IT1191621B - PROCEDURE FOR THE SEPARATION AND RECOVERY OF TERT-BUTYLSTYRENE - Google Patents
PROCEDURE FOR THE SEPARATION AND RECOVERY OF TERT-BUTYLSTYRENEInfo
- Publication number
- IT1191621B IT1191621B IT21155/85A IT2115585A IT1191621B IT 1191621 B IT1191621 B IT 1191621B IT 21155/85 A IT21155/85 A IT 21155/85A IT 2115585 A IT2115585 A IT 2115585A IT 1191621 B IT1191621 B IT 1191621B
- Authority
- IT
- Italy
- Prior art keywords
- butylstyrene
- tert
- recovery
- separation
- procedure
- Prior art date
Links
- DXIJHCSGLOHNES-UHFFFAOYSA-N 3,3-dimethylbut-1-enylbenzene Chemical compound CC(C)(C)C=CC1=CC=CC=C1 DXIJHCSGLOHNES-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
- C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
- C07C15/46—Styrene; Ring-alkylated styrenes
-
- 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
-
- 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
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64626684A | 1984-08-31 | 1984-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8521155A0 IT8521155A0 (en) | 1985-06-14 |
| IT1191621B true IT1191621B (en) | 1988-03-23 |
Family
ID=24592398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21155/85A IT1191621B (en) | 1984-08-31 | 1985-06-14 | PROCEDURE FOR THE SEPARATION AND RECOVERY OF TERT-BUTYLSTYRENE |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS6160622A (en) |
| AU (1) | AU577391B2 (en) |
| BE (1) | BE902873A (en) |
| BR (1) | BR8504172A (en) |
| CA (1) | CA1226239A (en) |
| DE (1) | DE3530750A1 (en) |
| FR (1) | FR2569688B1 (en) |
| GB (1) | GB2163773B (en) |
| IT (1) | IT1191621B (en) |
| NZ (1) | NZ212659A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006254850A (en) * | 2005-03-18 | 2006-09-28 | Yanmar Co Ltd | Reaping blade apparatus and reaping apparatus |
| DE102006029318B3 (en) * | 2006-06-23 | 2007-10-11 | Röhm Gmbh | Continuous preparation of unsaturated carboxylic acid anhydride comprises reacting a ketene with an unsaturated carboxylic acid in apparatus comprising reaction mediums, and collecting the anhydride from rectification column |
| DE102006029320B3 (en) * | 2006-06-23 | 2007-10-11 | Röhm Gmbh | Continuous preparation of unsaturated carboxylic acid anhydride comprises anhydrating aliphatic carboxylic acid anhydride with carboxylic acid in rectification column, recycling the non-reacted educt in reaction medium and collecting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL64177C (en) * | 1943-02-08 | |||
| NL278143A (en) * | 1961-05-08 | |||
| DE1468319A1 (en) * | 1964-05-22 | 1968-11-28 | Metallgesellschaft Ag | Process for the production of pure aromatics from aromatic hydrocarbon mixtures |
| IT971310B (en) * | 1972-11-29 | 1974-04-30 | Snam Progetti | PROCEDURE FOR THE SEPARATION OF A HIGH PURITY AROMATIC VINYL HYDROCARBE FROM HYDRO CARBON MIXTURES THAT CONTAIN IT |
| CA1053601A (en) * | 1974-05-30 | 1979-05-01 | Martin R. Cines | Extractive distillation |
-
1985
- 1985-04-30 GB GB08510898A patent/GB2163773B/en not_active Expired
- 1985-05-06 CA CA000480798A patent/CA1226239A/en not_active Expired
- 1985-06-13 JP JP60127271A patent/JPS6160622A/en active Pending
- 1985-06-14 IT IT21155/85A patent/IT1191621B/en active
- 1985-07-04 AU AU44591/85A patent/AU577391B2/en not_active Ceased
- 1985-07-05 NZ NZ212659A patent/NZ212659A/en unknown
- 1985-07-10 FR FR8510545A patent/FR2569688B1/en not_active Expired
- 1985-07-12 BE BE0/215336A patent/BE902873A/en not_active IP Right Cessation
- 1985-08-28 DE DE19853530750 patent/DE3530750A1/en not_active Withdrawn
- 1985-08-29 BR BR8504172A patent/BR8504172A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NZ212659A (en) | 1988-09-29 |
| GB8510898D0 (en) | 1985-06-05 |
| CA1226239A (en) | 1987-09-01 |
| GB2163773A (en) | 1986-03-05 |
| GB2163773B (en) | 1988-04-20 |
| AU4459185A (en) | 1986-03-06 |
| AU577391B2 (en) | 1988-09-22 |
| FR2569688A1 (en) | 1986-03-07 |
| DE3530750A1 (en) | 1986-03-06 |
| BR8504172A (en) | 1986-06-24 |
| FR2569688B1 (en) | 1988-07-08 |
| BE902873A (en) | 1986-01-13 |
| IT8521155A0 (en) | 1985-06-14 |
| JPS6160622A (en) | 1986-03-28 |
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