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Cleaning masonry - by electro-osmosis thus avoiding surface damage by abrasion or chemical attack
Cleaning masonry - by electro-osmosis thus avoiding surface damage by abrasion or chemical attack
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机译:清洁砖石-通过电渗透来避免磨损或化学腐蚀对表面的损害
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摘要
A pad of absorbent, porous material such a felt or sponge is soaked in distilled water and applied to the patches of powder resulting from efflorescent salts; a direct current is then passed through an anode and an electrode buried in the pad which produces an electro-osmosis effect decomposing the salt patch.
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