Displaying items by tag: trial
US: Terra CO2 has begun full-scale trial production of concrete without cement using its novel supplementary cementitious material, Opus Zero. The SCM consists of ground, heated glass spheres made from silicate rock.
Chief scientific officer DJ Lake said “Opus Zero represents a pivotal moment in our journey towards sustainable cement and concrete. Of the very few non-carbon-capture solutions to decarbonising cement, with none proven at scale, Opus Zero stands above the rest for being inherently cost-efficient, practical and scalable for the industry. Today, Opus Zero represents a zero-clinker cement that can be produced with abundant feedstock around the world, does not require opening new mines to scale, and aims to seamlessly fold into the current industry landscape.”
France: Lafarge France is participating in a 76-unit housing development project called Recygénie, at Gennevilliers in Hauts-de-Seine. Lafarge France will supply the project with 100% recycled concrete for use in facades, interior walls and roof slabs. It produced 2000t of 100% recycled 'clinker' at its Altkirch cement plant in Haut-Rhin during a suspension of ordinary clinker production in 2022. It has produced 1600m3 of recycled concrete to date. The concrete won the New Materials Prize at L'Usine Nouvelle's Sustainable Industry Awards 2023.
The Recygénie housing project is due for delivery in late 2024.
Europe: Cemex has reported its success in a trial of zero-CO2 emissions concrete mixer trucks across its operations in France, Germany and Poland. The trial implemented Germany-based Putzmeister’s IONTRON E-Mixer prototype trucks and mobile charging stations. Cemex was able to recharge the vehicles from 20% battery in eight hours. This will enable it to maintain its supply of concrete to construction sites during their operating hours.
Cemex Europe’s mobile equipment fleet and category manager Craig Hooper said “Transport is one of the key areas where Cemex is striving to reduce carbon emissions. Our company is constantly looking for new, more environmentally-friendly transport solutions, hence the decision to conduct extensive pilot studies to verify the possibilities offered by electric concrete mixers. The positive results of the trials in Europe now allow us to think positively about the potential implementation of these vehicles, which will bring Cemex closer to achieving its climate goals.”