Sodablasting uses baking soda and compressed air to remove dirt, paint, and oil from surfaces without damaging them. It is safe and effective for use in food preparation areas and high-traffic kitchens. The equipment used is similar to pressure cleaning, but works differently.
Sandblasting is a method of removing unwanted layers from a surface without damaging the surface itself. This process takes baking soda, the same chemical that makes baking soda, and blasts it through a pipe using compressed air. Sandblasting will remove layers of dirt, paint or oil from a surface. The process is very easy on hard surfaces because baking soda is much softer than metal and masonry. It’s also safe to use in food preparation areas and around people, as the chemical is essentially non-toxic.
The primary use for sandblasting is the removal of dirt and paint from a surface. The abrasive particles will impact the site and remove unwanted materials. As a result of baking soda’s chemical structure, it works equally well on hard contaminants, such as rust, or soft contaminants, such as oil. Additionally, the material is only toxic in very high doses, so it works well for cleaning high-traffic kitchens like those in hospitals and schools. This means that the same system can work in different areas without any modifications.
The secret to sodablasting lies in the baking soda itself. The chemical is very brittle, meaning it breaks down with very little applied force. This causes the particles to impact a surface and explode outward with great force. This force is applied across the entire point of impact, so even if some of it is directed towards the surface, most of it isn’t.
The smaller repelled particles push unwanted material away from the impact site. The impact of a single part of baking soda is much smaller, but when hundreds of thousands hit it all at once, the effect is much greater. Since most of the force is applied perpendicular to the impact site, the underlying surface is uninjured.
The equipment used for pressure cleaning looks very similar, but the tools used for sandblasting are a little different than most. The system consists of a compressor, an air tank, a tank containing the sodium bicarbonate, a hose and a nozzle. The user will often strap the equipment to their back or use a floor model with wheels. The main difference is in how the equipment works inside.
In most cases, pressure cleaning works by injecting an abrasive material into a pressurized air stream. Sodablasting is the exact opposite; the air pushes the baking soda directly. This moves more material in less time, but only works due to the high friability of the materials. If a blasting system were to operate in the same way, the hose would often clog and the low friability sand would damage surfaces before the user could stop it.
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