Open AccessRecent Development and Application of TiO2 Nanotubes Photocatalytic Activity for Degradation Synthetic Dyes – A Review
Author(s) -
Euis Uswatun Hasanah,
Indar Kustiningsih,
Slamet Slamet,
Maughal Ahmed Ali Baig
Publication year - 2021
Publication title -
jurnal rekayasa kimia and lingkungan
Language(s) - English
Resource type - Journals
eISSN - 2356-1661
pISSN - 1412-5064
DOI - 10.23955/rkl.v16i2.20739
Subject(s) - photocatalysis , materials science , degradation (telecommunications) , nonmetal , wastewater , pollutant , dopant , nanotechnology , chemical engineering , catalysis , chemistry , doping , metal , environmental engineering , organic chemistry , environmental science , computer science , metallurgy , telecommunications , optoelectronics , engineering
Synthetic dyes waste from textile industries, produce of the problematic pollutants in wastewater. TiO2 based photocatalysis are materials that exhibit excellent absorption behavior for organic compounds in wastewater due it properties including nontoxicity, high photocatalysis degradation ability, and chemical stabilities. However, several challenges exist regarding TiO2 nanotubes pure applications for dyes degradation such as poor affinity, high band gap energy, and difficulty of recovery and easy to recombination so it would decrease effectiveness of the photocatalysis process. Therefore, more design and optimization testing need to be conducted on the treatment conditions in order to reach higher removal efficiencies with lower costs. The modified physical properties by adding metal dopant, nonmetal, and sensitizer significantly enhanced photocatalysis activity. These parameters, which affect photocatalysis activity on degrade dyes waste pollutants, are discussed in the current review. As a result, the photocatalysis becomes more expected, and encourages to further research development. Keywords: TiO2, nanotubes, degradation, synthetic, dyes