ArticleNanomaterials (Basel, Switzerland)2023
Efficient Adsorption of Ammonia by Surface-Modified Activated Carbon Fiber Mesh.
Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Trace-Level Ammonia-Water Interactions in Hydrogen: Challenges in Gas Purity Analysis Using Optical-Feedback Cavity-Enhanced Absorption Spectroscopy (OF-CEAS).ACS measurement science au · 2025Article
- Schiff Base-Functionalized Melamine Sponge with Hierarchical Porous Architecture for High-Efficiency Removal of Organic Dyes in Wastewater.Nanomaterials (Basel, Switzerland) · 2025Article
- Assessment of Ammonia Adsorption Capacity on Activated Banana Peel Biochars.Materials (Basel, Switzerland) · 2025Article
- Ultramicroporous Ionic Liquid-Supported Aerogel Composites.Nanomaterials (Basel, Switzerland) · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
In view of the characteristics and risks of ammonia, its removal is important for industrial production and environmental safety. In this study, viscose-based activated carbon fiber (ACF) was used as a substrate and chemically modified by nitric acid impregnation to enhance the adsorption capacity of the adsorbent for ammonia. A series of modified ACF-based adsorbents were prepared and characterized using BET, FTIR, XPS, and Boehm titration. Isotherm tests (293.15 K, 303.15 K, 313.15 K) and dynamic adsorption experiments were performed. The characterization results showed that impregnation with low concentrations of nitric acid not only increased the surface acidic functional group content but also increased the specific surface area, while impregnation with high concentrations of nitric acid could be able to decrease the specific surface area. ACF-N-6 significantly increased the surface functional group content without destroying the physical structure of the activated carbon fibers. The experimental results showed that the highest adsorption of ammonia by ACFs was 14.08 mmol-L
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