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Deodorization equipments are installed at sewerage treatment plants for removing odors occurred from wastewater and sludge. In order to treat a high level or varying levels of odor emission, an effective treatment technology is required. In some cases, an insufficient capacity of odor elimination or expensive maintenance cost for treating activated carbon was experienced. Hence more resistant deodorization technologies to higher fluctuations are required. The metalo-phthalocyanine deodorization method is one of the biomimetic deodorization methods, to be more economical and resistant to higher fluctuations. And we have conducted a pilot scale field test at a sewerage treatment plant so as to apply it to sewerage odor treatment. This paper describes the test results, its applicability and technological effects.
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