System and method for controlling emissions created by spraying

Details System and method for controlling emissions created by spraying System and method for controlling emissions created by spraying

1994-05-19

1995-11-28

Neuder, William P.

Road structure, process, or apparatus

Process

55302, 55320, B01D 4500, E01C 2300

Patent

active

054701767

ABSTRACT:
A system and a method for controlling emissions caused by spraying a heated liquid paving composition from a moving vehicle make use of a vacuum hood mountable to the vehicle and a fan for creating a partial vacuum within the hood to draw air containing emissions into the hood for collection. A filter or other suitable apparatus is used to extract emissions before the air is discharged to the atmosphere. In a preferred embodiment, a subsystem directs air toward a region containing emissions to cool the pavement surface or control dispersion. A shroud structure may also be provided to confine the emissions during collection. In another embodiment, a fine spray of water or moist air is directed toward the emissions area.

REFERENCES:
Flynn, Larry, "Public/Private Partnership Studies Ways to Reduce Asphalt Fumes", Roads & Bridges, pp. 34-35, May 1995.

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