| FR2625449B1 (fr) * | 1987-12-30 | 1991-05-10 | Moritz | Mobile d'agitation pour appareils de melange de produits pulverulents, pateux ou granuleux |
| DE59008085D1 (de) * | 1990-01-04 | 1995-02-02 | Bohle L B Pharmatech Gmbh | Mischgranulator. |
| DE4005219A1 (de) * | 1990-02-20 | 1991-08-22 | Bohle L B Pharmatech Gmbh | Ruehrwerk fuer mischgranulatoren |
| US5984520A (en) * | 1994-11-03 | 1999-11-16 | Nordahl; Geir | Blade for a mixing device |
| US6955461B2 (en) * | 2003-01-24 | 2005-10-18 | Dow Global Technologies, Inc. | Tickler for slurry reactors and tanks |
| EP1845117A1 (en) * | 2006-04-11 | 2007-10-17 | Solvay Solexis S.p.A. | Polymerisation process |
| CN102153686B (zh) * | 2011-05-18 | 2012-11-28 | 中航黎明锦西化工机械(集团)有限责任公司 | 一种大型聚氯乙烯树脂聚合釜壳体 |
| CN104785344A (zh) * | 2015-03-31 | 2015-07-22 | 无锡市崇安区科技创业服务中心 | 一种可相对旋转的粉碎器齿轮 |
| CN104841531A (zh) * | 2015-04-30 | 2015-08-19 | 无锡市崇安区科技创业服务中心 | 一种具有可相对旋转齿轮的研磨器 |
| RU2689318C1 (ru) * | 2016-05-10 | 2019-05-27 | Базелл Полиолефин Гмбх | Способ полимеризации этиленненасыщенных мономеров при высоком давлении на производственной линии, имеющей фланцы закрытые воздуховодами |
| CN106540920A (zh) * | 2016-11-26 | 2017-03-29 | 南京途酷信息科技有限公司 | 一种小工件超声波清洗装置 |
| CN107056972A (zh) * | 2017-05-04 | 2017-08-18 | 宜宾天原集团股份有限公司 | 一种本体聚氯乙烯生产工艺方法 |
| CN107151282A (zh) * | 2017-05-04 | 2017-09-12 | 宜宾天原集团股份有限公司 | 一种本体聚氯乙烯生产工艺方法 |
| KR101889681B1 (ko) | 2018-02-13 | 2018-08-17 | 고려아연 주식회사 | 오토클레이브 및 오토클레이브의 염 제거방법 |
| US11541363B2 (en) * | 2019-07-05 | 2023-01-03 | Euphotic Labs Private Limited | Stirrer blade and mechanism for automated food processing system |
| JP7733449B2 (ja) * | 2021-02-15 | 2025-09-03 | 住友重機械プロセス機器株式会社 | 撹拌装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2436767A (en) * | 1941-12-31 | 1948-02-24 | Jasco Inc | Low-temperature polymer production |
| DE1454878A1 (de) * | 1962-04-13 | 1969-02-20 | Vaterland Werk Friedrich Herfe | Kunststoffmischer mit einem kesselartigen Mischbehaelter und einem ueber dem Behaelterboden angeordneten Mischorgan |
| NL129051C (OSRAM) * | 1965-03-17 | |||
| US3486865A (en) * | 1967-11-01 | 1969-12-30 | Teijin Ltd | Continuous polymerization apparatus |
| JPS4943380A (OSRAM) * | 1972-08-31 | 1974-04-24 | ||
| FR2218350B1 (OSRAM) * | 1973-02-16 | 1976-05-14 | Rhone Progil | |
| JPS5420002B2 (OSRAM) * | 1973-07-19 | 1979-07-19 | ||
| FR2313114A1 (fr) * | 1975-06-04 | 1976-12-31 | Procedes Sem | Nouveaux perfectionnements aux helices pour melangeurs |
| FR2315001A1 (fr) * | 1975-06-18 | 1977-01-14 | Entat Marcel | Procede de realisation de pales d'helices et pales d'helices perfectionnees obtenues par la mise en oeuvre de ce procede |
| US4450141A (en) * | 1982-06-16 | 1984-05-22 | Envirosonics, Inc. | Centrifugal reaction chamber |
| GB2143440A (en) * | 1983-07-21 | 1985-02-13 | Morton Robert Dg Ltd | Mixers |
| US4601583A (en) * | 1985-01-28 | 1986-07-22 | Kennecott Corporation | Multi-hubbed separable blade agitators |
-
1985
- 1985-04-11 FR FR8505429A patent/FR2580192B1/fr not_active Expired - Fee Related
-
1986
- 1986-03-26 FI FI861298A patent/FI81728C/fi not_active IP Right Cessation
- 1986-04-04 AT AT86400734T patent/ATE45683T1/de active
- 1986-04-04 DE DE8686400734T patent/DE3665133D1/de not_active Expired
- 1986-04-04 EP EP86400734A patent/EP0200609B1/fr not_active Expired
- 1986-04-08 NO NO861363A patent/NO170196C/no unknown
- 1986-04-09 JP JP61080298A patent/JPS61287911A/ja active Granted
- 1986-04-09 IE IE92686A patent/IE58310B1/en not_active IP Right Cessation
- 1986-04-10 ES ES553849A patent/ES8706471A1/es not_active Expired
- 1986-04-10 DK DK161286A patent/DK160132C/da not_active IP Right Cessation
- 1986-04-10 US US06/850,286 patent/US4729878A/en not_active Expired - Lifetime
- 1986-04-10 BR BR8601630A patent/BR8601630A/pt not_active IP Right Cessation
- 1986-04-10 PT PT82363A patent/PT82363B/pt active IP Right Grant
- 1986-04-10 GR GR860947A patent/GR860947B/el unknown
- 1986-04-10 CA CA000506300A patent/CA1309798C/fr not_active Expired - Lifetime
- 1986-04-11 CN CN86102488.5A patent/CN1005382B/zh not_active Expired
-
1987
- 1987-10-05 US US07/104,480 patent/US4921918A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2580192A1 (fr) | 1986-10-17 |
| ES553849A0 (es) | 1987-07-01 |
| EP0200609B1 (fr) | 1989-08-23 |
| ES8706471A1 (es) | 1987-07-01 |
| JPS61287911A (ja) | 1986-12-18 |
| FI81728B (fi) | 1990-08-31 |
| ATE45683T1 (de) | 1989-09-15 |
| EP0200609A1 (fr) | 1986-11-05 |
| GR860947B (en) | 1986-08-12 |
| IE58310B1 (en) | 1993-09-08 |
| FI861298L (fi) | 1986-10-12 |
| CN86102488A (zh) | 1986-11-05 |
| CN1005382B (zh) | 1989-10-11 |
| PT82363A (fr) | 1986-05-01 |
| FI861298A0 (fi) | 1986-03-26 |
| US4729878A (en) | 1988-03-08 |
| CA1309798C (fr) | 1992-11-03 |
| BR8601630A (pt) | 1986-12-16 |
| NO170196B (no) | 1992-06-15 |
| DK161286A (da) | 1986-10-12 |
| FR2580192B1 (fr) | 1993-05-07 |
| DK160132B (da) | 1991-02-04 |
| NO861363L (no) | 1986-10-13 |
| FI81728C (fi) | 1990-12-10 |
| DE3665133D1 (en) | 1989-09-28 |
| DK160132C (da) | 1991-07-01 |
| US4921918A (en) | 1990-05-01 |
| DK161286D0 (da) | 1986-04-10 |
| IE860926L (en) | 1986-10-11 |
| JPH0350575B2 (OSRAM) | 1991-08-02 |
| NO170196C (no) | 1992-09-23 |
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