全球建材巨头LafargeHolcim and its sustainability subsidiary Geocycle are entering a research partnership with the U.S. Army Corps of Engineers’ to study how construction and demolition debris, particularly concrete, can be used for energy recovery and mineral recycling.

The agency's Engineer Research and Development Center will provide technical assistance and $3.4 million from its research budget to conduct a waste characterization study and develop a research program to demonstrate how debris from across U.S. military installations can be used to create alternative fuels and raw materials to manufacture more sustainable construction products. The Corps will also provide materials for the study from a number of military installations with significant construction and demolition debris.

"The key is the Geocycle's business model," says Stephen D. Cosper, an environmental engineer at the U.S. Army Construction Engineering Research Lab in Champaign, Ill. Firm researchers "take waste materials from anywhere and find a way to use them as process fuel for their cement kilns. I see a potential for many Army-related and Army-generated waste streams to fit that model for construction materials. That's also a waste diversion that we can count toward our Department of Defense environmental goals, as well as hopefully save a little money on the disposal costs."

The research will take place at Geocycle’s Holly Hill Research Center in South Carolina and Holcim Ltd.’s Global Innovation Center in Lyon, France. Geocycle provides industrial, agricultural and municipal waste management services worldwide and works to develop new waste management techniques combined with proven co-processing technologies.

“与其他公司不同,我们将任何废物流的技术整合在一起,”北美地区总监Sophie Wu说。“这是100%再生解决方案。”目的是将废物重新构成原始的原始产品。”

吴说,第一阶段将花费大约一年的时间,将产生这项研究。新利18备用在第2阶段,“我们将选择一个现场飞行员并启动该项目。”

Cosper said by September 2022 the Corps will do some in-house testing of the cement that GeoCycle makes out of these alternative materials at its Geo-technical and Structures Laboratory in Vicksburg, Miss. "They have capability of doing structural tests and all the ASTM tests required for new cement products," he said.

这项研究的一部分将是在拆除现场或军团建设项目期间拆除或清除土地清理操作的具体罚款。该中心和地理生物希望研究这些罚款土壤,以确定它们是否兼容用于新水新利18备用泥。

"We want to see if the mineral content is amenable to incorporation into a new cement product," Cosper said. "That's reuse of a problematic material. It's not as much on the macro scale as shingles or whole concrete, for example, but it is a larger material source," that currently cannot be recycled.

今天,当水泥被压碎以重复使用时,取出的材料是骨料。Cospe新利18备用r说,这项研究将考虑剩下的罚款以及该过程中剩下的土壤以及一般拆除工作中的土壤,以查看是否可以作为水泥粘合剂作为波特兰水泥。