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Automatic reactor for catalytic microactivity studies.


The invention relates to a reaction device which is used to study the behaviour of a catalyst in the presence of reactants. The inventive device comprises: various different mass flow regulators, which are used to supply a known controlled stream of gases, a pump which supplies the system with liquid reactants from a container; a hot box, wherein have been placed a supply current evaporator  and preheater; a valve which can be used to select the process path; a reactor into which the catalyst is introduced inside a furnace ; a system which can be used to separate the liquid and gaseous products by means of cold condensation under pressure and which controls the pressure in the line of output gases; and a system for controlling the level in the decantation operation, said system being automated and computerised.

Gas-Liquid Separator comprising a capacitive level sensor


The invention relates to a gas/liquid separator comprising a capacitive level sensor, which is particularly suitable for systems that employ reduced volumes of fluids at high pressures. The inventive separator consists of a metal part comprising a borehole which is closed at the lower end thereof, such as to form a container. The aforementioned container comprises at least one gas inlet, one liquid outlet and one gas outlet. According to the invention, a cooling system, in the form of a Peltier cell that is in contact with the walls of the metal part. Generates the condensation of the liquid which is collected at the bottom of the container until the introduction of a probe which is electrically isolated from the system and which forms an electric condenser with the walls of the part. The capacity of the condenser varies according to the level of liquid in the container. In addition, a frequency signal is generated by means of an oscillator output signal that is proportional to the response from the sensor and, consequently, the height of the liquid in the container.

Servo-positioner for a micro-regulating valve.


The invention relates to a positioning system which is suitable for micrometric regulating valves. The invention comprises a micro-regulating valve which is connected to the shaft of a servomotor by means of a flexible coupler and which is fixed to the same using a support. The aforementioned motor is, in turn, coupled to a potentiometer which transmits the position of the shaft of the motor and, consequently, of the rod of the valve to a control system which compares a signal received from an external control system with the position of the value, the position of said valve being corrected with a movement of the motor. In this way, the invention constitutes a quick and precise positioning system which can operate at high pressures and with very low flow rates.

Method of immobilizing hydrocarbons inside submerged containers or of transporting said hydrocarbon to the surface, using the properties of supercritical fluids at a great depth.


The invention relates to a method of immobilizing a hydrocarbon contained inside a container submerged in the sea floor or of transporting said hydrocarbon to the surface using the pressure gradient between the pressure in the sea floor and the pressure generated at the lower opening of a hydrostatic column in which the fluid used as the supercritical fluid is gasified when same moves to non-extreme pressure conditions.

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