美国一初创公司称可使水泥行业完全脱碳

2023-10-19 14:44:46

Brimstone 使用比石灰石更丰富的硅酸钙岩石,并使用专利技术剥离钙。然而,与石灰石不同的是,硅酸盐岩石不含二氧化碳,因此生产过程中不存在此类排放。

当今大多数建筑环境至少部分由混凝土制成,使其成为地球上仅次于水的第二大使用材料。但制造混凝土排放的二氧化碳几乎与汽车一样多,因为其主要成分水泥是由石灰石制成的。石灰石天然含有按重量计约50%的二氧化碳。

Brimstone Energy 是一家总部位于加州的初创公司,是致力于减少水泥生产过程中的碳排放的公司之一。

Brimstone 使用比石灰石更丰富的硅酸钙岩石,并使用专利技术剥离钙。然而,与石灰石不同的是,硅酸盐岩石不含二氧化碳,因此生产过程中不存在此类排放。去年7月,该公司获得认证,证明其产品与水泥本质上相同。

Brimstone 联合创始人兼首席执行官科迪·芬克 (Cody Finke) 表示:“人们已经知道如何使用它进行建造,因此施工不会被延误,也不会存在安全问题。”

该公司仍处于早期阶段,目前正在建设一座试点工厂,但芬克表示,一旦规模扩大,生产水泥的成本将比现在低。

“最终,我们的计划、目标是开发一种可靠的低成本工艺来大规模生产水泥。因此,由于成本较低,我们的工艺最终将取代全球100%的水泥生产设施,从而一个完全脱碳的系统,”芬克说。

改变水泥制造方式的目标对投资者尤其有吸引力。

“当今地球上大约有3000座水泥厂终将开始用这种新颖工艺取代旧工艺,这实际上蕴含了数万亿美元的固定资产投资潜力,所有这些都是由利润激励驱动的。”Brimstone 的支持者之一、Breakthrough Energy Ventures 的库珀·林兹勒 (Cooper Rinzler) 说道。

除了 Breakthrough 之外,Brimstone 的投资者还包括 DCVC、Collaborative Fund、Fifth Wall、S2G Ventures 和亚马逊的 Climate Pledge Fund。该公司迄今已筹集 6000 万美元。

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Brimstone 使用比石灰石更丰富的硅酸钙岩石,并使用专利技术剥离钙。然而,与石灰石不同的是,硅酸盐岩石不含二氧化碳,因此生产过程中不存在此类排放。

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困境之下,寻求水泥行业发展新出路。

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