| Autor: |
Hanbing Li, Jiaying Fei, Sha Chen, Kevin C. Jones, Sumei Li, Wenjuan Chen, Yixuan Liang |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
|
| Zdroj: |
Water Cycle, Vol 4, Iss , Pp 127-134 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2666-4453 |
| DOI: |
10.1016/j.watcyc.2023.05.004 |
| Popis: |
Congo red (CR) is documented as a typical azo dye compound that is widely used for industrial activities such as papermaking, textiles, leather and additives production, making it a main component of COD contaminants in industrial wastewaters. Excessive releases of CR have resulted in adverse impacts on water environments and ecological systems due to its non-biodegradable, toxic and carcinogenic properties. Therefore, the removal of CR from water environments is of important for wastewater treatment. Previous studies have proved that metal-organic frameworks (MOFs) were feasible for CR adsorption, but less stable in water environments. Several functionalized materials have therefore been used to produce MOF-derived composite material for better performance. To simplify the synthesis processes and reduce the energy consumption, an ionic liquid (IL) was used in this study for the synthesis of [BMIM][PF6]/ZIF-8 (BP/Z) composite material. The morphological structure of this material remained stable after the incorporation of IL. The equilibrium time of CR adsorption was 90 min with a maximum adsorption capacity of 1463 mg/g. Isotherm and kinetic studies revealed that the adsorption process was better described by Langmuir and pseudo-second-order model. Our results also presented that the IL/MOF composite material can be used within pH 5 and 6 with the presence of Na+, K+, Mg2+, Ca2+, Cl− and SO42−. It was also proved that the novel IL/MOF composites in this study have great potential to adsorb and remove organic dyes from water. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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