Calcined Clay Supply Chain for Low Carbon Concrete

该项目将帮助英国供应链制造和供应低碳预拌混凝土。通过主流使用煅烧粘土（CC）来提高资源效率，通过替代波特兰水泥（PC，也称为CEMI）和随后的混凝土脱碳来减少二氧化碳的排放量。通过向英国市场引入一种可大规模本地采购的额外/替代水泥替代品，这将使英国供应链更具弹性，从而减少目前对磨粒高炉渣（ggbs）和粉煤灰（FA）的依赖。CEMI的工业副产品不仅在英国，而且在全球都有很高的需求，而且供应有限/下降。*该项目将研究使用煅烧粘土作为减碳胶凝剂，取代混凝土中的FA和ggbs。*与同等CEM I （100% PC）相比，FA/ggbs显著降低了混凝土的隐含碳。该研究将证实，高度耐用的混凝土也可以通过使用CC来获得。* FA/ggbs的可用性受到原产地（其他行业的副产品）和全球需求的限制。这种不断增长的全球需求给英国混凝土生产商带来了供应挑战，增加了成本，同时潜在地增加了隐含碳，因为可用性减少导致CEMI的使用增加。*虽然其他水泥粘合剂正在开发中（作为PC的替代品），但重要的是要增加水泥替代品的可用性，以加速脱碳，避免工业回归能源密集型和环境破坏性材料。*煅烧粘土提供了另一种选择（未来经济的材料；用于减少排放、能源消耗和成本的尖端产品的新材料应用）。煅烧粘土可以在英国制造或研磨。CC很容易符合现有的标准框架，但没有活跃的英国煅烧或研磨设施。*该项目将解决开发煅烧粘土弹性供应链（特别是可持续原料）的需求。*该项目将解决将煅烧粘土整合到现有英国混凝土生产中的需求。为了使预拌植物适应，优化FA， ggbs的使用，并在制造中进一步使用煅烧粘土。提高CC作为水泥替代品的可用性和知识，实现世界级的生产。（即灵活的生产能力，最小的材料浪费，高质量的产品，高生产率和充分的适应性）。*该项目需要证明新供应链的弹性，将煅烧粘土整合到配料厂，支持灵活性并证明煅烧粘土混凝土的适用性。

The project will help UK supply chains to manufacture and supply low carbon ready-mix concrete. To be more resource efficient through the mainstream use of calcined clays (CC), reducing the amount of CO2 through substituting Portland cement (PC, also known as CEMI) and the subsequent decarbonising of concrete. It will make UK supply chains more resilient by introducing an additional / alternative cement replacement to the UK market that can be locally sourced at scale, thereby reducing the current dependence on ground granulated blastfurnace slag (ggbs) and coal fly ash (FA). Industrial by-products to CEMI are in high demand not only in the UK but globally and experiencing limited /declining supply.* The project will look at the use of calcined clays as a carbon reducing cementitious replacement for FA and ggbs in concrete.* FA/ggbs significantly reduces the embodied carbon for concrete in comparison with equivalent CEM I (100% PC). The study will verify that highly durable concretes can also be obtained through using CC.* FA/ggbs availability is limited, both by origin (by-product of other industries) and global demand. This rising global demand presents a supply challenge to UK concrete producers, increasing costs whilst potentially increasing embodied carbon where reduced availability results in greater use of CEMI.* Whilst other cement binders are in development (as alternatives to PC), it is important that the availability of cement replacements is increased in order to accelerate decarbonisation and avoid the industrial return to energy intensive and environmentally damaging materials .* Calcined clays provide an alternative (materials for the future economy; new material applications for cutting-edge products that reduce emissions, energy consumption and costs). Calcined clays can be manufactured or ground in the UK. CC readily fit within existing standards framework, but there are no active UK calcining or grinding facilities.* The project will address the need to develop resilient supply chains (especially sustainable feedstocks) for calcined clays.* The project will address the need to integrate calcined clays into existing UK concrete manufacture. To enable ready-mix plants to adapt, to optimise use of FA, ggbs, yet go further with calcined clay in manufacturing. Enhance availability and knowledge of CC as a cement substitute enabling world-class production. (i.e. flexible production capacity, minimal material waste, high-quality products, high productivity, and full adaptivity).* The project needs to demonstrate resilience of new supply chains, integrate calcined clay into batching plants, support flexibility and demonstrate fitness-for-purpose for calcined clay concrete.