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1.发明申请公开(公告)号：US20180111084A1
公开(公告)日：2018-04-26
申请号：US15568461
申请日：2016-03-04
发明人： Biaohua CHEN , Runduo ZHANG , Jie ZHANG , Dongjun SHI , Yingxia LI
CPC分类号： B01D53/72 , B01D53/30 , B01D53/56 , B01D53/78 , B01D53/86 , B01D53/8621 , B01D53/8625 , B01D53/8628 , B01D53/864 , B01D53/865 , B01D53/8668 , B01D53/8696 , B01D2255/1021 , B01D2255/1023 , B01D2255/20761 , B01D2255/504 , B01D2255/904 , B01D2257/408 , B01D2258/0283 , B01J23/44 , B01J29/46 , B01J35/0006 , B01J35/04 , B01J37/0246 , B01J2229/66 , C07C255/08 , F23J15/02 , F23J2219/10
摘要： An integrated purification method and an integrated purification system for an industrial exhaust gas containing cyanides, hydrocarbons and NOx. The method comprises the steps of: 1) subjecting the exhaust gas containing pollutants such as cyanides, hydrocarbons and nitrogen oxides (NOx) to a gas-liquid separation device (1) to separate the free fluid, then mixing with the air blown by the air blower (201, 202), and preheating by the heating unit; 2) the mixture entering into the selective catalytic combustion (SCC) reactor (5) for the selective catalytic combustion reaction to convert harmful substances into CO2, H2O and N2, the catalysis being performed in two stages: the earlier stage is catalyzed by supported molecular sieve catalyst, and the latter stage is catalyzed by supported precious metal catalyst; and 3) the gas came out from the SCC reactor (5) entering into the heating unit to recover the heat, and then the purified exhaust gas being discharged directly through the chimney (6). The system comprises a gas-liquid separation device (1), a heating unit and a selective catalytic combustion reactor (5), a gas outlet of the gas-liquid separation device (1) being connected to the selective catalytic combustion reactor (5) through the heating unit, and an exhaust gas outlet of the selective catalytic combustion reactor (5) being connected to a chimney (6) through the heating unit.
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