Highly Dispersed Blast-Furnace Sludge As a Promising Source of Trace Elements in the Cultivation of Microalgae

IF 0.8 Q3 Engineering

Nanotechnologies in Russia Pub Date : 2026-04-03 DOI:10.1134/S2635167625602141

S. P. Chebotaryova, O. V. Zakharova, P. A. Baranchikov, G. V. Grigoriev, S. M. Tatarko, A. A. Gusev, T. V. Semenyuk, E. Yu. Koiava

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Abstract

The effect of blast-furnace sludge containing trace elements (iron, zinc, silicon) on the microalgae Chlorella fusca, Chlorella vulgaris, and Scenedesmus rubescens under the conditions of a newly developed photobioreactor is investigated. It is shown that the addition of sludge in concentrations of 0.1–1 g/L stimulates culture growth. The maximum number of C. fusca and C. vulgaris cells is observed at 1 g/L of sludge in the medium, and in S. rubescens, at 0.1 g/L. At the same time, the viability of C. vulgaris decreases by 17%, and S. rubescens, by 23% at the maximum sludge concentration. C. fusca proves to be the most tolerant to its effects. It is worth noting that an increase in the total protein content is noted for C. fusca and S. rubescens, which makes this approach promising for the production of feed additives. The results obtained, taking into account the need to assess environmental safety, can be applied in the development of biotechnologies for the disposal of industrial waste.

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高分散高炉污泥作为微藻培养中微量元素的良好来源

在新开发的光生物反应器条件下，研究了含微量元素（铁、锌、硅）的高炉污泥对褐小球藻、普通小球藻和橡胶草微藻的影响。结果表明，添加浓度为0.1-1 g/L的污泥可促进培养的生长。在培养基中污泥浓度为1 g/L时，fusca和C. vulgaris细胞数量最多，而在S. rubescens中，污泥浓度为0.1 g/L。同时，在最大污泥浓度下，C. vulgaris和S. rubescens的生存力分别下降了17%和23%。事实证明，fusca对其影响最具耐受性。值得注意的是，fusca和s.m rubescens的总蛋白质含量有所增加，这使得该方法在饲料添加剂的生产中具有前景。考虑到评估环境安全的需要，所获得的结果可应用于发展处理工业废物的生物技术。

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来源期刊

Nanotechnologies in Russia NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.