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Ammonia hydroxide and citric acid modified wheat straw–biochars: preparation, characterization, and environmental applications

Version 1.0

Tomczyk, Agnieszka; Vitková, Justina; Botková, Natália; Siryk, Olena; Kondracki, Bartosz; Szewczuk-Karpisz, Katarzyna, 2026, "Ammonia hydroxide and citric acid modified wheat straw–biochars: preparation, characterization, and environmental applications", https://doi.org/10.18150/XON02P, RepOD, V1

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Description

The deposited data were collected as part of the research project entitled ‘Wpływ modyfikowanych biowęgli na pojemność kompleksu sorpcyjnego gleby względem nanocząstek srebra oraz antybiotyku’, eng. ‘Influence of modified biochars on the capacity of the soil sorption complex in relation to silver nanoparticles and antibiotic’, financed by the National Science Centre, Poland as part of the project under the MINIATURA 6 call (project no.: 2022/06/X/NZ9/00094). The first goal of this study was the establishment of the effects of inorganic (ammonia hydroxide - BCN) and organic (citric acid - BCC) modification on the physicochemical and surface properties, and sorption capacities towards metallic nanoparticles (silver nanoparticles - Ag-NPs) and antibiotic (enrofloxacin - E) of biochar (BC) obtained from wheat straw (S). The second goal was evaluating effects of application of organic solids (biomass, biochar, and chemically modified biochars) on hydro-physical properties and sorption efficiency of clay mineral (montmorillonite - M). The authors anticipate that the organic or inorganic modification of straw-biochar will enhance antibiotic and nanoparticles removal and hydro-physical properties of clay mineral. As a result, chemically modified biochar will be beneficially used in environmental applications.

The research was conducted in the period from 1st September 2022 till 1st April 2023 at the Institute of Agrophysics, Polish Academy of Sciences in Lublin. The collection contains the results of studies on the physicochemical properties of biomass, biochar, chemically modified biochars, and clay mineral, and sorption capacity of the solids towards Ag-NPs and E, and evaluating the effects of application of solids on hydro-physical properties and sorption efficiency of M.

The attached files have been compressed to *.zip format. The dataset consists of the following files:

A_1 – „Solids” – the dataset contains raw experimental data describing physicochemical, structural, and surface characteristics of biomass, biochar, chemically modified biochars, and montmorillonite. Numerical files (.xlsx) include elemental composition, content of surface functional groups, pH, surface area and porosity parameters, surface charge properties including zeta potential, and spectroscopic FTIR. Image files (.tiff) provide SEM micrographs used for morphological and structural evaluation of the solid materials.

A_2 – „DOC_release” – the dataset contains raw data that allows the determination of dissolved organic carbon release from biomass-derived materials under controlled extraction conditions. All numerical data are available in .xlsx format.

A_3 – „Sorption” – the dataset contains raw measurements from adsorption and desorption experiments conducted on individual materials and mixed systems. The data concern kinetic studies, equilibrium adsorption, and the effect of pH and dosage. The dataset also includes surface analyses collected after sorption of nanopartciles and antibiotic. All numerical data are provided in .xlsx format.

A_4 – „Hydrology” – the dataset contains raw data that allows the influence of solid amendments on hydro-physical properties of the clay mineral matrix. All numerical data are provided in .xlsx format.

The data were compiled based on laboratory tests.

The results presented in file A_1 were obtained using the following research equipment: pH–meter CX-505 (Elmetron), sorptometer QuadraSorb (Quantachrome Instruments), Phenom ProX (Thermo Fisher Scientific), automatic titrator Titrino 702 SM (Metrohm), FTIR Spectrometer (Nicolet 8700A), CHNS analyzer (2400 CHNS/O Analyzer Series II, PerkinElmer), PRC 168 × 380/80 retort furnace (Czylok), CPS analyzer (DC 24000, CPS Instruments), and UV-vis spectrophotometer (Jasco V-530).

The results presented in files A_2 were obtained with the use of research equipment: UV-vis spectrophotometer (Jasco V-530) and TOC analyzer (multi N/C 2000, AnalitykJena).

The results presented in files A_3 were obtained with the use of research equipment: high-pressure liquid chromatography (Ultimate 3000, Dionex, Thermo Fisher Scientific), software: Chromeleon, UV-vis spectrophotometer (Jasco V-530), and sorptometer QuadraSorb (Quantachrome Instruments), software: QuadraWin.

The results presented in files A_4 were obtained with the use of research methods: the core method (volumetric cylinder method), pycnometric method, and falling head method.

Subject
Agricultural Sciences
Keyword

ammonia hydroxide, citric acid, montmorillonite, pyrolysis, biomass

Related Publication

Agnieszka Tomczyk, Justína Vitková, Natália Botková, Olena Siryk, Bartosz Kondracki, Katarzyna Szewczuk–Karpisz, Ammonia hydroxide and citric acid modified wheat straw–biochars: Preparation, characterization, and environmental applications, Chemosphere, Volume 356, 2024, 141916, ISSN 0045-6535. https://www.sciencedirect.com/science/article/pii/S0045653524008099 doi: 10.1016/j.chemosphere.2024.141916

CC BY - Creative Commons Attribution 4.0 CC BY - Creative Commons Attribution 4.0

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1 to 4 of 4 Files
A_1.zip
ZIP Archive - 3.4 MB - Mar 7, 2026 - 0 Downloads
MD5: 059796e6a630b3afcccd6bbca3ce35b2
License: CC BY - Creative Commons Attribution 4.0
The dataset contains raw experimental data describing physicochemical, structural, and surface characteristics of biomass, biochar, chemically modified biochars, and montmorillonite. Numerical files (.xlsx) include elemental composition, content of surface functional groups, pH, surface area and porosity parameters, surface charge properties including zeta potential, and spectroscopic FTIR. Image files (.tiff) provide SEM micrographs used for morphological and structural evaluation of the solid materials.
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A_2.zip
ZIP Archive - 24.4 KB - Mar 7, 2026 - 0 Downloads
MD5: 36ba1d139869353eb16c1ef6ac16e106
License: CC BY - Creative Commons Attribution 4.0
The dataset contains raw data that allows the determination of dissolved organic carbon release from biomass-derived materials under controlled extraction conditions. All numerical data are available in .xlsx format.
Download
A_3.zip
ZIP Archive - 406.6 KB - Mar 7, 2026 - 0 Downloads
MD5: db980ae178efb2c0e2225e6312da2719
License: CC BY - Creative Commons Attribution 4.0
The dataset contains raw measurements from adsorption and desorption experiments conducted on individual materials and mixed systems. The data concern kinetic studies, equilibrium adsorption, and the effect of pH and dosage. The dataset also includes surface analyses collected after sorption of nanopartciles and antibiotic. All numerical data are provided in .xlsx format.
Download
A_4.zip
ZIP Archive - 7.4 KB - Mar 7, 2026 - 0 Downloads
MD5: 75804836bcbbefe2be6c8ee59814c1f3
License: CC BY - Creative Commons Attribution 4.0
The dataset contains raw data that allows the influence of solid amendments on hydro-physical properties of the clay mineral matrix. All numerical data are provided in .xlsx format.
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