改良的腐植酸萃取法在农业配方生产中的应用

IF 0.7 4区工程技术 Q4 CHEMISTRY, APPLIED

Polish Journal of Chemical Technology Pub Date : 2023-09-01 DOI:10.2478/pjct-2023-0022

Dominik Nieweś, Kinga Marecka, Magdalena Braun-Giwerska, Marta Huculak-Mączka

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引用次数: 0

摘要

腐植酸(HA)由于其自身的特性，可以与宏量和微量元素相互作用，并在土壤剖面中保留植物养分。本研究的目的是建立一种从泥炭中分离腐植酸并同时富集大量营养物质的综合四步法。该研究证明了用含有大量营养素的溶液替代传统的提取腐植酸的方法的可能性。对于碱性提取步骤，采用超声辅助工艺，提高了腐植酸的分离效率。该步骤的优化表明，在新程序中应用超声波，有可能获得60%以上的腐植酸分离效率。所得产物的定性分析证实了腐植酸特征结构的存在，包括关键官能团。

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Application of a modified method of humic acids extraction as an efficient process in the production of formulations for agricultural purposes

Abstract Due to their properties, humic acids (HA) can interact with macro- and micronutrients and retain plant nutrients in the soil profile. The aim of the presented work was to develop a new integrated 4-step process for the isolation of humic acids from peat with their simultaneous enrichment in macronutrients. The study demonstrated the possibility of replacing traditional solutions used in the extraction of humic acids with solutions that are a source of macronutrients. For the alkaline extraction step, a process assisted with ultrasound was implemented, which allowed to increase the efficiency of humic acids isolation. Optimization of this step has shown that, with the application of ultrasound in the new procedure, it is possible to obtain the humic acids isolation efficiency of more than 60%. The qualitative analysis of the products obtained confirmed the presence of structures characteristic of humic acids, including key functional groups.

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来源期刊

Polish Journal of Chemical Technology CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

4.5 months

期刊介绍： Polish Journal of Chemical Technology is a peer-reviewed, international journal devoted to fundamental and applied chemistry, as well as chemical engineering and biotechnology research. It has a very broad scope but favors interdisciplinary research that bring chemical technology together with other disciplines. All authors receive very fast and comprehensive peer-review. Additionally, every published article is promoted to researchers working in the same field.