The demand for Limestone=Calcium Carbonate (LCC) has substantially grown up for the last three decades due to the widespread use of CaCO3 in many industrial applications, not only in construction but also in other important sectors (e.g., environmental, food, pharmaceutical, paper, etc.). LCC is currently produced within the quarry and in laboratory (during crushing, milling, washing, etc.). In dimension stone industry, almost 30% of the block (squared or shapeless) is lost during sawing=cutting=processing. In the case of the Orosei Marble (East Sardinia, Italy), the sludge deriving from processing is mainly composed of Calcium carbonate and it has a great potential as secondary raw material or by-product as long as the chemical properties of the sludge meet the parameters required by current environmental laws. The research presented in this paper aims to explain how tools wear out and how consumables end up in the sludge.
Marble processing for future uses of CaCO3-microfine dust: a study on wearing out of tools and consumable materials in stoneworking factories
CAREDDU, NICOLA;MARRAS, GRAZIELLA
2015-01-01
Abstract
The demand for Limestone=Calcium Carbonate (LCC) has substantially grown up for the last three decades due to the widespread use of CaCO3 in many industrial applications, not only in construction but also in other important sectors (e.g., environmental, food, pharmaceutical, paper, etc.). LCC is currently produced within the quarry and in laboratory (during crushing, milling, washing, etc.). In dimension stone industry, almost 30% of the block (squared or shapeless) is lost during sawing=cutting=processing. In the case of the Orosei Marble (East Sardinia, Italy), the sludge deriving from processing is mainly composed of Calcium carbonate and it has a great potential as secondary raw material or by-product as long as the chemical properties of the sludge meet the parameters required by current environmental laws. The research presented in this paper aims to explain how tools wear out and how consumables end up in the sludge.File | Dimensione | Formato | |
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56 - Marble processing for future uses of CaCO3-microfine dust_ a study on wearing out of tools and consumable materials in stoneworking factories.pdf
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56 - Marble processing for future uses of CaCO3-microfine dust_ a study on wearing out of tools and consumable materials in stoneworking factories (POSTPRINT DOI).pdf
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