PROCESS FOR PRODUCING MONOCHLOROACETIC ACID FROM GLYCOLIC ACID

The disclosure is directed to a process for producing monochloroacetic acid from glycolic acid comprising contacting a liquid medium comprising glycolic acid and water with a hydrogen chloride-containing gas stream, resulting in the formation of a liquid medium into which hydrogen chloride has been...

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Bibliographische Detailangaben
Hauptverfasser:	PATIL, Bhaskar Sudhakar, RENKEMA, Eilertdina Henderika, VENEMAN, Rens, TEN KATE, Antoon Jacob Berend, VAN LARE, Cornelis Elizabeth Johannus, DIRIX, Carolina Anna Maria Christina, AHR, Mathieu Pierre
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The disclosure is directed to a process for producing monochloroacetic acid from glycolic acid comprising contacting a liquid medium comprising glycolic acid and water with a hydrogen chloride-containing gas stream, resulting in the formation of a liquid medium into which hydrogen chloride has been absorbed, and reacting the glycolic acid with the absorbed hydrogen chloride at a temperature of from about 120 °C to about 180 °C and at an absolute pressure of from about 0.5 MPa to about 2 MPa, wherein the hydrogen chloride-containing gas stream is provided during at least part of the absorption step and at least part of the reaction step in a continuous manner or intermittently in at least 2 portions.