PROCESS FOR PREPARING CAPROLACTAM

THE INVENTION RELATES TO A PROCESS FOR PREPARING CAPLOLACTAM BY BECKMANN REARRANGEMENT OF CCLOHEXANONE OXIME BY FEEDING CYCLOHEXANONE OXIME TO A REACTION MIXTURE COMPRISING (I) SULFURIC ACID (II) SO₃ AND (III) CAPROLACTAM, WHEREIN THE SO₃ CONTENT OF THE REACTION MIXTURE IS BETWEEN 9 AND 20 WT %.AND...

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Hauptverfasser:	LEMMENS JOANNES ALBERTUS WILHELMUS, SMEETS THEODORUS MARIA, THOMISSEN PETRUS JOZEF HUBERTUS
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	THE INVENTION RELATES TO A PROCESS FOR PREPARING CAPLOLACTAM BY BECKMANN REARRANGEMENT OF CCLOHEXANONE OXIME BY FEEDING CYCLOHEXANONE OXIME TO A REACTION MIXTURE COMPRISING (I) SULFURIC ACID (II) SO₃ AND (III) CAPROLACTAM, WHEREIN THE SO₃ CONTENT OF THE REACTION MIXTURE IS BETWEEN 9 AND 20 WT %.AND THE MOLAR RATIO M OF THE REACTION MIXTURE DEFINED AS (ns03 + Nh2s04)/ncap IS BETWEEN 1 AND 1.4, WHEREIN ns03= QUANTITY OF SO₃ IN REACTION MIXTURE, IN MOL NH2S04= QUANTITY OF H₂SO₄IN REACTION MIXTURE, IN MOL Ncap= QUANTITY OF CAPROLACTAM IN REACTION MIXTURE, IN MOL.