The Use of Asbestos Wastes as a Fillers on Sorel Cement

Kusiorowski, Robert

doi:10.13168/cs.2017.0042

Cited by 4 publications

(3 citation statements)

References 20 publications

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“…As per Ye and Power et. al.,(2017); Kusiorowski and Zaremba, (2018) investigated the capability of chrysotile asbestos and cement asbestos in using as fillers in magnesia cement. In Comparison to cement asbestos, favorable results were found in the usage of chrysotile asbestos for setting time and compressive strength of magnesium oxychloride cement have been studied by incorporating fly ash in the formation of an energy efficient andeco-friendly MOC cement by Chau et al (2009).…”

Section: S184mentioning

confidence: 99%

Effect of Value Added Admixture Zeolite on Setting Time and Compressive Strength of Magnesia Cement

Yadav¹,

Ramkishan²

2022

EEC

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In 1867,S. T. Sorel discovered Magnesia Cement in an aqueous solution by reacting magnesium chloride with magnesia. In comparison to Portland cement, this has versatile cementing characteristics. As an inert filler to absorb the heat evolved during the exothermic formations of magnesia cement Dolomite is used. Authors in this research paper have prepared Dry-mixes composition of magnesia and dolomite (inert filler) in the ratios of (1s And then these are gauged with 24oBegauging -solutions MgCl2 and the impact of admixture on their setting time -initial and final and compressive strength can be found. The initial and final setting time was observed to be increasing remarkably. With increase in percentage of admixture (zeolite) time of the cement blocks increased in the initial and final setting time also ratio of inert filler (dolomite) in the each dry-mix composition was observed and recorded. In the results it was found that to the percentage composition of admixture (zeolite) both initial and final setting time of cement blocks and also the ratio of inert filler in the dry-mix composition itis directly proportional. Quantity of magnesia cement drastically increases with Incorporation of zeolite and this further remarkably increases and improves strength of the cement. Magnesia cement could in fact act as carbon sinks, acting to favorably reduce greenhouse gas emissions. It is eco friendly cement.

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Section: S184mentioning

confidence: 99%

Effect of Value Added Admixture Zeolite on Setting Time and Compressive Strength of Magnesia Cement

Yadav¹,

Ramkishan²

2022

EEC

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“…Recently, there is a new increasing trend towards the use of Sorel’s cement composites in the building industry [ 11 , 12 , 13 , 14 , 15 , 16 , 17 ] and stabilization of fly ash from municipal solid waste and waste water sludge incinerators [ 18 , 19 ]. Sorel’s cement, also known as magnesium oxychloride cement (MOC), belongs to a wide group of magnesia-based binders [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Foam Glass Lightened Sorel’s Cement Composites Doped with Coal Fly Ash

et al. 2021

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Lightweight Sorel’s cement composites doped with coal fly ash were produced and tested. Commercially available foam granulate was used as lightening aggregate. For comparison, reference composites made of magnesium oxychloride cement (MOC) and quartz sand were tested as well. The performed experiments included X-ray diffraction, X-ray fluorescence, scanning electron microscopy, light microscopy, and energy dispersive spectroscopy analyses. The macro- and microstructural parameters, mechanical resistance, stiffness, hygric, and thermal parameters of the 28-days matured composites were also researched. The combined use of foam glass and fly ash enabled to get a material of low weight, high porosity, sufficient strength and stiffness, low water imbibition, and greatly improved thermal insulation performance. The developed lightweight composites can be considered as further step in the design and production of alternative and sustainable materials for construction industry.

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“…Today, following the ban of its use, asbestos must be safely disposed of or made inert. In countries where asbestos minerals are banned and remediation policies are promoted, numerous attempts have been made to neutralize asbestos minerals and many studies have focused on effective asbestos inertisation methods (e.g., thermal treatment, dissolution by acid, biological treatment, thermochemical treatment) [37][38][39][40][41][42][43]. Amorphisation and the modification of the fibrous morphology of chrysotile asbestos by mechano-chemical treatment has been also successfully applied by several authors [44][45][46][47].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Grinding on Tremolite Asbestos and Anthophyllite Asbestos

2018

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The six commercial asbestos minerals (chrysotile, fibrous actinolite, crocidolite, amosite, fibrous tremolite, and fibrous anthophyllite) are classified by the IARC as carcinogenic to humans. There are currently several lines of research dealing with the inertisation of asbestos minerals among which the dry grinding process has received considerable interest. The effects of dry grinding on tremolite asbestos and anthophyllite asbestos in eccentric vibration mills have not yet been investigated. Along the research line of the mechanical treatment of asbestos, the aim of this study was to evaluate the effects of dry grinding in eccentric vibration mills on the structure, temperature stability, and fibre dimensions of tremolite asbestos from Val d'Ala, (Italy) and UICC standard anthophyllite asbestos from Paakkila mine (Finland) by varying the grinding time (30 s, 5 min, and 10 min). After grinding for 30 s to 10 min, tremolite asbestos and anthophyllite asbestos showed a decrease in dehydroxylation and breakdown temperatures due to the increase in lattice strain and the decrease in crystallinity. Moreover, after grinding up to 10 min, tremolite and anthophyllite fibres were all below the limits defining a countable fibre according to WHO.

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The Use of Asbestos Wastes as a Fillers on Sorel Cement

Cited by 4 publications

References 20 publications

Effect of Value Added Admixture Zeolite on Setting Time and Compressive Strength of Magnesia Cement

Effect of Value Added Admixture Zeolite on Setting Time and Compressive Strength of Magnesia Cement

Foam Glass Lightened Sorel’s Cement Composites Doped with Coal Fly Ash

The Effect of Grinding on Tremolite Asbestos and Anthophyllite Asbestos

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