Catalytic wet air oxidation of bisphenol A solution in a batch-recycle trickle-bed reactor over titanate nanotube-based catalysts

被引：0
|
作者：
Renata Kaplan
Boštjan Erjavec
Marin Senila
Albin Pintar
机构：
[1] National Institute of Chemistry,Laboratory for Environmental Sciences and Engineering
[2] INCDO-INOE 2000—Research Institute for Analytical Instrumentation,undefined
来源：
Environmental Science and Pollution Research | 2014年 / 21卷
关键词：
Batch-recycle reactor; Bisphenol A; Catalytic wet air oxidation; Titanate nanotubes; TiO; Trickle-bed reactor; Wastewater treatment;
D O I：
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学科分类号：
摘要：
Catalytic wet air oxidation (CWAO) is classified as an advanced oxidation process, which proved to be highly efficient for the removal of emerging organic pollutant bisphenol A (BPA) from water. In this study, BPA was successfully removed in a batch-recycle trickle-bed reactor over bare titanate nanotube-based catalysts at very short space time of 0.6 min gCAT g−1. The as-prepared titanate nanotubes, which underwent heat treatment at 600 °C, showed high activity for the removal of aqueous BPA. Liquid-phase recycling (5- or 10-fold recycle) enabled complete BPA conversion already at 200 °C, together with high conversion of total organic carbon (TOC), i.e., 73 and 98 %, respectively. The catalyst was chemically stable in the given range of operating conditions for 189 h on stream.
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页码：11313 / 11319
页数：6
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