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RISS 인기검색어
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- 저자 : Maira Shabir (검색결과 2 건)
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Maira Shabir,Nasir Shezad,Iqrash Shafiq,Ibrahim M. Maafa,Parveen Akhter,Kshaf Azam,Ashfaq Ahmed,See Hoon Lee,Young-Kwon Park,Murid Hussain 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.105 No.-
A visible-light active N,S-codoped TiO2 incorporated with carbon nanotubes (CNTs) was synthesized by amulticomponent heterojunction scheme. The synthesized photocatalysts was examined by several analysistechniques. The conventional TiO2, N-doped TiO2, TiO2/CNT and N,S-codoped TiO2 were also synthesized,characterized, and integrated adsorptive-photocatalytic degradation rates were subsequentlycompared and assessed, for comparative purposes as reference photocatalysts. The parametric studywas also carried out to investigate the effect of various operational factors, such as solution pH, the photocatalystloading and initial concentration of dye solution, on the adsorptive-photocatalytic performance. The best activity performance was attained with the N,S-TiO2/CNTs nanocomposite due to thesynergistic effect of ternary components caused by the incorporation of dopants and CNTs in TiO2 lattice,providing a high number of adsorption sites and facilitating the effective separation of photogeneratedcharge carriers and minimal recombination rates. N,S-TiO2/CNTs exhibited around three times higherphotocatalytic performance than that of the binary composites, i.e., N-TiO2, TiO2/CNTs, N,S-TiO2, andabout four times higher than the conventional TiO2. Furthermore, the superior nanocomposites were alsoinvestigated for their recyclability for five consecutive cycles.
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A review on recent advances in the treatment of dye-polluted wastewater
Maira Shabir,Muhammad Yasin,Murid Hussain,Iqrash Shafiq,Parveen Akhter,Abdul-Sattar Nizami,전병훈,Young-Kwon Park 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.112 No.-
The textile effluent has an unfavorable effect on the waterbodies as well as on the human health due tothe poor penetration of light by increased turbidity and higher oxygen demands. Therefore, the treatmentof dye-polluted wastewater is gaining an urgent attention. This review emphasizes on the sate-of-the-arttechnologies that have been developed for treating dye-polluted wastewater, including chemical, physical,and biological techniques alongside their benefits, challenges, and upcoming prospects. The studyconcludes that the single process alone may not be appropriate for the treatment of a range of dyepollutedwastewaters and approaching the quality demands as these technologies requires more timeand are complex. Literature exhibiting a range of approaches for treating large volumes of effluents withoutproducing secondary pollutants are reviewed. Moreover, the ecological impact was among the mainconcern due to the loss of catalysts and the production of waste sludge. On the other hand, reusability andregeneration are the integrated strategies to deal with such limitations. This review also provides adetailed environmental and techno-economic analysis, life cycle assessment, and practical implications. Moreover, the key bottlenecks requiring a major consideration concerning the universal appreciation ofhybrid frameworks are emphasized.
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