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- 저자 : Asma Rafiq (검색결과 1 건)
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Asma Rafiq,Muhammad Ikram,S. Ali,Faiza Niaz,Maaz Khan,Qasim Khan,Muhammad Maqbool 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.97 No.-
Textile industry represents a pollution problem worldwide due to the accidental discharge or dumping ofpolluted wastewater into the waterways, which is having a major influence on the quality of waterresources. Around 17–20% of industrial water pollution arises from textile dyeing and treatmentaccording to the World Bank report. This represents a large environmental challenge for textilemanufacturers. With growing environmental awareness, there is a need for environmentally-friendlytechnology to remove dyes from the industrial and local wastewater. The photo decolorization of dyes isconsidered as a favorable technology for industrial wastewater treatment techniques owing to itsenvironmentally friendly method, low cost, and lack of secondary pollution. The efficiency ofphotocatalysis system depends on the operational parameters that govern the adsorption andphotodegradation of dye molecules. This comprehensive review examines the operational factorsinfluencing the photo decolorization of dye molecules. Our study aims to review and summarize thepreviously published works and R&D progress in thefield of photocatalysis of various water pollutantssuch as the toxic organic compounds (cationic and anionic dyes) using various semiconductornanoparticles under visible, solar and UV irradiation. This paper examines the effects of operatingparameters on the photocatalytic degradation of textile dyes using various photocatalysts. Ourfindingsshowed that various parameters, like initial pH of the solution to be degraded, photocatalystconcentration, reaction temperature, dye concentration and dopants content exert their individualinfluence on the photocatalytic degradation of any dye. By investigating previous research to elucidatethe most significant active species for optimal photo decolorization reactions, this review providesguidelines that can be applied to the development of effective photodegradation systems. The results ofour study will help determine the most effective and economical options for removal of dyes in industrialwastewater.
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