{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Chen X"],"funding":["National Science Foundation Graduate Research Fellowship Program","Advanced Research Projects Agency - Energy","Division of Civil, Mechanical and Manufacturing Innovation"],"pagination":["3585-3594"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10916760"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(9)"],"pubmed_abstract":["Biochar can improve the mechanical properties of portland cement paste and concrete. In this work, we produced algal biochar-zinc (biochar-Zn) and algal biochar-calcium (biochar-Ca) nanocomposite particles and studied their effect on the hydration kinetics and compressive strength of cement paste. Results show that 3 wt % biochar-Zn delayed peak heat evolution during cement hydration from 8.3 to 10.0 h, while 3 wt % addition of biochar-Ca induced a minor acceleration of peak heat from 8.3 to 8.2 h. Both biochar-Zn and biochar-Ca nanocomposite particles increased the compressive strength of cement paste at 28 days by 22.6 and 17.0%, respectively. Data substantiate that retardation or minor acceleration of the reaction kinetics was due exclusively to the presence of Zn and Ca phases, respectively, while the enhanced strength was attributed to a nucleation effect induced by such phases and the internal curing effect of biochar."],"journal":["ACS sustainable chemistry & engineering"],"pubmed_title":["Algal Biochar-Metal Nanocomposite Particles Tailor the Hydration Kinetics and Compressive Strength of Portland Cement Paste."],"pmcid":["PMC10916760"],"funding_grant_id":["CMMI-1943554","DGE-2040434","DE-AR0001145"],"pubmed_authors":["Srubar WV","Chen X","Beatty DN","Matar MG","Cai H"],"additional_accession":[]},"is_claimable":false,"name":"Algal Biochar-Metal Nanocomposite Particles Tailor the Hydration Kinetics and Compressive Strength of Portland Cement Paste.","description":"Biochar can improve the mechanical properties of portland cement paste and concrete. In this work, we produced algal biochar-zinc (biochar-Zn) and algal biochar-calcium (biochar-Ca) nanocomposite particles and studied their effect on the hydration kinetics and compressive strength of cement paste. Results show that 3 wt % biochar-Zn delayed peak heat evolution during cement hydration from 8.3 to 10.0 h, while 3 wt % addition of biochar-Ca induced a minor acceleration of peak heat from 8.3 to 8.2 h. Both biochar-Zn and biochar-Ca nanocomposite particles increased the compressive strength of cement paste at 28 days by 22.6 and 17.0%, respectively. Data substantiate that retardation or minor acceleration of the reaction kinetics was due exclusively to the presence of Zn and Ca phases, respectively, while the enhanced strength was attributed to a nucleation effect induced by such phases and the internal curing effect of biochar.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Mar","modification":"2025-04-04T02:04:58.024Z","creation":"2025-04-04T02:04:58.024Z"},"accession":"S-EPMC10916760","cross_references":{"pubmed":["38456189"],"doi":["10.1021/acssuschemeng.3c06592"]}}