| abstract |
A process, carried out in a closed system, for the recovery of liquid chemicals in a chemical production facility that includes a plurality of chemical handling devices (2, 4, 5, 7), in which that the residual chemical products are recovered from the respective handling devices, where the chemical products are (meth)acrolein, (meth)acrylic acid or esters of (meth)acrylic acid, the process comprising: removing the chemical products from the respective handling devices through their bottom discharge tubes; collecting the chemicals thus removed in a common collecting inclined tube (13) located in a lower position than the bottom discharge tubes and connected to the bottom discharge tubes; and supplying the chemicals through the inclined collection tube to a recovery tank (1) located at a lower position than the inclined collection tube and connected to the lower end of the inclined collection tube, wherein the inclined collection tube it is inclined towards the recovery tank with a downward slope of 1/100 to 3/100 to supply the chemicals by gravity through it, and it is installed in a trench formed in the ground. |