PFI-TT: Bio-inspired enhancement of concrete for carbon sequestration and longevity

PFI-TT:仿生增强混凝土以实现碳封存和长寿

基本信息

  • 批准号:
    2329856
  • 负责人:
  • 金额:
    $ 55万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2024
  • 资助国家:
    美国
  • 起止时间:
    2024-01-01 至 2025-12-31
  • 项目状态:
    未结题

项目摘要

The broader impact of this Partnerships for Innovation - Technology Translation (PFI-TT) project is to develop novel bio-inspired additives that will enhance carbon sequestration, mechanical performance, and the longevity of concrete. Ordinary Portland Cement (OPC) is one of the most energy-intensive manufacturing industries in the U.S. and is responsible for nearly 8% of global anthropogenic carbon emissions. Due to the high carbon footprint of OPC, a variety of alternative low-carbon cementitious materials have been developed in the past decade, many of which rely on carbon dioxide (CO2) curing. However, the potential chemical admixtures, that can enable controlling the performances of this new generation of CO2-cured concrete have not been well-explored yet, primarily due to the lack of understanding of the hardening mechanism of these materials. This project focuses on designing and resolving the upscaling challenges of bio-inspired additives specifically formulated for CO2-cured concrete. The bio-inspired additives will improve the functionality of CO2-cured concrete and therefore, expand the application sector for such low-carbon technologies. The application of such low-carbon technologies will enable the U.S. government’s goal of reaching Net Zero emissions by 2050.The proposed project aims to upscale and evaluate the commercialization potential of bio-inspired additives via following four tasks: (i) evaluate the compatibility of bio-inspired additives with traditional chemical admixtures that are typically used to control different performances of concrete, (ii) investigate the effectiveness of bio-inspired additives at different length scales and environmental conditions with variable CO2 concentration levels, (iii) investigate the durability performances of concrete prepared using bio-inspired additives, and (iv) perform environmental impact assessment and techno-economic assessment of producing and using bio-inspired additives in the production of carbonation cured cementitious composites. Calcium carbonate (CaCO3) mineral is the primary binding phase that controls the strength as well as the CO2 sequestration capacity of carbonation-cured cementitious composites. A series of bio-inspired additives were found to be able to control the CaCO3 precipitation and polymorph conversion kinetics in carbonation-cured cementitious composites. By doing so, these additives can enhance the mechanical performance, CO2 sequestration capacity, and durability of carbonation-cured cementitious composites. To mitigate the potential risks of upscaling and commercialization of these bio-inspired additives, their performance and cost-effectiveness for different cementitious material systems, length scales, and environmental conditions will be evaluated in this project.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
这种伙伴关系对创新 - 技术翻译(PFI-TT)项目的更广泛影响是开发新型的生物启发添加剂,以增强碳固存,机械性能和混凝土的寿命。普通波特兰水泥(OPC)是美国能源密集型制造业之一,几乎占全球人为碳排放量的8%。由于OPC的碳足迹很高,在过去的十年中已经开发了多种替代性低碳水泥材料,其中许多依赖于二氧化碳(CO2)制造。但是,可以控制这种新一代CO2固定混凝土的性能的潜在化学混合物尚未得到充分探索,这主要是由于缺乏对这些材料硬化机制的了解。该项目着重于设计和解决以生物启发的添加剂的提高挑战。生物启发的添加剂将改善二氧化碳混凝土的功能,因此,扩大了此类低碳技术的应用程序部门。这种低碳技术的应用将使美国政府在2050年到2050年达到零排放的目标。拟议的项目旨在通过以下四个任务来提高和评估生物启发添加剂的商业化潜力:(i)评估对传统化学杂物的典型效果的兼容性,以控制传统化学添加剂的效果。 (III)在不同的长度尺度和环境条件下以不同的长度和环境条件的含量,(iii)研究使用生物启发的添加剂制备的混凝土的耐用性,(iv)(iv)对生产和技术经济评估进行生产和生物启发性添加剂的生产中的生产和技术经济评估。碳酸钙(CACO3)矿物质是控制强度以及碳酸化粘合胶合成分的二氧化碳序列能力的主要结合阶段。发现一系列生物启发的添加剂能够控制碳酸化固定胶合物中的CaCO3沉淀和多晶型转化动力学。通过这样做,这些添加剂可以增强碳酸化胶结成分的机械性能,二氧化碳的能力和耐用性。为了减轻这些生物启发的添加剂的升级和商业化的潜在风险,将在本项目中评估它们对不同水泥材料系统,长度尺度和环境条件的性能和成本效益。该奖项反映了NSF的法规任务,并认为通过基金会的知识优点和广泛的crietia crietia criperia criperia criperia criperia the Insportaucation the Priews criptuation the Priews cripitual。

项目成果

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Warda Ashraf其他文献

Utilization of industrial waste sodium sulfate for calcined clay-based sustainable binder
  • DOI:
    10.1016/j.conbuildmat.2024.137073
  • 发表时间:
    2024-08-23
  • 期刊:
  • 影响因子:
  • 作者:
    Ishrat Baki Borno;Adhora Tahsin;Warda Ashraf
  • 通讯作者:
    Warda Ashraf

Warda Ashraf的其他文献

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{{ truncateString('Warda Ashraf', 18)}}的其他基金

Collaborative Research: Integrated Materials-Manufacturing-Controls Framework for Efficient and Resilient Manufacturing Systems
协作研究:高效、弹性制造系统的集成材料制造控制框架
  • 批准号:
    2346651
  • 财政年份:
    2024
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant
EFRI ELiS : Carbon Sequestration and Coastal Resilience Through 3D Printed Reefs
EFRI ELiS:通过 3D 打印珊瑚礁实现碳封存和海岸恢复力
  • 批准号:
    2318123
  • 财政年份:
    2023
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant
Controlling the Interaction Between Carbon Dioxide and Cementitious Materials Using Biomimetic Molecules
使用仿生分子控制二氧化碳和胶凝材料之间的相互作用
  • 批准号:
    2028462
  • 财政年份:
    2020
  • 资助金额:
    $ 55万
  • 项目类别:
    Standard Grant

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PFI-TT: Green Technology for the Cost-effective Production of Renewable Bio-products from Non-food Biomass.
PFI-TT:利用非食品生物质经济高效地生产可再生生物产品的绿色技术。
  • 批准号:
    1827625
  • 财政年份:
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PFI:AIR-TT: Technology for the Production of Polyamides With Bio-Enabled Properties
PFI:AIR-TT:具有生物特性的聚酰胺生产技术
  • 批准号:
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  • 财政年份:
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PFI:AIR-TT: Microscale Gas Sensor for Process Monitoring and Control in Bio/Pharmaceutical Lyophilization
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  • 批准号:
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PFI: AIR - TT: Developing A Bio-based Rejuvenator to Revitalize Asphalt in Scrap Roofing Shingles
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