IT1186714B - Raffinazione di terz-butil stirene - Google Patents
Raffinazione di terz-butil stireneInfo
- Publication number
- IT1186714B IT1186714B IT20955/85A IT2095585A IT1186714B IT 1186714 B IT1186714 B IT 1186714B IT 20955/85 A IT20955/85 A IT 20955/85A IT 2095585 A IT2095585 A IT 2095585A IT 1186714 B IT1186714 B IT 1186714B
- Authority
- IT
- Italy
- Prior art keywords
- terz
- butil
- refining
- styrene
- refining terz
- 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
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
-
- 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
- C07C7/20—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/646,267 US4514261A (en) | 1984-08-31 | 1984-08-31 | Refining of tertiary butylstyrene |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8520955A0 IT8520955A0 (it) | 1985-05-30 |
IT1186714B true IT1186714B (it) | 1987-12-16 |
Family
ID=24592404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20955/85A IT1186714B (it) | 1984-08-31 | 1985-05-30 | Raffinazione di terz-butil stirene |
Country Status (12)
Country | Link |
---|---|
US (1) | US4514261A (it) |
JP (1) | JPS6160623A (it) |
AT (1) | AT392269B (it) |
AU (1) | AU573354B2 (it) |
BE (1) | BE902823A (it) |
BR (1) | BR8504170A (it) |
CA (1) | CA1220758A (it) |
DE (1) | DE3530752A1 (it) |
FR (1) | FR2569687B1 (it) |
GB (1) | GB2163772B (it) |
IT (1) | IT1186714B (it) |
NZ (1) | NZ212660A (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4543438A (en) * | 1984-12-24 | 1985-09-24 | El Paso Products Company | Tertiary-butylstyrene recovery |
US4543437A (en) * | 1984-12-24 | 1985-09-24 | El Paso Products Company | Refining of tertiary butylstyrene |
ZA972966B (en) * | 1996-05-21 | 1997-11-21 | Glitsch Int Inc | Recovery of styrene from purolysis gasoline by extractive distillation. |
US8771476B2 (en) | 2009-07-17 | 2014-07-08 | Gtc Technology Lp | Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL64177C (it) * | 1943-02-08 | |||
NL128650C (it) * | 1961-03-23 | |||
BE617340A (it) * | 1961-05-08 | |||
DE1468319A1 (de) * | 1964-05-22 | 1968-11-28 | Metallgesellschaft Ag | Verfahren zur Gewinnung von Reinaromaten aus aromatenhaltigen Kohlenwasserstoff-Gemischen |
US3466344A (en) * | 1967-05-29 | 1969-09-09 | Universal Oil Prod Co | Solvent extraction of aromatic hydrocarbons |
US3605850A (en) * | 1969-01-31 | 1971-09-20 | Universal Oil Prod Co | Volatile separation apparatus for thermally unstable organic compounds |
FR2057494A5 (en) * | 1969-08-22 | 1971-05-21 | Universal Oil Prod Co | Solvent extraction of aromatic hydrocracked- - bons |
US3706811A (en) * | 1970-09-16 | 1972-12-19 | Marathon Oil Co | Oxidative dealkylation and dehydrogenation of tert-alkyl aromatics |
IT971310B (it) * | 1972-11-29 | 1974-04-30 | Snam Progetti | Procedimento per la separazione di un idrocarburo vinil aromatico ad elevata purezza da miscele idro carburiche che lo contengono |
CA1053601A (en) * | 1974-05-30 | 1979-05-01 | Martin R. Cines | Extractive distillation |
US4033829A (en) * | 1974-12-26 | 1977-07-05 | Monsanto Company | Process for inhibiting polymerization of styrene during distillation |
US4040911A (en) * | 1976-01-02 | 1977-08-09 | Gulf Research & Development Company | Process for inhibiting the polymerization of styrene |
US4086147A (en) * | 1976-12-10 | 1978-04-25 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
US4182658A (en) * | 1977-11-23 | 1980-01-08 | Cosden Technology, Inc. | Emergency polymerization inhibitor system for vinyl aromatic compounds |
BE875237R (fr) * | 1978-07-18 | 1979-07-16 | Cosden Technology | Procede pour inhiber la polymerisation de composes vinylaromatiques facilement polymerisables |
US4291183A (en) * | 1980-01-29 | 1981-09-22 | El Paso Products Company | Production of tertiary-butylstyrene |
NL8200653A (nl) * | 1982-02-18 | 1983-09-16 | Dow Chemical Nederland | Werkwijze voor het afscheiden van ethylenisch onverzadigde koolwaterstoffen uit een koolwaterstofmengsel. |
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 |
-
1984
- 1984-08-31 US US06/646,267 patent/US4514261A/en not_active Expired - Fee Related
-
1985
- 1985-04-30 GB GB08510897A patent/GB2163772B/en not_active Expired
- 1985-05-06 CA CA000480799A patent/CA1220758A/en not_active Expired
- 1985-05-30 FR FR858508142A patent/FR2569687B1/fr not_active Expired
- 1985-05-30 IT IT20955/85A patent/IT1186714B/it active
- 1985-06-13 JP JP60127272A patent/JPS6160623A/ja active Pending
- 1985-07-04 AU AU44586/85A patent/AU573354B2/en not_active Ceased
- 1985-07-05 NZ NZ212660A patent/NZ212660A/xx unknown
- 1985-07-05 BE BE0/215305A patent/BE902823A/fr not_active IP Right Cessation
- 1985-07-17 AT AT2114/85A patent/AT392269B/de not_active IP Right Cessation
- 1985-08-28 DE DE19853530752 patent/DE3530752A1/de not_active Withdrawn
- 1985-08-29 BR BR8504170A patent/BR8504170A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
CA1220758A (en) | 1987-04-21 |
FR2569687A1 (fr) | 1986-03-07 |
GB2163772A (en) | 1986-03-05 |
GB2163772B (en) | 1988-06-29 |
ATA211485A (de) | 1990-08-15 |
JPS6160623A (ja) | 1986-03-28 |
NZ212660A (en) | 1988-07-28 |
GB8510897D0 (en) | 1985-06-05 |
DE3530752A1 (de) | 1986-03-13 |
BR8504170A (pt) | 1986-06-24 |
AU573354B2 (en) | 1988-06-02 |
IT8520955A0 (it) | 1985-05-30 |
AU4458685A (en) | 1986-03-06 |
US4514261A (en) | 1985-04-30 |
BE902823A (fr) | 1986-01-06 |
FR2569687B1 (fr) | 1989-03-03 |
AT392269B (de) | 1991-02-25 |
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