BE720959A - - Google Patents

Info

Publication number
BE720959A
BE720959A BE720959DA BE720959A BE 720959 A BE720959 A BE 720959A BE 720959D A BE720959D A BE 720959DA BE 720959 A BE720959 A BE 720959A
Authority
BE
Belgium
Prior art keywords
glycol
spent
ethylene glycol
hydrogenation
water
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE720959A publication Critical patent/BE720959A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18—Polyhydroxylic acyclic alcohols
    • C07C31/20—Dihydroxylic alcohols
    • C07C31/202—Ethylene glycol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18—Polyhydroxylic acyclic alcohols
    • C07C31/20—Dihydroxylic alcohols
    • C07C31/205—1,3-Propanediol; 1,2-Propanediol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE720959D 1967-09-18 1968-09-17 BE720959A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66867067A 1967-09-18 1967-09-18

Publications (1)

Publication Number Publication Date
BE720959A true BE720959A (enExample) 1969-03-17

Family

ID=24683286

Family Applications (1)

Application Number Title Priority Date Filing Date
BE720959D BE720959A (enExample) 1967-09-18 1968-09-17

Country Status (1)

Country Link
BE (1) BE720959A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004076513A3 (en) * 2003-02-25 2004-12-16 Invista Tech Sarl Process for the manufacture of polyester via hydrogenation treatment of recycled diol
US7129316B2 (en) 2004-01-07 2006-10-31 Invista North America S.A R.L. Process for the manufacture of polyester via hydrogenation treatment of recycled diol

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004076513A3 (en) * 2003-02-25 2004-12-16 Invista Tech Sarl Process for the manufacture of polyester via hydrogenation treatment of recycled diol
US7129316B2 (en) 2004-01-07 2006-10-31 Invista North America S.A R.L. Process for the manufacture of polyester via hydrogenation treatment of recycled diol

Similar Documents

Publication Publication Date Title
AU654070B2 (en) Process for purifying acrylic acid in high purity in the production of acrylic acid
US4908477A (en) Removal of organic iodine compounds from carbonylation products of methanol methyl acetate and dimethyl ether
JP3232678B2 (ja) 酢酸の回収方法
FR2501673A1 (fr) Procede continu de production d'acide terephtalique
US4910349A (en) Catalyst production of tertiary butyl alcohol from tertiary butyl hydroperoxide
US4922034A (en) Catalyzed conversion of tertiary butyl hydroperoxide to tertiary butyl alcohol
FR2742150A1 (fr) Procede de production d'oxyde de propylene a partir d'hydroperoxyde d'ethylbenzene et de propylene
US4912266A (en) Catalytic decomposition of tertiary butyl hydroperoxide
JPH03291246A (ja) シクロヘキサノン及びシクロヘキサノールの混合物から不純物を除去する方法
FR2941452A1 (fr) Procede de purification de la fraction azeotropique generee lors de la synthese de l'acrylate de n,n-dimethyl aminoethyle
JPS58183641A (ja) （メタ）アクリル酸メチルの精製法
US5284552A (en) Method for refining methylnaphthalene-containing oil
BE631528A (enExample)
US3816523A (en) Process for the production and purification of benzoic acid
CA2155391A1 (en) Process for purifying alpha, beta - unsaturated esters
US3198843A (en) Purification of glycerine
FR2543544A1 (fr) Procede de decomposition d'un complexe d'acide orthobenzoyl-benzoique, de fluorure d'hydrogene et de trifluorure de bore
US3711539A (en) Nonsolvent air oxidation of p-xylene
JPH0834757A (ja) アクリル酸の精製法
US4399001A (en) Separating off organic iodine compounds from acetaldehyde-free carbonylation products of methanol, methyl acetate and dimethyl ether
JP2008534577A (ja) 水中におけるｐ−キシレンの液相酸化によるｐ−トルイル酸の製造方法
FR2774984A1 (fr) Purification du thiophene
US2980720A (en) Purification process for obtaining dibasic acids free of metal impurities
US4062904A (en) Removal of hydroxyl-, carboxy-, or amino substituents from aromatic compounds using a group VI B catalyst
JPS60252446A (ja) メタクリル酸の精製方法