Air Purifier

Dear freelancers, I want to make the noiseless and eye burn less air purifier which can be use in critical places like O.T.,I.c.c.u etc. IT can be connect through the central line. The equipment will be portable and it will be moveable with trolley. The equipment will be used as the fumingation also. Pls bid if you have the knowledge about the bio medical,mechanical and ec engineering. THank you