Method and system for preparing esters by acid and alcohol

Method and system for preparing esters by acid and alcohol

  • CN 101,519,349 A
  • Filed: 02/27/2008
  • Published: 09/02/2009
  • Est. Priority Date: 02/27/2008
  • Status: Active Application
First Claim
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1. one kind is utilized acid and the pure method of making the ester class, and it comprises the following steps:

  • (a) extract the liquid mixture that comprises acid and alcohol out by reactive distillation column, send into the effluent reactor that at least one is filled with catalyzer;

    (b) send the reaction product of described effluent reactor back to described reactive distillation column, and isolate first mixture that comprises alcohol, ester and water from cat head;

    (c) described first mixture is sent into the phase-splitting groove, isolate organic phase and water;

    And(d) from this organic phase, isolate the ester class of technical grade purity.

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