Dust Suppression- Wind Erosion
Have all the obvious methods been tried, or only considered? Vegitation planting is widely used for minesite remediation.
Michael Reid. ■
Re: Alternative Dust Suppression - Wind Erosion
Originally Posted by ycb123
I’m seeking advice on how to mitigate dust (both PM10 and TSP) caused by wind erosion from a large open pit mine.
Many of the more conventional approaches (water based sprays, binding agents, etc) have already been tried, and we are now seeking something outside the box.
Any suggestions would be greatly appreciated.
Regards,
Y.
Y, the success of any program is dependent on a quality product and effective application engineering. Some of the old "standard" conventional binding agents like latex polymers can be nothing more than "reject or waste stream from latex paint manufacturering" and as such often suffers from quality control. The better binding agents will have an additive to prevent UV degradation as the binder is basically watered down latex paint which can result in a very thin coating.
Application of even quality binders requires some expertise to acheive an even membrane coating without over treating some areas while undertreating in other areas.
Thanks,
Tom Westbrook
SBS Dust Management Technologies
sbsdust@att.net ■
Re: Alternative Dust Suppression - Wind Erosion
Originally Posted by Michael ReidMichael Reid.
Michael - Thanks for the response. The site has been established for quite some time, so most of the obvious methods have been tried or trialed (including revegitation). There has been some success with these but it would be really good to put some fresh ideas on the table which haven't been tested already.
Y ■
Dust Suppression Fog Cannon
One option you may consider is the use of a large Fog Cannon. They use the principle of applying a fine mist which will suppress airborne dust. For large scale applications they will actually minimise dust becoming airborne.
We have units with throws up to 250m which can be placed on the top of the quarry. The following web page includes information:
http://www.wetearth.com.au/Fog-Canno...e-Dust-Control
Toms suggestion of chemical crusting / binders is very good. Most environmentally friendly binders are designed to break down over time so you need to balance the environmental friendliness of the chemical vs its lifespan. We supply a polymer based crusting agent which which is Enviro friendly will provide a crust for up to 6-12 months, and an acrylic based one which will give 12-18 months. Just make sure you get copies of the MSDS sheets and run them past your Environmental people.
http://www.wetearth.com.au/Dust-suppression-chemicals
Nicholas Marks
Wet Earth
www.wetearth.com.au ■
Alternative Dust Suppression - Wind Erosion
Hi All,
I’m seeking advice on how to mitigate dust (both PM10 and TSP) caused by wind erosion from a large open pit mine.
Many of the more conventional approaches (water based sprays, binding agents, etc) have already been investigated, and we are now seeking something outside the box.
Any suggestions would be greatly appreciated.
Regards,
Y. ■