Abstract
The problem of waste gas treatment of nitrogen tetroxide(N2O4) has long been a difficult problem for researchers. This paper determines the combination liquid formula of N2O4 waste absorption system by screening absorbent, foaming agent and foaming method, and finds a new method to deal with N2O4 waste gas. In addition, the paper measures nitrate and nitrite content respectively by UV-visible spectrophotometry, and obtains the absorption rate and the nitrite emission of absorption system in order to judge the overall absorption effect. The research results show that using the new method in the actual waste gas absorption, absorption rate can reach more than 93% under the simple exposure device, while nitrite content is lower than the national surface water discharge standard, which can solve the problem of waste gas harm.
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