DE2235576B2 - - Google Patents

Info

Publication number
DE2235576B2
DE2235576B2 DE19722235576 DE2235576A DE2235576B2 DE 2235576 B2 DE2235576 B2 DE 2235576B2 DE 19722235576 DE19722235576 DE 19722235576 DE 2235576 A DE2235576 A DE 2235576A DE 2235576 B2 DE2235576 B2 DE 2235576B2
Authority
DE
Germany
Prior art keywords
acetone
cumene
wastewater
production
distillation
Prior art date
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.)
Granted
Application number
DE19722235576
Other languages
German (de)
English (en)
Other versions
DE2235576C3 (de
DE2235576A1 (de
Inventor
Guenter Althoff
Bruno Dipl.-Chem. Dr.-Ing. Hauschulz
Hans Schwermer
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.)
Ineos Phenol GmbH
Original Assignee
Phenolchemie GmbH and Co KG
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 Phenolchemie GmbH and Co KG filed Critical Phenolchemie GmbH and Co KG
Priority claimed from DE19722235576 external-priority patent/DE2235576C3/de
Priority to DE19722235576 priority Critical patent/DE2235576C3/de
Priority to AT629973A priority patent/AT320606B/de
Priority to DD17233673A priority patent/DD106352A5/xx
Priority to CS516273A priority patent/CS198124B2/cs
Priority to CA176,707A priority patent/CA1003130A/en
Priority to CH1046973A priority patent/CH583160A5/xx
Priority to GB3423773A priority patent/GB1374398A/en
Priority to IT2670973A priority patent/IT994971B/it
Priority to NL7310048A priority patent/NL7310048A/xx
Priority to BE133645A priority patent/BE802545A/xx
Priority to JP8052673A priority patent/JPS4985013A/ja
Priority to PL16417173A priority patent/PL86177B1/pl
Priority to FR7326736A priority patent/FR2193806B1/fr
Publication of DE2235576A1 publication Critical patent/DE2235576A1/de
Publication of DE2235576B2 publication Critical patent/DE2235576B2/de
Publication of DE2235576C3 publication Critical patent/DE2235576C3/de
Application granted granted Critical
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
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
DE19722235576 1972-07-20 1972-07-20 Verfahren zur Gewinnung von Aceton aus acetonhaltigen Abwässern Expired DE2235576C3 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DE19722235576 DE2235576C3 (de) 1972-07-20 Verfahren zur Gewinnung von Aceton aus acetonhaltigen Abwässern
AT629973A AT320606B (de) 1972-07-20 1973-07-17 Verfahren zur Gewinnung von Aceton aus Acetonhaltigen Abwässern
DD17233673A DD106352A5 (US07696358-20100413-C00002.png) 1972-07-20 1973-07-18
CS516273A CS198124B2 (en) 1972-07-20 1973-07-18 Process for the separation of acetone from acetone waste water
CA176,707A CA1003130A (en) 1972-07-20 1973-07-18 Method of recovering acetone from waste water
CH1046973A CH583160A5 (US07696358-20100413-C00002.png) 1972-07-20 1973-07-18
GB3423773A GB1374398A (en) 1972-07-20 1973-07-18 Method of recovering acetone from waste water
IT2670973A IT994971B (it) 1972-07-20 1973-07-18 Procedimento per estrarre l acetone da acque di rifiuto che lo contengono
NL7310048A NL7310048A (US07696358-20100413-C00002.png) 1972-07-20 1973-07-19
BE133645A BE802545A (fr) 1972-07-20 1973-07-19 Procede de recuperation d'acetone a partir d'eaux residuaires en contenant
JP8052673A JPS4985013A (US07696358-20100413-C00002.png) 1972-07-20 1973-07-19
PL16417173A PL86177B1 (US07696358-20100413-C00002.png) 1972-07-20 1973-07-19
FR7326736A FR2193806B1 (US07696358-20100413-C00002.png) 1972-07-20 1973-07-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722235576 DE2235576C3 (de) 1972-07-20 Verfahren zur Gewinnung von Aceton aus acetonhaltigen Abwässern

Publications (3)

Publication Number Publication Date
DE2235576A1 DE2235576A1 (de) 1974-01-31
DE2235576B2 true DE2235576B2 (US07696358-20100413-C00002.png) 1975-06-05
DE2235576C3 DE2235576C3 (de) 1976-01-15

Family

ID=

Also Published As

Publication number Publication date
DD106352A5 (US07696358-20100413-C00002.png) 1974-06-12
IT994971B (it) 1975-10-20
FR2193806B1 (US07696358-20100413-C00002.png) 1977-05-13
CA1003130A (en) 1977-01-04
FR2193806A1 (US07696358-20100413-C00002.png) 1974-02-22
NL7310048A (US07696358-20100413-C00002.png) 1974-01-22
CH583160A5 (US07696358-20100413-C00002.png) 1976-12-31
CS198124B2 (en) 1980-05-30
GB1374398A (en) 1974-11-20
AT320606B (de) 1975-02-25
PL86177B1 (US07696358-20100413-C00002.png) 1976-05-31
DE2235576A1 (de) 1974-01-31
BE802545A (fr) 1973-11-16
JPS4985013A (US07696358-20100413-C00002.png) 1974-08-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee