10.3 analysis of environmental protection measures under abnormal working conditions<BR>10.3.1 abnormal working conditions of waste gas<BR>The exhaust gas emission under abnormal working conditions of the project mainly includes three situations. The first situation is the vent gas when the production unit is planned to start and stop; In the second case, due to the unstable operation of the device, in order to avoid accidents caused by excessive pressure of some equipment, the pressure relief is discharged through the preset safety valve or bursting disc; The third situation is the waste gas pollutants discharged when the pollution control measures fail to achieve the due efficiency.
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