Use of limestone obtained from waste of the mussel cannery industry for the production of mortars

Kinetics of Hg(II) adsorption and desorption in calcined mussel shells

“…2a and b), as previously reported [20]. The observed structure is consistent with that previously reported for mussel shells [3].…”

Utilization of ground waste seashells in cement mortars for masonry and plastering

“…As a result, the internal morphology of mortar mixed with mussel shells has a structured mesh and smaller pores. Thus, the inclusion of mussel shells in mortar results in higher compressive and bending strengths than that of mortar mixed with limestone powder (Ballester et al, 2007).…”

“…The chemical composition of shells is >90% calcium carbonate (CaCO 3 ) by weight (Falade, 1995;Yoon et al, 2003Yoon et al, , 2004Yang et al, 2005;Ballester et al, 2007;Mosher et al, 2010); this composition is similar to limestone powder or dust-like stone powder from grinding limestone to produce Portland cement. Ground seashells also are used as an ingredient of cement or sand replacements in concrete production to save costs.…”

Shells from aquaculture: a valuable biomaterial, not a nuisance waste product

“…Further, the strength of the small oyster shell particle mix was improved with the addition of fly ash (a common byproduct of coal burning, and regularly added to Portland cement mixes; Yoon et al 2004). Another study, investigating the incorporation of mussel shell waste in Spain into mortars, found that differences in particle microstructure between quarried limestone (rounded particles) and mussel waste CaCO 3 (elongated prismatic particles) resulted in mussel waste-derived mortars showing improved setting times and final strength (Ballester et al 2007). The authors concluded that ground mussel shell waste could be incorporated into cement mixes, reducing the cement mix cost as well as the providing environmental benefits of reduced quarried limestone reliance.…”