Equilibrium reaction and gas/liquid reaction in a loop reactor

US7312364B2 · kind B2 · utility

Assignee

• GOLDSCHMIDT HOLDING GMBH · DE

Inventors

• Peter Cramers · Liestal, CH
• Gerhard Kettenbach · Weil am Rhein, DE
• Andreas Sellmann · Ratingen, DE
• Volker Zellmer · Bottrop, DE

Key dates

• Filing date: Jan 6, 2006
• Grant date: Dec 25, 2007
• Expiry date: Jun 17, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/00094
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for simultaneously performing two chemically successive reactions in a loop reactor, specifically reaction I) an optionally catalyzed equilibrium reaction between high-boiling liquid reactants, in which essentially one high boiler is formed as an intermediate and at least one low boiler as a by-product, and reaction II) a substantially diffusion-controlled reaction in which the liquid intermediate is reacted with at least one gaseous reactant to give the end product, wherein reactions (I) and (II), optionally after a start phase, are allowed to proceed simultaneously in the same apparatus, specifically loop reactor, and the loop reactor has a connectable gas-liquid circulation system coupled via an ejector mixing nozzle, in which circulated liquid phase is mixed in the ejector mixing nozzle with newly supplied gaseous reactant of reaction (II) (6) and/or gaseous reactant of reaction (II) aspirated by means of the ejector from the reactor via a connectable condenser (5), and fed to the reactor by a liquid jet ejector (2) for the reaction, the low-boiling by-product(s) of reaction (I) and also any low-boiling solvent being condensed and discharged i…