New Material Perspective for Waste Seashells by Covalent Functionalization

Magnabosco, Giulia; Giuri, Demetra; Bisceglie, Anna Paola Di; Scarpino, Francesco; Fermani, Simona; Tomasini, Claudia; Falini, Giuseppe

doi:10.1021/acssuschemeng.1c01306

Cited by 18 publications

(16 citation statements)

References 35 publications

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“…Taking into account these considerations, an innovative approach can be the waste mollusk shell valorization exploiting some of the unique features of biominerals, which are effectively biomaterials due to their physiochemical features and organic–inorganic composite structures. , Magnabosco et al took advantage of the unique presence of the intraskeletal organic matrix to obtain covalent bond functionalization . The intraskeletal organic matrix was also exploited to favor the polymeric coating of oyster shell particles to improve their metal ion adsorption .…”

Section: Introductionmentioning

confidence: 99%

“… 1 , 20 Magnabosco et al took advantage of the unique presence of the intraskeletal organic matrix to obtain covalent bond functionalization. 21 The intraskeletal organic matrix was also exploited to favor the polymeric coating of oyster shell particles to improve their metal ion adsorption. 22 The calcite fibers from the prismatic layer of the Mytilus edulis shell were used to obtain spherical aggregates of calcite fibers, exploiting their peculiar aspect ratio.…”

Section: Introductionmentioning

confidence: 99%

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Recovering and Exploiting Aragonite and Calcite Single Crystals with Biologically Controlled Shapes from Mussel Shells

Triunfo¹,

Gärtner

Marchini³

et al. 2022

ACS Omega

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Control over the shape and morphology of single crystals is a theme of great interest in fundamental science and for technological application. Many synthetic strategies to achieve this goal are inspired by biomineralization processes. Indeed, organisms are able to produce crystals with high fidelity in shape and morphology utilizing macromolecules that act as modifiers. An alternative strategy can be the recovery of crystals from biomineralization products, in this case, seashells. In particular, waste mussel shells from aquaculture are considered. They are mainly built up of single crystals of calcite fibers and aragonite tablets forming an outer and an inner layer, respectively. A simple mechanochemical treatment has been developed to separate and recover these two typologies of single crystals. The characterization of these single crystals showed peculiar properties with respect to the calcium carbonate from quarry or synthesis. We exploited these biomaterials in the water remediation field using them as substrate adsorbing dyes. We found that these substrates show a high capability of adsorption for anionic dye, such as Eosin Y, but a low capability of adsorption for cationic dyes, such as Blue Methylene. The adsorption was reversible at pH 5.6. This application represents just an example of the potential use of these biogenic single crystals. We also envision potential applications as reinforcing fillers and optical devices.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Recovering and Exploiting Aragonite and Calcite Single Crystals with Biologically Controlled Shapes from Mussel Shells

Triunfo¹,

Gärtner

Marchini³

et al. 2022

ACS Omega

Self Cite

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“…Further, Asian green mussel shells are a biological waste with a high carbonate mineral concentration [19,20]. These shells account for approximately 31-33 percent of the total weight of mussels, which are typically discarded in landfills [21,22].…”

Section: Introductionmentioning

confidence: 99%

Utilization of green mussel shell waste for calcium carbonate synthesis through the carbonation method with temperature variation

Prihanto

Muryanto

Ismail

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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In this study, PCC (precipitate calcium carbonate) was synthesized from green mussel shell waste via calcination and subsequent carbonation methods. Organic substances were removed from green mussel shell powder using a 5-hour calcination at 900 °C. Furthermore, the carbonation method was used in the Ca (NO3)2 solution at constant stirring speed with pH control by NH4OH, followed by the injection of carbon dioxide at 50, 70, and 90 °C temperature variations to precipitate calcium as CaCO3 (PCC). According to Rietveld’s quantitative XRD analysis, PCC products at 50 °C, 70 °C, and 90 °C exhibited primarily calcite and aragonite phases, with a significant needle-like morphology of aragonite growth during synthesis. Aragonite growth appears to have increased with increasing temperature. The results show that a simple, low-cost approach to green recycling works.

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“…Open-air accumulation of abandoned shells is a potential habitat for microbes that attract organisms that are the carriers of possible diseases, causing public health problems [ 14 ]. The practical solution to this problem is to recycle these shells as raw materials to develop new green building materials [ 15 ]. In China, however, the utilization of discarded shells is less than 30%.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Use of Waste Oyster Shell Powders in a Ternary Supplementary Cementitious Material System for Green Concrete

et al. 2022

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The increasing concern for decarbonization and sustainability in construction materials is calling for green binders to partially replace cement since its production is responsible for approximately 8% of global anthropogenic greenhouse gas emissions. Supplementary cementitious materials (SCMs), including fly ash, slag, silica fume, etc., can be used as a partial replacement for ordinary Portland cement (OPC) owing to reduced carbon dioxide emissions associated with OPC production. This study aims to investigate the sustainable use of waste oyster shell powder (OSP)-lithium slag (LS)-ground granulated blast furnace slag (GGBFS) ternary SCM system in green concrete. The effect of ternary SCMs to OPC ratio (0%, 10%, 20%, and 30%) on compressive strength and permeability of the green concrete were studied. The reaction products of the concrete containing OSP-LS-GGBFS SCM system were characterized by SEM and thermogravimetric analyses. The results obtained from this study revealed that the compressive strength of concrete mixed with ternary SCMs are improved compared with the reference specimens. The OSP-LS-GGBFS ternary SCMs-based mortars exhibited a lower porosity and permeability compared to the control specimens. However, when the substitution rate was 30%, the two parameters showed a decline. In addition, the samples incorporating ternary SCMs had a more refined pore structure and lower permeability than that of specimens adding OSP alone. This work expands the possibility of valorization of OSP for sustainable construction materials.

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New Material Perspective for Waste Seashells by Covalent Functionalization

Cited by 18 publications

References 35 publications

Recovering and Exploiting Aragonite and Calcite Single Crystals with Biologically Controlled Shapes from Mussel Shells

Recovering and Exploiting Aragonite and Calcite Single Crystals with Biologically Controlled Shapes from Mussel Shells

Utilization of green mussel shell waste for calcium carbonate synthesis through the carbonation method with temperature variation

Sustainable Use of Waste Oyster Shell Powders in a Ternary Supplementary Cementitious Material System for Green Concrete

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