微波-吸波介質(zhì)處理煉焦煙氣中五環(huán)多環(huán)芳烴
[Abstract]:Pentacyclic polycyclic aromatic hydrocarbons (PAHs) such as benzo [b] fluoranthene, benzo [k] fluoranthene, benzo [a] pyrene and dibenzo [ah] anthracene belong to high cyclic polycyclic aromatic hydrocarbons (PAHs). It has strong toxicity and carcinogenicity. Coking flue gas was prepared by simulated vertical electric furnace. The PAHs were collected by dichloromethane and glass fiber by microwave and microwave absorbing medium, and analyzed qualitatively by ultrasonic extraction, high performance liquid chromatography (HPLC), high performance liquid chromatography (HPLC). A quantitative analysis of pentacyclic polycyclic aromatic hydrocarbons (PAHs) produced by coking flue gas was carried out. The microwave temperature, the mass and particle size of the absorber medium were studied when the microwave wave absorbing medium was used to treat the PAHs. Effects of species and other experimental factors on the degradation of four PAHs. The experimental results show that the total degradation rate of benzo [b] fluoranthene, benzo [k] fluoranthene, benzo [a] pyrene, dibenzo [aqh] anthracene is 79? 75% and 48%, the results were better, especially the highest degradation rate of benzo [a] pyrene.
【作者單位】: 華北理工大學(xué)冶金與能源學(xué)院河北省現(xiàn)代冶金技術(shù)重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(51274084) 河北省自然科學(xué)基金—鋼鐵聯(lián)合基金(E2014209152)
【分類號(hào)】:X784
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