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Quantification of Humic and Fulvic Acids in Humate Ores, DOC, Humified Materials and Humic Substance-Containing Commercial Products
Published on: March 18, 2022
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Adsorption behaviour of hydrogarnet for humic acid
Hirotaka Maeda1, Yuichi Kurosaki2, Masanobu Nakayama1
1Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan.
Royal Society Open Science
|May 17, 2018
Summary
Hydrogarnet effectively removes humic acid (HA) from water. Tailoring hydrogarnet
Area of Science:
- Environmental Science
- Materials Science
- Chemistry
Background:
- Humic acid (HA) discharge poses significant environmental and aesthetic challenges.
- Effective removal of HA is crucial for water quality management.
Purpose of the Study:
- To explore hydrogarnet as a novel adsorbent for humic acid removal.
- To investigate the impact of hydrogarnet's chemical composition on its adsorption capabilities.
Main Methods:
- Hydrothermal synthesis of hydrogarnet with varying solvents to control chemical composition.
- Characterization of synthesized hydrogarnet materials.
- Adsorption experiments to evaluate HA removal efficiency.
Main Results:
- Hydrogarnet with multiple chemical compositions demonstrated superior HA adsorption compared to single-composition variants.
- Controlled composition enhanced hydroxyl group density and binding energy.
- Surface hydroxyl groups and diverse binding energies were key to improved adsorption.
Conclusions:
- Hydrogarnet is a promising adsorbent for humic acid removal from aqueous environments.
- Controlling hydrogarnet's chemical composition optimizes its adsorption performance.
- Surface chemistry modifications are critical for enhancing adsorbent efficacy.
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