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News Displaying items by tag: sand

Displaying items by tag: sand

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SRM Institute of Science and Technology patents paving block containing waste printed circuit board

02 February 2023

India: A team at SRM Institute of Science and Technology has patented a new concrete paving block produced using fibres from waste printed circuit board (WPCB). The refuse-derived material will replace some sand and clay in the concrete mix. SRM Institute of Science and Technology said that India generates 2Mt/yr of electronic waste (e-waste), and additionally imports this type of waste from other countries. Besides being non-biodegradable, WPCB is contaminated with colouring chemicals.

The developers said "The steadily rising volume of electronic waste poses a serious hazard to human health and the environment."

Published in Global Concrete News
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Českomoravský beton acquires six Moravian read-mix concrete plants from Kámen Zbraslav

10 May 2022

Czech Republic: Českomoravský Beton has acquired six ready-mixed concrete plants and a sandpit in Moravia from Kámen Zbraslav. The plants have a total capacity of 85,000m3/yr. Českomoravský Beton says that they have a ‘well-established residential and commercial customer base’ in and around Brno.

Parent company HeidelbergCement says that the acquisition drives forward its portfolio optimisation programme. It now operates 80 ready-mixed concrete plants in the Czech Republic.

Published in Global Concrete News
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Eqiom plant at Gennevilliers recycles 10,000t of demolition waste

12 April 2022

France: Eqiom’s demolition waste recycling plant Gennevilliers in Paris has processed 10,000t of material since it opened in January 2022. The site has a target of 50,000t/yr in its first year of operation. Sand, gravel and larger aggregate fractions are screened from the concrete in a ratio of 40%, 20% and 40% respectively, according to Le Moniteur. The gravel is used at a nearby concrete plant whilst the sand and aggregate is used mostly in road construction.

Published in Global Concrete News
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