報(bào)告時(shí)間：2024年5月29日（星期三）9:00-11:00
報(bào)告地點(diǎn)：學(xué)術(shù)會(huì)議中心二樓小報(bào)告廳
報(bào) 告 人：王家來 教授
工作單位：美國(guó)阿拉巴馬大學(xué)
舉辦單位：土木與水利工程學(xué)院
報(bào)告簡(jiǎn)介：
Concrete can serve as a CO2 sink through a mineralization process, in which CO2 react with calcium-rich minerals in concrete to produce CaCO3 and permanently store CO2. However, the full potential of concrete for CO2 sequestration can’t be reached by existing technologies (limited by diffusivity and reactivity) and existing carbonation technology may lead to durability concerns of the produced concretes. To fully unlock this potential, we propose a new pathway to sequester CO2 into concrete, biomolecule regulated carbonation (BioCarb) method. Unlike any existing methods, the BioCarb method adds CO2 into concrete before mixing through carbonating a cement slurry regulated with a biomolecule, which controls the crystal nucleation, morphology, and phase of the calcium carbonate and disperses the produced CaCO3 nanoparticles. This method increases the CO2 uptake of the cement slurry by at least one order of magnitude in comparison with existing methods. More importantly, multiple interactions between the carbonate and the cement can be triggered by the metastable CaCO3 produced through BioCarb, significantly enhancing the strength of the produced concrete.
報(bào)告人簡(jiǎn)介：
王家來，美國(guó)阿拉巴馬大學(xué)教授，博士生導(dǎo)師，是先進(jìn)復(fù)合材料、高性能土木工程材料研究領(lǐng)域內(nèi)的國(guó)際一流科學(xué)家。擔(dān)任 NSF(美國(guó)國(guó)家科學(xué)基金會(huì)）、NASA(美國(guó)國(guó)家宇航局)、DOD-ERDC(美國(guó)國(guó)防部工程研究與發(fā)展中心)等多個(gè)美國(guó)基金委員會(huì)的評(píng)審專家，ASCE，Construction and Building Materials，Composites Part B： Engineering Journal，F(xiàn)uel，Materials and Structures 等近50余種權(quán)威期刊審稿人。截止目前，已發(fā)表 1/2區(qū)SCI論文 100余篇。
