The grit is an abrasive blasting material used for the preparation of the metal surfaces in the ship building and ship repair processes prior the application of coatings. The waste is a spent grit used for sand blasting in the cleaning operations of tankers in the dock yard. This paper presents the modified properties (chemical composition, the shape and size of the particle) of the steel grit during the blasting process and the possibility of recycling the waste as a fine aggregate in the road construction industry. The management of solid waste from abrasive blasting is an issue which will be more frequently encountered in the future. While existing guidelines and regulations are available, a single resource which spans such a wide array of information does not currently exist. Future work should concentrate on collecting and summarizing best management practices for ABM (abrasive blast material) waste management in a format which could be used by the many industries which perform abrasive blasting, and the engineering and regulatory community. The recycling of spent sandblasting grit, commonly referred to as spent ABM, into asphalt concrete is investigated by the shipyard as an alternative to disposing the spent ABM in a landfill.
Recycling options for used sandblasting grit into road construction
2011
7 Seiten, 5 Bilder, 4 Tabellen, 7 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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