Catalytic Wet Air Oxidation of Organics-Laden Wastewater: In Situ Catalyst Regeneration and Process Scale-up

Rahul Gupta; Kaushik Basak; Nishith Verma

doi:10.1039/d5ew00745c

January 1, 2026Environmental Science Water Research & Technology

Catalytic Wet Air Oxidation of Organics-Laden Wastewater: In Situ Catalyst Regeneration and Process Scale-up

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Key Points

To explore the effectiveness of catalytic wet air oxidation for treating high COD industrial wastewater.
Applied catalytic wet air oxidation technique in a trickle bed reactor.
Monitored chemical oxygen demand (COD) levels during treatment.
Investigated in situ catalyst regeneration and process scale-up strategies.
Achieved significant reduction in COD of wastewater from ~120,000 mg/L.
In situ regeneration of catalysts proved effective in maintaining treatment efficiency.
Process scale-up demonstrates feasibility for industrial applications.

Implication

Demonstrates effective wastewater treatment using catalytic wet air oxidation, indicating significant improvement in chemical oxygen demand reduction.

Abstract

Catalytic wet air oxidation (cWAO) technique is applied to treat an industrial wastewater with the chemical oxygen demand (COD) of ~120,000 mg/L in a trickle bed reactor packed with the...

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Cite This Study

Gupta et al. (2026) studied this question.

synapsesocial.com/papers/69cf5e505a333a821460c869 https://doi.org/10.1039/d5ew00745c

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Catalytic Wet Air Oxidation of Organics-Laden Wastewater: In Situ Catalyst Regeneration and Process Scale-up

Key Points

Implication

Abstract

Discussion

Cite This Study

Catalytic Wet Air Oxidation of Organics-Laden Wastewater: In Situ Catalyst Regeneration and Process Scale-up

Key Points

Implication

Abstract

Discussion

Cite This Study

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