Installation and process for the fermentation of milk serum for producing lactic acid, ferments and bio-proteins

摘要

The fermentation installation comprises a container (1) made of steel having double wall (2), where water circulates, a thermostat to control fermentation at a variable temperature of 38-45[deg] C, and an unloading device with a stainless steel tube (5) for the production and collection of lactic acid. The unloading device is drilled along a surface placed vertically in the container and activated by a temporized solenoid valve positioned on the external terminal of the tube. The container has a conical shape in the lower part to form a settler. The fermentation installation comprises a container (1) made of steel having double wall (2), where water circulates, a thermostat to control fermentation at a variable temperature of 38-45[deg] C, and an unloading device with a stainless steel tube (5) for the production and collection of lactic acid. The unloading device is drilled along a surface placed vertically in the container and activated by a temporized solenoid valve positioned on the external terminal of the tube. The container has a conical shape in the lower part to form a settler from which the sediment is formed by ferments and recoverable bioproteins through the piping and the opening of the solenoid valve. A tube (3) is present on the bottom of the cone that connects a refrigerable cylindrical condenser reservoir (4) having dimensions of 1/30 with respect to the capacity of the upper cylindrical container. A piping with the serum is connected to the piping that leaves the reservoir for joining the tip of the reactor. A positive rotary (PR) pump is used for mixing the ferments and materials accumulated in the refrigerated tank with the serum derived from the cheese fabrication at the inlet of the piping. A level sensor is positioned on the tip of the reactor to adjust the filling. A pipe provided with a ball valve is arranged for a positive displacement (PV) pump to extract air and creating vacuum inside the reactor and a solenoid valve (E4) with the filter of 0.1 micron for filtering the air at the inlet. A pipe with a solenoid valve (E6) and a ball valve allows the entry of steam at 120[deg] C for washing the reactor. An independent claim is included for a process for the fermentation of lactose contained in serum derived from fabrication of goat cheese.