FR2295938B1 - - Google Patents

Info

Publication number
FR2295938B1
FR2295938B1 FR7442628A FR7442628A FR2295938B1 FR 2295938 B1 FR2295938 B1 FR 2295938B1 FR 7442628 A FR7442628 A FR 7442628A FR 7442628 A FR7442628 A FR 7442628A FR 2295938 B1 FR2295938 B1 FR 2295938B1
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
FR7442628A
Other languages
French (fr)
Other versions
FR2295938A1 (en
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.)
Naphtachimie SA
Original Assignee
Naphtachimie SA
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 Naphtachimie SA filed Critical Naphtachimie SA
Priority to FR7442628A priority Critical patent/FR2295938A1/en
Priority to DE19752558039 priority patent/DE2558039C3/en
Publication of FR2295938A1 publication Critical patent/FR2295938A1/en
Application granted granted Critical
Publication of FR2295938B1 publication Critical patent/FR2295938B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
FR7442628A 1974-12-24 1974-12-24 Glycol recovery from solns. - contg. aldehydes, carboxylic acids and carboxylate salts, by contact with cation-and anion exchangers and distn. Granted FR2295938A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7442628A FR2295938A1 (en) 1974-12-24 1974-12-24 Glycol recovery from solns. - contg. aldehydes, carboxylic acids and carboxylate salts, by contact with cation-and anion exchangers and distn.
DE19752558039 DE2558039C3 (en) 1974-12-24 1975-12-22 Process for the production of ethylene glycol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7442628A FR2295938A1 (en) 1974-12-24 1974-12-24 Glycol recovery from solns. - contg. aldehydes, carboxylic acids and carboxylate salts, by contact with cation-and anion exchangers and distn.

Publications (2)

Publication Number Publication Date
FR2295938A1 FR2295938A1 (en) 1976-07-23
FR2295938B1 true FR2295938B1 (en) 1979-06-01

Family

ID=9146555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442628A Granted FR2295938A1 (en) 1974-12-24 1974-12-24 Glycol recovery from solns. - contg. aldehydes, carboxylic acids and carboxylate salts, by contact with cation-and anion exchangers and distn.

Country Status (2)

Country Link
DE (1) DE2558039C3 (en)
FR (1) FR2295938A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034134A (en) * 1989-12-27 1991-07-23 Union Carbide Chemicals And Plastics Technology Corporation Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes
DE19822165A1 (en) * 1998-05-16 1999-11-18 Ruhrgas Ag Process for drying a gas, esp. natural gas
US6187973B1 (en) 2000-04-06 2001-02-13 Scientific Design Company, Inc. Glycol purification
US6242655B1 (en) * 2000-07-11 2001-06-05 Scientific Design Company, Inc. Glycol purification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135271A (en) * 1937-07-29 1938-11-01 Us Ind Alcohol Co Method of recovering olefin oxides from gaseous mixtures and hydrolyzing to form corresponding glycols
US2409441A (en) * 1943-05-07 1946-10-15 Us Ind Chemicals Inc Production of glycols
GB595407A (en) * 1943-08-17 1947-12-04 American Cyanamid Co Production of pure glycol solutions
GB888144A (en) * 1957-05-29 1962-01-24 Skanska Attikfabriken Ab A method for the production of polyhydricalcohols
US3040104A (en) * 1959-05-11 1962-06-19 Atlas Chem Ind Purification of polyhydric alcohols
DE1668052C3 (en) * 1967-12-07 1975-01-30 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Process for purifying glycols
US3732320A (en) * 1969-11-18 1973-05-08 Cities Service Co Process for purifying ethylene glycol
JPS509B1 (en) * 1969-11-28 1975-01-06

Also Published As

Publication number Publication date
FR2295938A1 (en) 1976-07-23
DE2558039A1 (en) 1976-07-01
DE2558039B2 (en) 1979-01-18
DE2558039C3 (en) 1986-05-07

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse