Process for preparing in a continuous regime of mixtures of substances and reaction, and device for its realization.

Process for preparing in a continuous regime of an aqueous solution of a peroxycarboxylic acid equilibrium, comprising gathering the individual components forming the peroxycarboxylic acid solution in equilibrium, from the series of a lower carboxylic acid, particularly acetic acid, aqueous hydrogen peroxide, water and an inorganic acid catalyst, and allowing the mixture of substances in a container until a desired degree of conversion, characterized in that the individual components are taken from storage containers or distribution networks adjust and continuous streams of the individual components are formed, each component stream is conveyed via a controlled system comprising a device for measuring the flow of mass or volume step and a regulation member for regulating the flow rate, current quantitative of the individual components is regulated n of a proportion to the quantities mode with reference to the quantitative flow of a first component, and the volume flow regulated component of the mixture of substances are introduced directly, or after total or partial meeting individual volume flow rates, in a collection vessel, and the flow rate of the total current, formed from the individual streams, or the total amount of individual or partial streams introduced into the container is measured, and is balanced by the sum of the individual currents .