Soda blasting is being touted as a green alternative to sand blasting. Instead of sand, the process uses bicarbonate of soda, commonly referred to as baking soda, as an abrasive moved by compressed air. According to the website sodaworks.com, soda is approved by the Food and Drug Administration and is environmentally safe and nonhazardous. The soda blasting material removes paint, rust and other foreign material without damaging metal or building materials.
Soda Blasting Cleanup
The soda blasting medium is in the shape of large crystals and resembles sugar or salt. The crystals shatter or explode when they strike the material being blasted. This action increases the cleaning force of the medium and results in a finer soda material accumulating at the work site.
Bicarbonate of soda is water soluble and nonhazardous. Wash the accumulated soda away from the blasting site and down any floor drains or other disposal site. Soda poses no environmental hazard and can be washed into storm sewers or other outdoor areas.
In situations where water cannot be used for cleanup, around electrical circuits for example, a vacuum can be used to clean up the soda. A strong suction is necessary to clean up the fine dust of the soda.
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