Geopolymer Concrete Investigation: The ABCs of GPC
| 项目名称： | Geopolymer Concrete Investigation: The ABCs of GPC |
| 摘要： | Currently, hydrated ordinary portland cement (OPC) is the most common binder used in concrete. The production of OPC requires large amounts of energy, and has a large carbon footprint, emitting approximately 5% of global CO2 emissions annually. Geopolymer cement concrete (GPC) is a relatively new material, with the potential to be an alternative to OPC. GPC has a lower environmental impact, resulting in approximately 85% less CO2 in production as compared to OPC. GPC is produced from fly ash (or other natural pozzolans), sodium hydroxide and sodium silicate. One of the principal CO2 sources and the primary energy consumption in the production of GPC results from the production of the sodium silicate "activator". The current process for producing commercial sodium silicate utilizes pure glass cullet that is subjected to elevated pressures and temperatures. The process of making sodium silicate could be made more sustainable by using discarded packaging glass cullet as an alternative silicate source. |
| 状态： | Active |
| 资金： | 8000.00 |
| 资助组织： | Michigan Technological University, Houghton |
| 项目负责人： | Hoy, Elizabeth A |
| 执行机构： | Michigan Technological University, Houghton |
| 开始时间： | 20090511 |
| 主题领域： | Environment；Highways；I15: Environment；I30: Materials |
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