"air purification device and method for air purification in sensible environments." This invention refers to an air purification (2) device in sensitive environments. More specifically, this invention refers to an air purification device (2) comprising a purified air assembly (4) with an entrance, through which the air is vacuumed from the ventilated room by means of a fan provided inside the purified air assembly, the assembly of purified air, and a duct air (6) disposed of in an adjustable manner,the said air duct carries air from the purified air assembly to an exhaust air distributor unit (8) which is prepared for the assembly of purified air, where a grid (10) is provided to distribute purified air, the grid comprising at least one pressure-drop (12) implementing medium provided to level the exhaust air speed and distribute a low turbulence or laminate air flow in the air purification device at least one air purification filter, the air purification device (2) being one unit (14, 18) which is prepared to be mobile in the environment,the exhaust air distribution unit can be moved and directed in such a way that the laminar/low turbulence air flow is distributed where desired in the environment. This invention also refers to the use of an air purification device and a method for obtaining an air purification device."dispositivo para purificação de ar e método para purificação de ar em ambientes sensínveis". a presente invenção refere-se a um dispositivo para purificação de ar (2) em ambientes sensíveis. mais especificamente, a presente invenção refere-se a um dispositivo para purificação de ar (2) compreendendo uma montagem de ar purificado (4) com uma entrada, através da qual o ar é aspirado da sala ventilada por meio de um ventilador disposto no interior da montagem de ar purificado, a montagem de ar purificado compreendendo ainda um duto de ar (6) disposto de forma ajustável, o dito duto de ar transporta o ar da montagem de ar purificado para uma unidade distr
