04-12-2017 дата публикации
Номер: KR101804117B1
The present invention relates to a multistage deodorizing device and, more specifically, relates to a multistage deodorizing device capable of effectively removing high concentration complex odor substances, which are emitted from a livestock excretion disposal facility, a stockbreeding wastewater disposal plant, a biomass using facility, a sludge drying facility, or a food waste disposal facility, by using a liquefied catalyst and medicinal liquid by stages. The multistage deodorizing device of the present invention includes: a pretreating part removing dust from gas containing odor substances, and then, injecting active oxygen or ozone for pretreatment; a hydrogen sulfide removing part primarily removing hydrogen sulfide from the gas by making contact between a liquefied catalyst and the gas which has gone through the pretreating part; a complex odor removing part removing acidic, neutral, and alkaline odor substances from the gas by sequentially making contact between three different ...
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