期刊
MATERIALS TODAY SUSTAINABILITY
卷 21, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtsust.2023.100315
关键词
Pickering aqueous foam; Clay; Natural matters; Adsorption; Cyclic utilization
Researchers have pursued cleanliness and environmental friendliness in the fabrication, adsorption, and regeneration of adsorbent materials. A novel and eco-friendly porous material was successfully fabricated using Pickering aqueous foam, and it was applied for the removal of organic pollutants. The Pickering foam showed excellent stability and was synergistically stabilized by natural nanomaterials attapulgite and gallnut. The adsorbent exhibited excellent adsorption capacities and could be cyclically utilized through carbonization regeneration. This work provides a sustainable and eco-friendly approach, with potential practical applications due to its outstanding adsorption performance and reusability.
To date, whether it is the fabrication or adsorption process or the regeneration of adsorbent materials, cleanliness and environmental friendliness have been pursued by researchers. Herein, a novel and eco-friendly porous material was fabricated via the Pickering aqueous foam and applied to remove organic pollutants of brilliant green and chlortetracycline. The Pickering foam showed excellent stability and was synergistically stabilized by natural nanomaterialsdattapulgite and botanydgallnut. The characteriza-tion result revealed that the attapulgite was modified by the organic molecular leached from the gallnut, and then adsorbed and formed a rigid shell at the water-air interface to prevent the coalescence and drainage of the bubble. The as-prepared porous adsorbent possessed excellent adsorption capacities of 939.83 and 465.85 mg/g for brilliant green and chlortetracycline and could be utilized cyclically at least 10 times by the carbonization regeneration at 400 degrees C under N2 atmosphere. Overall, this work provided a sustainable and eco-friendly approach to fabricate porous material, and the material might have huge potential in practical applications as it has the excellent adsorption performance and the reusability. (c) 2023 Elsevier Ltd. All rights reserved.
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