FR2068757B1 - - Google Patents

Info

Publication number
FR2068757B1
FR2068757B1 FR707038246A FR7038246A FR2068757B1 FR 2068757 B1 FR2068757 B1 FR 2068757B1 FR 707038246 A FR707038246 A FR 707038246A FR 7038246 A FR7038246 A FR 7038246A FR 2068757 B1 FR2068757 B1 FR 2068757B1
Authority
FR
France
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
Application number
FR707038246A
Other versions
FR2068757A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hercules LLC
Original Assignee
Hercules LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hercules LLC filed Critical Hercules LLC
Publication of FR2068757A1 publication Critical patent/FR2068757A1/fr
Application granted granted Critical
Publication of FR2068757B1 publication Critical patent/FR2068757B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR707038246A 1969-10-16 1970-10-16 Expired FR2068757B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86701169A 1969-10-16 1969-10-16

Publications (2)

Publication Number Publication Date
FR2068757A1 FR2068757A1 (fr) 1971-09-03
FR2068757B1 true FR2068757B1 (fr) 1973-01-12

Family

ID=25348898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707038246A Expired FR2068757B1 (fr) 1969-10-16 1970-10-16

Country Status (5)

Country Link
US (1) US3672961A (fr)
JP (1) JPS55105629A (fr)
CA (1) CA931899A (fr)
FR (1) FR2068757B1 (fr)
GB (1) GB1284627A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612510C3 (de) * 1976-03-24 1978-10-05 Kraftwerk Union Ag, 4330 Muelheim Anordnung zur Abwasseraufbereitung
US4251325A (en) * 1978-03-04 1981-02-17 Bp Chemicals Limited Process for the removal of hydroxyacetone from phenol
JPS599532B2 (ja) * 1978-05-30 1984-03-03 三井化学株式会社 レゾルシンの回収方法
DE2964960D1 (en) * 1978-08-18 1983-04-07 Bp Chem Int Ltd Process for the production of a phenol and a carbonyl compound by the catalysed decomposition of an aromatic hydroperoxide
JPS55157531A (en) * 1979-05-25 1980-12-08 Sumitomo Chem Co Ltd Recovery of acetone
DE3160695D1 (en) * 1980-05-27 1983-09-01 Bp Chem Int Ltd Process for the recovery of pure acetone from cumene hydroperoxide cleavage reaction product
US4634796A (en) * 1985-03-25 1987-01-06 Lummus Crest, Inc. Production of high purity phenol
US4722769A (en) * 1986-04-24 1988-02-02 Allied Corporation Process for recovery of acetone
US5244545A (en) * 1991-10-09 1993-09-14 Eastman Kodak Company Process for removing acetone from carbonylation processes
US20090288940A1 (en) * 2008-05-20 2009-11-26 Smith Michael R Distillation Process
US20090288939A1 (en) * 2008-05-20 2009-11-26 Smith Michael R Distillation Apparatus
CN109701293B (zh) * 2019-02-28 2021-08-27 潍坊惠丰化工有限公司 一种溶剂置换缩合塔和生产无水甲醛的方法

Also Published As

Publication number Publication date
DE2050886A1 (de) 1971-05-06
FR2068757A1 (fr) 1971-09-03
DE2050886B2 (de) 1976-09-16
CA931899A (en) 1973-08-14
GB1284627A (en) 1972-08-09
US3672961A (en) 1972-06-27
JPS55105629A (en) 1980-08-13

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Legal Events

Date Code Title Description
ST Notification of lapse