Humic substances derived from unconventional resources: extraction, properties, environmental impacts, and prospects

Ore, Odunayo T.; Adeola, Adedapo O.; Fapohunda, Oluwaseun; ADEDIPE, Demilade Tunrayo; Bayode, Ajibola A.; Adebiyi, F. M.

doi:10.1007/s11356-023-26809-5

Cited by 10 publications

(1 citation statement)

References 168 publications

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“…Water pollution can be defined as any alteration in the biological, chemical and physical features of water that leaves a destructive consequence on the health of humans 2 . Inorganic and organic contaminants, especially heavy metals, radionuclides, nutrients and trace organic chemicals (TrOCs), have been discharged into water bodies from different anthropogenic sources ranging from agricultural activities, leakage of leachate from landfills, and municipal and industrial effluent discharge 3‐9 . TrOCs include herbicides, pharmaceuticals, antibiotics, personal care products, steroid hormones, parabens, anions, and toxins produced by bacteria.…”

Section: Introductionmentioning

confidence: 99%

A review on the versatility of Carica papaya seed: an agrogenic waste for the removal of organic, inorganic and microbial contaminants in water

Bayode

Anthony

Ore

et al. 2023

J of Chemical Tech & Biotech

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The advent of civilization, coupled with growing industrialization in many countries, is placing more demand on the available water sources. At the same time, the daily surge in wastes generated by man's anthropogenic activities has led to microbial, organic and inorganic contamination of water sources. Based on available evidence, significant research efforts are being made into the use of low‐cost agricultural materials such as Carica papaya seed (CPS) in the removal of these contaminants from water sources in a bid to provide clean water. In the present review, the organic, inorganic and microbial contaminants in waters were elucidated. Furthermore, the chemical composition of the CPS was illustrated. The adsorption capacity and efficiency of CPS and their composites in the remediation of the selected contaminants were discussed while identifying the various factors affecting the adsorption efficiency. Finally, the reusability of this agricultural material was discussed. Solution pH was identified as a major factor influencing the sorption process. The high removal efficiency reported in the studies that adopted CPS showed its vast potential in the elimination of contaminants from water sources. Also, the regenerative potential of the adsorbent over several cycles indicated its long‐term use. The economic feasibility and environmental sustainability afforded by using CPS chart a path for further investigation into the use of other low‐cost agricultural materials in the elimination of environmental contaminants. © 2023 Society of Chemical Industry (SCI).

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Section: Introductionmentioning

confidence: 99%

A review on the versatility of Carica papaya seed: an agrogenic waste for the removal of organic, inorganic and microbial contaminants in water

Bayode

Anthony

Ore

et al. 2023

J of Chemical Tech & Biotech

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Ultrasound‐Assisted Synthesis of Humic‐Silica Composites by the Isolation of Humic Substances from Peat and Lignite

Nieweś,

Biegun,

Marecka

et al. 2024

ChemPlusChem

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The aim of the presented study was to evaluate an integrated, direct procedure for the synthesis of humic‐silica composites (HSiC) by the isolation of humic substances (HS) from peat and lignite by the use of sodium silicate solution as an extractant. The obtained materials, because of the presence of humic functional groups, may potentially be used for removing contaminants from aqueous solutions. The quantitative assessment was based on experiments designed according to the Box‐Behnken plan. The statistical analysis of the results allowed to determine the optimal conditions of the process tested, for which the isolation efficiency of humic substances (HS) was greater than 50% for both raw materials. This made it possible to synthesize humic silica composites with a high content of HS, which have been qualitatively evaluated. This step was focused on the analysis of the humic structure using elemental analysis, spectroscopic methods, and differential thermal analysis coupled with thermogravimetry. On the basis of them, the presence of structures characteristic for HS in the HSiC tested was observed. Moreover, the results of the thermal analysis pointed to the higher thermal stability of the synthesized compounds, compared to the HS isolated with the use of a traditional extractant.

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Artificial humic acid mediated migration of phosphorus in soil: Experiment and modelling

Zhao,

Hao,

Cheng

et al. 2024

CATENA

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Humic substances derived from unconventional resources: extraction, properties, environmental impacts, and prospects

Cited by 10 publications

References 168 publications

A review on the versatility of Carica papaya seed: an agrogenic waste for the removal of organic, inorganic and microbial contaminants in water

A review on the versatility of Carica papaya seed: an agrogenic waste for the removal of organic, inorganic and microbial contaminants in water

Ultrasound‐Assisted Synthesis of Humic‐Silica Composites by the Isolation of Humic Substances from Peat and Lignite

Artificial humic acid mediated migration of phosphorus in soil: Experiment and modelling

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