Device for extracting contaminated material from discharged stream and method thereof

This device includes a riser pipe 20 having a first pull-in port a vacuum extraction pipe 206 located concentrically with the riser pipe 204 and having a second pull-in port a first port and a second port 208 a vacuum induction device 102 fluid communicating with the vacuum extraction pipe 206 at the second pull-in pipe an air pull-in port 302 fluid communicating with the riser pipe 204 at the first pull-in port and having a valve 104 for controlling the quantity of air passing through it a ventilation control circuit 400 fluid communicating with the riser pipe 204 at the first pull-in port and fluid communicating with the vacuum extraction pipe 206 by the first port and the second port and for maintaining vacuum in the vacuum extraction pipe 206 and a vapor-liquid separator communicating with the vacuum induction device 102. In this case contaminated material is extracted from a discharged stream containing a mixture of liquid and vapor.

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