Removal of acetaldehyde gas using wet scrubber coupled with photo-Fenton reaction | Zendy

Masahiro Tokumura | Zendy; Atsushi Mizukoshi | Zendy; Miyuki Noguchi | Zendy; Yuko Wada | Zendy; Yuri Usami | Zendy; Takako Yamaki | Zendy; Yukio Yanagisawa | Zendy

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Removal of acetaldehyde gas using wet scrubber coupled with photo-Fenton reaction

Author(s) -

Masahiro Tokumura,

Atsushi Mizukoshi,

Miyuki Noguchi,

Yuko Wada,

Yuri Usami,

Takako Yamaki,

Yukio Yanagisawa

Publication year - 2016

Publication title -

aims environmental science

Language(s) - English

Resource type - Journals

eISSN - 2372-0352

pISSN - 2372-0344

DOI - 10.3934/environsci.2016.1.159

Subject(s) - scrubber , acetaldehyde , environmental chemistry , wet scrubber , chemistry , environmental science , waste management , pulp and paper industry , photochemistry , organic chemistry , engineering , ethanol

The feasibility of the combined air-cleaning method, which consisted of a wet scrubber and the photo-Fenton reaction, in the removal of gaseous acetaldehyde was evaluated. An acetaldehyde-gas removal efficiency of 99% was achieved in the one-pass test (residence time of 17 s) using an inlet acetaldehyde-gas concentration of 1000 ppb at an initial total-iron-ion concentration of 50 mg L⁻¹ and initial hydrogen peroxide concentration of 630 mg L⁻¹. Even at the low initial total-iron-ion concentration of 4 mg L⁻¹, a removal efficiency of 92% was achieved. The acetaldehyde removal efficiency was relatively independent of the initial hydrogen peroxide concentration. UV irradiation further augmented the rate of the photo-Fenton reaction leading to enhanced acetaldehyde-gas removal

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