Abstract: Improved method for separating gases from a gas mixture, whereby the gas mixture to be treated is led through a membrane separator (3) by means of a compressor installation (2) and whereby the compressed gas mixture to be treated is cooled in the compressor installation (2), among others in order to separate condensate from the gas mixture, after which, as it leaves the compressor installation (2), it will be re-heated before it ends up in the membrane separator (3), characterized in that, in order to re-heat the gas mixture to be treated as it leaves the compressor installation (2), use is made of the recuperation heat of the compressor installation (2) itself.

Abstract: Gas drying device, consisting of a desiccant dryer (2) which makes use of a pressure tank (4) with a drying zone (5) and a regeneration zone (6), with an adsorption and/or absorption medium (7) which is alternately guided through the drying zone (5) and the regeneration zone (6); a primary circuit (8) in which the abovementioned desiccant dryer (2) is included, which makes it possible to guide the gas to be dried through the drying zone (5) of the desiccant dryer (2); a secondary circuit (9) which makes it possible for a part of the gas to be dried to be guided through the regeneration zone (6) of the desiccant dryer (2) and to absorb moisture there, characterized in that the device also contains a cooling dryer (1) which is inserted upstream the abovementioned desiccant dryer (2) in the primary circuit (8).

Abstract: Method for drying a gas from a compressor (1) by means of a drier (2) of the type which consists of a pressure tank (3) with a drying zone (4) and a regeneration zone (5), with a rotor (6) which is composed of a drying element (7) in which has been provided an adsorption and/or absorption medium (8) which is alternately put through the drying zone (4) and the regeneration zone (5), characterised in that at a low load or zero load, the inlet of the regeneration zone (5) is connected to the user network (12) via a regeneration pipe (27), and in that the outlet of the regeneration zone (5) is connected to the atmosphere.

Abstract: Method for drying a gas from a compressor (1) by means of a drier (2) of the type which consists of a pressure tank (3) with a drying zone (4) and a regeneration zone (5), with a rotor (6) which is composed of a drying element (7) in which has been provided an adsorption and/or absorption medium (8) which is alternately put through the drying zone (4) and the regeneration zone (5), characterised in that at a low load or zero load, the inlet of the regeneration zone (5) is connected to the user network (12) via a regeneration pipe (27), and in that the outlet of the regeneration zone (5) is connected to the atmosphere.

Abstract: Gas drying device, consisting of a desiccant dryer (2) which makes use of a pressure tank (4) with a drying zone (5) and a regeneration zone (6), with an adsorption and/or absorption medium (7) which is alternately guided through the drying zone (5) and the regeneration zone (6); a primary circuit (8) in which the above-mentioned desiccant dryer (2) is included, which makes it possible to guide the gas to be dried through the drying zone (5) of the desiccant dryer (2); a secondary circuit (9) which makes it possible for a part of the gas to be dried to be guided through the regeneration zone (6) of the desiccant dryer (2) and to absorb moisture there, characterised in that the device also contains a cooling dryer (1) which is inserted upstream the abovementioned desiccant dryer (2) in the primary circuit (8).