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Exploring synergistic effects in physical-chemical activation of Acorus calamus for water treatment solutions
Abstract
The research proposed a novel method of obtaining sorption material from readily available Acorus calamus bio- mass through a combination of physical and chemical activation processes. The material with the highest specific surface area (1652 m2 g−1) was obtained by physical activation with CO2, followed by chemical activation with KOH. Reversing the order of activation methods resulted in a lower specific surface area (1014 m2 g−1) of the car- bon sample. Chemical activation produced activated carbon with a surface area of 1066 m2 g−1-, while physical activation produced 390 m2 g−1. This confirms the synergistic effect of combining the two activation methods for biocarbon. It was observed that physical activation with CO2 generates a diverse range of pores, including meso- and macropores, while chemical activation induces the formation of micropores. In contrast, reversing the order of these processes leads to the degradation of the porous structure. The application of physical-chemical activa- tion with synergistic effects represents a significant advancement in producing high-quality activated biocarbon for various applications, such as wastewater treatment and energy storage. The combination of the two activa- tion methods resulted in a synergistic effect, leading to the production of carbon material of higher quality. Addi- tionally, the diversified pore sizes will enable the sorption of various pollutants in the aquatic environment and air pollutants, where gas particles are much smaller.
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Authors (6)
-
Paweł Kazimierski
-
Gartzen Lopez
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
JOURNAL OF ENVIRONMENTAL MANAGEMENT
no. 347,
ISSN: 0301-4797 - Language:
- Polish
- Publication year:
- 2023
- Bibliographic description:
- Barczak B., Łuczak J., Kazimierski P., Klugmann-Radziemska E., Lopez G., Januszewicz K.: Exploring synergistic effects in physical-chemical activation of Acorus calamus for water treatment solutions// JOURNAL OF ENVIRONMENTAL MANAGEMENT -Vol. 347, (2023), s.119000-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jenvman.2023.119000
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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