Patent ID: 8118973

Claim:
A method of treating a dry fibrous web, mat and/or blanket with one or more liquid de-dusting agents comprising the steps of; a) passing the dry fibrous web, mat and/or blanket through a de-dusting agent(s) application system comprising one or more atomizers or generators for producing a stream of liquid droplets of one or more de-dusting agents, the majority of the droplets having a diameter of less than 2 microns and a mean diameter of less than about 900 nanometers, into an atomization chamber containing a moving air stream to form an air suspension of said droplets, one or more fans for passing said air suspension through the dry fibrous mat, web and/or blanket to deposit said droplets onto the surfaces of fibers in the fibrous mat, web and/or blanket, and b) using the de-dusting agent(s) application system to deposit the droplets of one or more de-dusting agents onto the surfaces of the fibers in the fibrous web, mat and/or blanket to achieve the desired amount of de-dusting agent(s) in a finished fibrous web, mat and/or blanket product.