2019
DOI: 10.1016/j.jclepro.2019.02.122
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Characterization on the recycling of waste seashells with Portland cement towards sustainable cementitious materials

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Cited by 113 publications
(66 citation statements)
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“…Given the formation of aluminum gel, when CaO and gypsum were added, they will react with the aluminum gel and form additional ettringite as shown in Equation (6). In order to reduce the use of nature resources [27,28,29,30,31,32,33,34] and increase the use of recycled materials [35,36,37], fluorgypsum was used in this study. Besides, adding slaked lime and aluminum sulfate can promote the formation of ettringite and C-S-H in masonry mortar [38].…”
Section: Introductionmentioning
confidence: 99%
“…Given the formation of aluminum gel, when CaO and gypsum were added, they will react with the aluminum gel and form additional ettringite as shown in Equation (6). In order to reduce the use of nature resources [27,28,29,30,31,32,33,34] and increase the use of recycled materials [35,36,37], fluorgypsum was used in this study. Besides, adding slaked lime and aluminum sulfate can promote the formation of ettringite and C-S-H in masonry mortar [38].…”
Section: Introductionmentioning
confidence: 99%
“…It was found that when the content of CaCO 3 whisker was in the range of 1.5-2.0%, its flexural strength and compressive strength increased by 27.59% and 12.60%, respectively. is is because CaCO 3 can not only improve the compactness of the cement matrix but also enhance the early hydration of cement [13][14][15]. However, when the amount of calcium carbonate whisker is more than 2%, its fluidity will decrease, and its initial consistency value is higher than 30B C , which is not conducive to cementing operation.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3] The potential availability of chitin is illustrated by the 6 to 20 million tons of crab, shrimp and lobster shells processed every year. 1,4 Such residual ocean biomass is usually landlled or directly dumped in coastal areas. Transforming such an abundant resource into valuable products has become a critical need.…”
Section: Introductionmentioning
confidence: 99%