The artificial sand making process will product pollutants also, what shoud we do to deal with the pollutant

To deal with the pollutants which be product in artificial sand making process, we should use the dust collection machine.
There is a web site about it you can visit and get the knowladge you want.
http://www.pakistancrushers.com/wordpress/2011/07/27/environmental-protection-for-artificial-sand-production/