A co-generation system and a dehumidification air-conditioner

The invention relates to a gas turbine co-generation system and/or a dehumidifying and air-conditioning apparatus, comprising a gas-turbine unit (1), a compressor (2), a turbine (3), a dynamo (4), and a heat exchanger (5). There is an adsorption rotor (8), a mixing chamber (17) and a desiccant air-conditioning unit (19).