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    Reactive Distillation for Solvent Regeneration after Biphasic Carboxylic Acid Esterification

    New search for: Toth, Andreas
    New search for: Siebenhofer, Matthäus
    New search for: Lux, Susanne

    Emulsion‐enhanced biphasic esterification has proven to be applicable for carboxylic acid recovery from dilute aqueous process streams. The carboxylic acid is esterified with 1‐octanol in an emulsified regime with 4‐dodecylbenzenesulfonic acid (4‐DBSA) or Ni(DBSA)2 as catalyst. After phase separation, the laden solvent phase must be regenerated. This study presents a regeneration concept based on reactive distillation with transesterification of the octyl ester‐laden solvent with methanol. The regenerated solvent is reused in the extraction step.

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    Reactive Distillation for Solvent Regeneration after Biphasic Carboxylic Acid Esterification

    New search for: Toth, Andreas
    New search for: Siebenhofer, Matthäus
    New search for: Lux, Susanne

    Emulsion‐enhanced biphasic esterification has proven to be applicable for carboxylic acid recovery from dilute aqueous process streams. The carboxylic acid is esterified with 1‐octanol in an emulsified regime with 4‐dodecylbenzenesulfonic acid (4‐DBSA) or Ni(DBSA)2 as catalyst. After phase separation, the laden solvent phase must be regenerated. This study presents a regeneration concept based on reactive distillation with transesterification of the octyl ester‐laden solvent with methanol. The regenerated solvent is reused in the extraction step.

    Access

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    Order at Subito €

    Reactive Distillation for Solvent Regeneration after Biphasic Carboxylic Acid Esterification

    New search for: Toth, Andreas
    New search for: Siebenhofer, Matthäus
    New search for: Lux, Susanne

    Emulsion‐enhanced biphasic esterification has proven to be applicable for carboxylic acid recovery from dilute aqueous process streams. The carboxylic acid is esterified with 1‐octanol in an emulsified regime with 4‐dodecylbenzenesulfonic acid (4‐DBSA) or Ni(DBSA)2 as catalyst. After phase separation, the laden solvent phase must be regenerated. This study presents a regeneration concept based on reactive distillation with transesterification of the octyl ester‐laden solvent with methanol. The regenerated solvent is reused in the extraction step.

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    Title:

    Reactive Distillation for Solvent Regeneration after Biphasic Carboxylic Acid Esterification

    Contributors:

    Toth, Andreas (author) / Siebenhofer, Matthäus (author) / Lux, Susanne (author)

    Published in:

    Chemie Ingenieur Technik ; 93 ; 1493-1501

    Publication date:

    2021-10-01

    Size:

    9 pages

    ISSN:

    0009-286X , 1522-2640

    DOI:

    https://doi.org/10.1002/cite.202100074

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Carboxylic acid , Solvent regeneration , Reactive distillation , Transesterification , Metallosurfactants

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