Production of non-constructive concrete blocks using contaminated soil

Korte, de Acj Arie; Brouwers, Hjh Jos

doi:10.1016/j.conbuildmat.2009.06.022

Cited by 9 publications

(2 citation statements)

References 25 publications

(47 reference statements)

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“…Mattus and Gilliam [15] and de Korte and Broewers [16] placed particular emphasis on the dependence of the level of heavy metal leaching on the metals' valencies, indicating, for example, that chromium (III) obtains a higher level of binding in the hydrated phases of mineral binding materials than chromium (VI). Very often, the environment has a reducing effect and Cr (VI) is reduced to Cr (III).…”

Section: Immobilization Of Chromium Ions In Cement Compositesmentioning

confidence: 99%

Mechanisms Accompanying Chromium Release from Concrete

Król

2020

Materials

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The use of mineral additives from the power and metallurgy industries in the production of building materials still raises questions about the ecological safety of such materials. These questions are particularly associated with the release of heavy metals. The article presents research related to the leaching of chromium from concretes made of Portland cement CEM I and slag cement CEM III/B (containing 75% of granulated blast furnace slag). Concrete was evaluated for leaching mechanisms that may appear during tank test over the long term (64 days). It has been presented that the dominating process associated with the leaching of chromium from both types of concrete is surface wash-off. Between the 9th and 64th day of the test, leaching of Portland cement concrete can be diffusion controlled. It has been proven that the participation of slag in the composition of concrete does not affect the level of leaching of chromium into the environment from concrete.

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Section: Immobilization Of Chromium Ions In Cement Compositesmentioning

confidence: 99%

Mechanisms Accompanying Chromium Release from Concrete

Król

2020

Materials

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“…Korte and Brouwers have modelled CS hydration to provide more understanding of this mechanism. 26 Setting kinetics can be quickened or disrupted by additives termed accelerators and retardants respectively. 27…”

Section: Calcium Sulphate (Cs) Cementsmentioning

confidence: 99%

Inorganic cements for biomedical application: calcium phosphate, calcium sulphate and calcium silicate

Hughes

Yanni

Jamshidi

et al. 2014

Advances in Applied Ceramics

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Inorganic cements have found utility in tissue replacement since the late nineteenth century, one of the first examples being calcium sulphates in the augmentation of bone defects. In the intervening period of time countless formulations of calcium phosphate, sulphate and silicate cement have been researched and as a result, many are now commercially available for a variety of biomedical applications. This review summarises the applications, formulations, advantages and drawbacks of such inorganic cements, suggesting future work that will drive progress in this area into the future of biomaterials research.

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