red mud

简明释义

红泥

英英释义

A byproduct of the Bayer process for extracting alumina from bauxite, characterized by its reddish color due to iron oxide content.

铝土矿中提取铝土石的拜耳工艺的副产品,因含有氧化铁而呈红色。

例句

1.Environmentalists are concerned about the disposal of red mud 红泥 and its impact on local ecosystems.

环保人士对红泥 红泥的处理及其对当地生态系统的影响表示担忧。

2.In some regions, red mud 红泥 is used in construction materials due to its unique properties.

在一些地区,红泥 红泥因其独特的性质被用于建筑材料。

3.The factory produced a large amount of red mud 红泥 as a byproduct of aluminum extraction.

这家工厂在铝提取过程中产生了大量的红泥 红泥作为副产品。

4.Researchers are exploring ways to recycle red mud 红泥 for sustainable development.

研究人员正在探索可持续发展中回收红泥 红泥的方法。

5.After heavy rains, the red mud 红泥 from the nearby aluminum plant contaminated the river.

大雨过后,附近铝厂的红泥 红泥污染了河流。

作文

Red mud, known in Chinese as 红泥, is a byproduct of the Bayer process used for extracting alumina from bauxite ore. The process involves crushing the bauxite and then treating it with sodium hydroxide at high temperatures. This results in the separation of alumina from impurities, leaving behind a significant amount of waste material—红泥. This waste is characterized by its reddish color, which comes from iron oxides present in the bauxite. The global production of aluminum has increased dramatically in recent decades, leading to a corresponding rise in the generation of 红泥. It is estimated that for every ton of alumina produced, approximately 1 to 1.5 tons of 红泥 are created. The environmental impact of 红泥 disposal has become a major concern for many countries. Large quantities of 红泥 are often stored in tailings dams, which can pose risks of leakage or failure, potentially contaminating nearby land and water sources. Furthermore, 红泥 contains hazardous materials, including heavy metals, which can have detrimental effects on ecosystems and human health. Therefore, the safe management and disposal of 红泥 are critical issues for the aluminum industry.In recent years, researchers have been exploring various methods to utilize 红泥 instead of treating it purely as waste. One promising approach is to use 红泥 in construction materials. Studies have shown that when processed correctly, 红泥 can be incorporated into cement and concrete, reducing the carbon footprint of these materials while also providing a sustainable solution for 红泥 disposal. Additionally, 红泥 can be used in road construction and as a filler in various applications, thus transforming a waste product into a valuable resource.Another area of research focuses on the potential for extracting valuable metals from 红泥. Elements such as titanium and rare earth metals can be found in 红泥, and advances in extraction technologies could make it economically viable to recover these materials. This not only reduces the volume of 红泥 that needs to be managed but also contributes to the circular economy by reintroducing these metals back into production cycles.In conclusion, 红泥 represents both a challenge and an opportunity for the aluminum industry and environmental management. As production continues to rise, innovative solutions for the utilization and disposal of 红泥 will be essential. By turning this waste product into something useful, we can mitigate its environmental impact while also supporting sustainable development in the materials sector. The future of 红泥 lies in our ability to rethink waste and find new ways to integrate it into our economies.

红泥,中文称为红泥,是从铝土矿中提取铝土矿石的拜耳法过程中产生的副产品。该过程涉及对铝土矿进行破碎,然后在高温下用氢氧化钠处理。这导致铝土矿与杂质的分离,留下了大量废料——红泥。这种废料的特征是其红色,这来自铝土矿中的氧化铁。近年来,全球铝的生产量急剧增加,相应地,红泥的产生也随之上升。据估计,每生产一吨铝土矿,约会产生1到1.5吨的红泥红泥处置的环境影响已成为许多国家的主要关注点。大量的红泥通常储存在尾矿坝中,这可能会造成泄漏或失效的风险,潜在地污染附近的土地和水源。此外,红泥含有有害物质,包括重金属,这对生态系统和人类健康可能产生不利影响。因此,安全管理和处置红泥是铝工业的关键问题。近年来,研究人员正在探索各种方法来利用红泥,而不是将其纯粹视为废物。一种有前景的方法是将红泥用于建筑材料。研究表明,经过适当处理后,可以将红泥纳入水泥和混凝土中,从而减少这些材料的碳足迹,同时为红泥处置提供可持续解决方案。此外,红泥还可以用于道路建设和作为各种应用中的填充材料,从而将废弃物转变为有价值的资源。另一个研究领域集中在从红泥中提取有价值金属的潜力。红泥中可以找到钛和稀土金属等元素,提取技术的进步可能使得经济上可行地回收这些材料。这不仅减少了需要管理的红泥的体积,还通过将这些金属重新引入生产循环来促进循环经济。总之,红泥代表了铝工业和环境管理的挑战和机遇。随着生产的持续上升,创新的利用和处置红泥的解决方案将是必不可少的。通过将这一废弃物转变为有用的东西,我们可以减轻其环境影响,同时支持材料部门的可持续发展。红泥的未来在于我们重新思考废物并找到将其融入经济的新方法。