Abstract
The cleaning-up of fuel contaminated stones by submerging them in solutions of H2O2 and metallic salts is described as a mechanical process that takes 15 min to completely detach the black layer in the dark and 8 min under sunlight.
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Two Spanish patents have been granted to Universitat Autònoma de Barcelona (UAB): José Luis Bourdelande Fernández, Jordi Marquet Cortés, Raúl Herance Camacho and Úrsula Balduzzi Baruzzi, Universitat Autònoma de Barcelona, SP200300643 and SP200300889. The UAB will authorize the free use of both patents to those administrations affected by fuel accidents that have to clean public areas
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Bourdelande, J.L., Marquet, J., Herance, J.R. et al. Cleaning-up of oil taint stones by using H2O2, metallic salts and light. Photochem Photobiol Sci 3, 329–330 (2004). https://doi.org/10.1039/b400304g
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DOI: https://doi.org/10.1039/b400304g