Phytoextraction Options.

4区 工程技术 Q2 Biochemistry, Genetics and Molecular Biology
Alla Samarska, Oliver Wiche
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引用次数: 0

Abstract

Wastewaters often contain an array of economically valuable elements, including elements considered critical raw materials and elements for fertilizer production. Plant-based treatment approaches in constructed wetlands, open ponds, or hydroponic systems represent an eco-friendly and economical way to remove potentially toxic metal(loid)s from wastewater (phytoextraction). Concomitantly, the element-enriched biomass represents an important secondary raw material for bioenergy generation and the recovery of raw materials from the harvested plant biomass (phytomining). At present, phytoextraction in constructed wetlands is still considered a nascent technology that still requires more fundamental and applied research before it can be commercially applied. This chapter discusses the different roles of plants in constructed wetlands during the phytoextraction of economically valuable elements. It sheds light on the utilization of plant biomass in the recovery of raw materials from wastewater streams. Here, we consider phytoextraction of the commonly studied water pollutants (N, P, Zn, Cd, Pb, Cr) and expand this concept to a group of rather exotic metal(loid)s (Ge, REE, PGM) highlighting the role of phytoextraction in the face of climate change and finite resources of high-tech metals.

植物萃取选项。
废水中通常含有一系列具有经济价值的元素,包括被视为关键原材料的元素和用于肥料生产的元素。在人工湿地、露天池塘或水培系统中采用植物处理方法,是去除废水中潜在有毒金属(loid)的一种生态友好型经济方法(植物萃取)。同时,富含元素的生物质是生物能源生产和从收获的植物生物质中回收原材料(植物采矿)的重要二次原材料。目前,在建造的湿地中进行植物萃取仍被认为是一项新兴技术,在商业应用之前仍需要更多的基础研究和应用研究。本章讨论了植物萃取有经济价值元素过程中植物在构建湿地中的不同作用。它揭示了如何利用植物生物质从废水中回收原材料。在此,我们考虑了植物萃取通常研究的水污染物(氮、磷、锌、镉、铅、铬),并将这一概念扩展到一组相当奇特的金属(loid)(Ge、REE、PGM),强调了植物萃取在气候变化和高科技金属资源有限的情况下的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Advances in biochemical engineering/biotechnology
Advances in biochemical engineering/biotechnology 工程技术-生物工程与应用微生物
CiteScore
5.70
自引率
0.00%
发文量
29
期刊介绍: Advances in Biochemical Engineering/Biotechnology reviews actual trends in modern biotechnology. Its aim is to cover all aspects of this interdisciplinary technology where knowledge, methods and expertise are required for chemistry, biochemistry, microbiology, genetics, chemical engineering and computer science. Special volumes are dedicated to selected topics which focus on new biotechnological products and new processes for their synthesis and purification. They give the state-of-the-art of a topic in a comprehensive way thus being a valuable source for the next 3 - 5 years. It also discusses new discoveries and applications.
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