Effect of transition metal impregnation on oxidative regeneration of activated carbon by catalytic wet air oxidation
نویسندگان
چکیده
منابع مشابه
Copper on Activated Carbon for Catalytic Wet Air Oxidation
Textile industry is an important source of water contamination. Some of the organic contaminants cannot be eliminated by nature in a reasonable period. Heterogeneous catalytic wet air oxidation is one of the most effective methods to purify wastewater with organic contaminants. In this work, catalysts based on copper supported on activated carbon were synthesized. The activated carbons were obt...
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The concern about the fate of pharmaceutical products has raised owing to the increasing contamination of rivers, lakes and groundwater. The aim of this paper is to evaluate two different processes for paracetamol removal. The catalytic wet air oxidation (CWAO) of paracetamol on activated carbon was investigated both as a water treatment technique using an autoclave reactor and as a regenerativ...
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Catalytic Wet Oxidation is a promising treatment for wastewater containing refractory compounds, such as phenol. Activated carbon has demonstrated to perform as catalyst in wet oxidation, however it is not fully understood its role as catalyst. This study aims to clarify the effect of metal content, specifically iron and calcium, on the performance of a commercial activated carbon. Several modi...
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The work focuses on evaluating wet air oxidation and catalytic wet air oxidation technique to degrade refinery spent caustics (original COD is 250,781 mg/L) in a milder operation conditions (150-200 ̊C, 0.2-2.5MPa). The results show that: in non-catalyst WAO, the highest COD degradation conversion could reach about 75% when 200 ̊C, 2MPa oxygen and 300rpm were used. At every temperature, the react...
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Single and mixed oxide Al/Zr-pillared clay (Al/Zr-PILC) catalysts were synthesized and tested for catalytic wet air oxidation (CWAO) of aqueous phenol solution under milder conditions, in a semi-batch reactor. The catalysts were synthesized from natural bentonite clay using ultrasonic treatment during the aging and intercalation steps and were characterized <...
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ژورنال
عنوان ژورنال: Applied Catalysis B: Environmental
سال: 2016
ISSN: 0926-3373
DOI: 10.1016/j.apcatb.2016.01.016