AR223490A1 - Procedimiento para la destilacion de un compuesto impuro y aparato para realizarlo - Google Patents
Procedimiento para la destilacion de un compuesto impuro y aparato para realizarloInfo
- Publication number
- AR223490A1 AR223490A1 AR276999A AR27699979A AR223490A1 AR 223490 A1 AR223490 A1 AR 223490A1 AR 276999 A AR276999 A AR 276999A AR 27699979 A AR27699979 A AR 27699979A AR 223490 A1 AR223490 A1 AR 223490A1
- Authority
- AR
- Argentina
- Prior art keywords
- distillation
- procedure
- perform
- impure compound
- impure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/925,818 US4252615A (en) | 1978-07-18 | 1978-07-18 | Polymerization inhibitor for vinyl aromatic compounds |
BE0/194339A BE875237R (fr) | 1978-07-18 | 1979-03-30 | Procede pour inhiber la polymerisation de composes vinylaromatiques facilement polymerisables |
DE19792914226 DE2914226A1 (de) | 1978-07-18 | 1979-04-09 | Verfahren zur destillation leicht polymerisierbarer aromatischer vinylverbindungen |
Publications (1)
Publication Number | Publication Date |
---|---|
AR223490A1 true AR223490A1 (es) | 1981-08-31 |
Family
ID=27158670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR276999A AR223490A1 (es) | 1978-07-18 | 1979-06-21 | Procedimiento para la destilacion de un compuesto impuro y aparato para realizarlo |
Country Status (7)
Country | Link |
---|---|
US (1) | US4252615A (es) |
JP (1) | JPS5515500A (es) |
AR (1) | AR223490A1 (es) |
AU (1) | AU530417B2 (es) |
BR (1) | BR7904432A (es) |
CA (1) | CA1130754A (es) |
ZA (1) | ZA792423B (es) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4492675A (en) * | 1980-12-31 | 1985-01-08 | Cosden Technology, Inc. | Apparatus for the production of vinyltoluene |
US4558169A (en) * | 1980-12-31 | 1985-12-10 | Cosden Technology, Inc. | Process for the production of vinyltoluene |
US4457806A (en) * | 1982-06-28 | 1984-07-03 | The Sherwin-Williams Company | Process for vinyl aromatic monomer polymerization inhibition |
US4376678A (en) * | 1982-07-29 | 1983-03-15 | American Hoechst Corporation | Method of inhibiting polymerization of vinyl aromatic compounds |
CA1224811A (en) * | 1983-04-11 | 1987-07-28 | James R. Butler | Polymerization inhibition process for vinyl aromatic compounds |
US5254760A (en) * | 1992-07-29 | 1993-10-19 | Ciba-Geigy Corporation | Inhibiting polymerization of vinyl aromatic monomers |
AU7169196A (en) * | 1995-09-29 | 1997-04-17 | Yield Improvement Engineering, Inc. | Distillation of vinylaromatic monomer |
CN1082499C (zh) * | 1996-06-05 | 2002-04-10 | Basf公司 | 含单体和稳定剂的混合物 |
EP0845448B1 (en) * | 1996-12-02 | 2002-01-30 | Ondeo Nalco Energy Services, L.P. | Inhibiting polymerization of vinyl aromatic monomers |
US6274683B1 (en) | 1999-06-30 | 2001-08-14 | Uniroyal Chemical Company, Inc. | Test method for evaluating soluble polymer growth when recycling inhibitor streams |
ES2292487T3 (es) * | 1999-12-03 | 2008-03-16 | Chemtura Corporation | Composicion y metodo para inhibir la polimerizacion y el crecimiento polimerico. |
US6403850B1 (en) | 2000-01-18 | 2002-06-11 | Uniroyal Chemical Company, Inc. | Inhibition of polymerization of unsaturated monomers |
US6344560B1 (en) | 2000-05-03 | 2002-02-05 | Uniroyal Chemical Company, Inc. | Nitroaromatic solubilizer for nitroxyls in aromatic solvents |
WO2002033026A1 (en) | 2000-10-16 | 2002-04-25 | Uniroyal Chemical Company, Inc. | Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors |
US6685823B2 (en) * | 2000-10-16 | 2004-02-03 | Uniroyal Chemical Company, Inc. | C-nitrosoaniline compounds and their blends as polymerization inhibitors |
US7094939B1 (en) | 2002-09-23 | 2006-08-22 | Uop Llc | Styrene process with recycle from dehydrogenation zone |
US7553896B2 (en) * | 2005-06-17 | 2009-06-30 | Chemtura Corporation | Ortho-nitrosophenols as polymerization inhibitors |
GB0903005D0 (en) | 2009-02-23 | 2009-04-08 | Nufarm Ltd | Composition for controlling polymerisation |
US8771476B2 (en) * | 2009-07-17 | 2014-07-08 | Gtc Technology Lp | Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation |
GB201011594D0 (en) | 2010-07-09 | 2010-08-25 | Nufarm Uk Ltd | Retarder composition |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2757130A (en) * | 1952-11-03 | 1956-07-31 | Phillips Petroleum Co | Purification of heterocyclic nitrogen compounds |
US2959626A (en) * | 1957-07-15 | 1960-11-08 | Cosden Petroleum Corp | Process for the production of styrenegrade ethyl benzene |
US3209044A (en) * | 1961-04-21 | 1965-09-28 | Cosden Oil & Chem Co | C8 aromatics processing |
US3281337A (en) * | 1963-05-29 | 1966-10-25 | Foster Wheeler Corp | Fractionation of c8-aromatics |
US3408265A (en) * | 1966-11-22 | 1968-10-29 | Universal Oil Prod Co | Recovery of styrene from ethyl benzene by a single column distillation with styrene vapor side draw |
US3629076A (en) * | 1970-09-08 | 1971-12-21 | Universal Oil Prod Co | Distillation of styrene containing a polymerization inhibitor and contacting the bottoms stream with an alcohol |
US3904484A (en) * | 1972-09-07 | 1975-09-09 | Badger Co | Ethylbenzene-styrene separation |
US4033829A (en) * | 1974-12-26 | 1977-07-05 | Monsanto Company | Process for inhibiting polymerization of styrene during distillation |
US4105506A (en) * | 1977-02-24 | 1978-08-08 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
-
1978
- 1978-07-18 US US05/925,818 patent/US4252615A/en not_active Expired - Lifetime
-
1979
- 1979-05-02 CA CA326,788A patent/CA1130754A/en not_active Expired
- 1979-05-18 ZA ZA792423A patent/ZA792423B/xx unknown
- 1979-06-21 AR AR276999A patent/AR223490A1/es active
- 1979-06-22 AU AU48318/79A patent/AU530417B2/en not_active Ceased
- 1979-07-12 BR BR7904432A patent/BR7904432A/pt not_active IP Right Cessation
- 1979-07-18 JP JP9146379A patent/JPS5515500A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5515500A (en) | 1980-02-02 |
AU4831879A (en) | 1980-01-24 |
CA1130754A (en) | 1982-08-31 |
ZA792423B (en) | 1980-05-28 |
BR7904432A (pt) | 1980-05-13 |
US4252615A (en) | 1981-02-24 |
AU530417B2 (en) | 1983-07-14 |
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