Potential use of Ulva intestinalis-derived biochar adsorbing phosphate ions in the cultivation of winter wheat Tristicum aestivum

IF 4.3 3区生物学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Bioresources and Bioprocessing Pub Date : 2024-03-04 DOI:10.1186/s40643-024-00741-z

Natalia Niedzbała, Ewa Lorenc-Grabowska, Piotr Rutkowski, Jacek Chęcmanowski, Anna Szymczycha-Madeja, Maja Wełna, Izabela Michalak

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Abstract

In this work, the properties of biochar produced from green macroalga Ulva intestinalis by pyrolysis were studied at temperatures of 300, 500, and 700 °C. This biochar was characterized in terms of multielemental composition, BET surface area, total pore volume, and biosorption properties toward phosphate ions. Biochar produced at 700 °C–25 m²/g had the highest surface area. The kinetics and isotherms of sorption processes of phosphate ions as sorbate by these sorbents were investigated. Modified biochar was able to remove 84.3% of phosphate ions from wastewater, whereas non-modified biochar—only 40.6%. Hence, biochar enriched with phosphate ions can serve as a valuable soil amendment. Pot experiments performed on winter wheat (Triticum aestivum) with a 3% addition of dry Ulva intestinalis, pristine biochar, and Mg-modified biochar enriched with phosphate ions showed that these amendments stimulated plant growth (length and fresh weight of plants) as well as enlarging the chlorophyll content in leaves. Our results indicate that the production of biochar (pristine and Mg-impregnated) is a sustainable option to valorize the biomass of seaweeds, and to recycle phosphorus from wastewater.

Graphical Abstract

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吸附磷酸盐离子的肠莼生物炭在冬小麦种植中的潜在用途

在这项工作中，研究了在 300、500 和 700 °C 温度下通过热解从绿色大型藻类肠道莼菜中产生的生物炭的特性。这种生物炭的特征包括多元素组成、BET 表面积、总孔隙率以及对磷酸盐离子的生物吸附特性。在 700 °C-25 m2/g 条件下生产的生物炭具有最高的表面积。研究了这些吸附剂对磷酸盐离子作为吸附剂的吸附过程的动力学和等温线。改性生物炭能够去除废水中 84.3% 的磷酸盐离子，而非改性生物炭仅能去除 40.6%。因此，富含磷酸盐离子的生物炭可以作为一种有价值的土壤改良剂。在冬小麦（Triticum aestivum）上添加 3% 的干莼菜、原始生物炭和富含磷酸盐离子的镁改性生物炭进行的盆栽实验表明，这些改良剂刺激了植物生长（植株长度和鲜重），并增加了叶片中的叶绿素含量。我们的研究结果表明，生物炭（原始生物炭和镁浸渍生物炭）的生产是一种可持续的选择，既能提高海藻生物量的价值，又能回收利用废水中的磷。

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来源期刊

Bioresources and Bioprocessing BIOTECHNOLOGY & APPLIED MICROBIOLOGY-

CiteScore

7.20

自引率

8.70%

发文量

118

审稿时长

13 weeks

期刊介绍： Bioresources and Bioprocessing (BIOB) is a peer-reviewed open access journal published under the brand SpringerOpen. BIOB aims at providing an international academic platform for exchanging views on and promoting research to support bioresource development, processing and utilization in a sustainable manner. As an application-oriented research journal, BIOB covers not only the application and management of bioresource technology but also the design and development of bioprocesses that will lead to new and sustainable production processes. BIOB publishes original and review articles on most topics relating to bioresource and bioprocess engineering, including: -Biochemical and microbiological engineering -Biocatalysis and biotransformation -Biosynthesis and metabolic engineering -Bioprocess and biosystems engineering -Bioenergy and biorefinery -Cell culture and biomedical engineering -Food, agricultural and marine biotechnology -Bioseparation and biopurification engineering -Bioremediation and environmental biotechnology