Browsing by Author "Tatiana Bauer"

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Nano-biochar: A novel solution for sustainable agriculture and environmental remediation
(Academic Press Inc., 2022) Vishnu D. Rajput; Tatiana Minkina; Bilal Ahmed; Vipin Kumar Singh; Saglara Mandzhieva; Svetlana Sushkova; Tatiana Bauer; Krishan K. Verma; Shengdao Shan; Eric D. van Hullebusch; Bing Wang
Currently, the applications of biochar (BC) in agricultural practices and for environmental remediation purposes have demonstrated multifaceted advantages despite a few limitations. Nano-BC offers considerable opportunities especially for the remediation of hazardous contaminants as well as the improvement of crop productivity. Positive outcomes of nano-BC on soil physico-chemical and biological characteristics have indicated its suitability for agricultural applications. Nano-BC may effectively regulate the mobilization and sorption of important micro- and macro-nutrients, along with the hazardous contaminants including potentially toxic metals, pesticides, etc. Additionally, the sorption characteristics of nano-BC depends substantially on feedstock materials and pyrolysis temperatures. Nevertheless, the conducted investigations regarding nano-BC are in infant stages, requiring extensive field investigations. The nano-enhanced properties of BC on one hand dramatically improve its effectiveness and sustainability, on the other hand, there may be associated with toxicity development in diverse aquatic and/or terrestrial environments. Therefore, risk assessment on soil organisms and its indirect impact on human health is another area of concern linked with the field application of nano-BC. The present review delineates the potentiality of nano-BC as an emerging sorbent for sustainable agriculture and environmental applications. © 2022 Elsevier Inc.
Sustainable Amelioration of Heavy Metals in Soil Ecosystem: Existing Developments to Emerging Trends
(MDPI, 2022) Garima Awasthi; Varad Nagar; Saglara Mandzhieva; Tatiana Minkina; Mahipal Singh Sankhla; Pritam P. Pandit; Vinay Aseri; Kumud Kant Awasthi; Vishnu D. Rajput; Tatiana Bauer; Sudhakar Srivastava
The consequences of heavy metal contamination are progressively degrading soil quality in this modern period of industry. Due to this reason, improvement of the soil quality is necessary. Remediation is a method of removing pollutants from the root zone of plants in order to minimize stress and increase yield of plants grown in it. The use of plants to remove toxins from the soil, such as heavy metals, trace elements, organic chemicals, and radioactive substances, is referred to as bioremediation. Biochar and fly ash techniques are also studied for effectiveness in improving the quality of contaminated soil. This review compiles amelioration technologies and how they are used in the field. It also explains how nanoparticles are becoming a popular method of desalination, as well as how they can be employed in heavy metal phytoremediation. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
Sustainable approach and safe use of biochar and its possible consequences
(MDPI, 2021) Hanuman Singh Jatav; Vishnu D. Rajput; Tatiana Minkina; Satish Kumar Singh; Sukirtee Chejara; Andrey Gorovtsov; Anatoly Barakhov; Tatiana Bauer; Svetlana Sushkova; Saglara Mandzieva; Marina Burachevskaya; Valery P. Kalinitchenko
Biochar is considered as a potential substitute for soil organic matter (SOM). Considering the importance of biochar, the present review is based on the different benefits and potential risks of the application of biochar to the soil. Biochar addition to low organic carbon soils can act as a feasible solution to keep soil biologically active for the cycling of different nutrients. The application of biochar could improve soil fertility, increase crop yield, enhance plant growth and microbial abundance, and immobilize different contaminants in the soil. It could also be helpful in carbon sequestration and the return of carbon stock back to the soil in partially combusted form. Due to the large surface area of biochar, which generally depends upon the types of feedstock and pyrolysis conditions, it helps to reduce the leaching of fertilizers from the soil and supplies additional nutrients to growing crops. However, biochar may have some adverse effects due to emissions during the pyrolysis process, but it exerts a positive priming effect (a phenomenon in which subjection to one stimulus positively influences subsequent stimulus) on SOM decomposition, depletion of nutrients (macro-and micro-) via strong adsorption, and impact on soil physicochemical properties. In view of the above importance and limitations, all possible issues related to biochar application should be considered. The review presents extensive detailed information on the sustainable approach for the environmental use of biochar and its limitations. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.