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

被引：10
|
作者：
Kaplan, Renata [1 ]
Erjavec, Bostjan [1 ]
Senila, Marin [2 ]
Pintar, Albin [1 ]
机构：
[1] Natl Inst Chem, Lab Environm Sci & Engn, Ljubljana 1001, Slovenia
[2] Res Inst Analyt Instrumentat, INCDO INOE 2000, Cluj Napoca 400293, Romania
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2014年 / 21卷 / 19期
关键词：
Batch-recyclereactor; BisphenolA; Catalytic wet air oxidation; Titanate nanotubes; TiO2; Trickle-bed reactor; Wastewater treatment; AQUEOUS-SOLUTIONS; PLANT EFFLUENTS; REMOVAL; SUPPORT;
D O I：
10.1007/s11356-014-3042-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
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 g(CAT) g(-1). The as-prepared titanate nanotubes, which underwent heat treatment at 600 degrees 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 degrees 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.
引用
收藏
页码：11313 / 11319
页数：7
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