Cavitation intensifying bags improve ultrasonic advanced oxidation with Pd/Al₂O₃ catalyst.

ABSTRACT: Advanced oxidation processes can potentially eliminate organic contaminants from industrial waste streams as well as persistent pharmaceutical components in drinking water. We explore for the first time the utilization of Cavitation Intensifying Bags (CIB) in combination with Pd/Al₂O₃ catalyst as possible advanced oxidation technology for wastewater streams, oxidizing terephthalic acid (TA) to 2-hydroxyterephthalic acid (HTA). The detailed characterization of this novel reaction system reveals that, during sonication, the presence of surface pits of the CIB improves the reproducibility and thus the control of the sonication process, when compared to oxidation in non-pitted bags. Detailed reaction kinetics shows that in the CIB reactor the reaction order to TA is zero,

SUBMITTER: Pappaterra M 

PROVIDER: S-EPMC7786540 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature