Abstract: A temporary hood for capturing vapors exiting from a material storage compartment of a vessel when the compartment is opened includes a base frame that extends around an opening to the compartment and is releasably secured to the vessel. An upper framework is releasably coupled to the base frame and extends upwardly from the vessel around the opening. A plurality of panels is releasably engageable with the upper framework and form an enclosure around the opening. At least one vapor discharge outlet fluidly communicates with the material storage compartment and a vacuum pump to allow the capture of vapors exiting from the opening when the cover is opened and the temporary hood is engaged with the vessel.

Abstract: An improved Exhaust Intake Bonnet (EIB) for an Advanced Maritime Emissions Control System (AMECS) includes a ribbed frame lowered and then drawn around a stack of an Ocean Going Vessel (OGV), and a shroud unfurled over the ribbed frame. The ribbed frame has a more flexible structure to better conform to rectangular and oval stacks. The bonnet includes a peak with a duct for receiving exhaust gasses captured by the shroud. The bonnet is positioned over the stack using a deployment arm. A duct carries exhaust from the stack to an Advanced Maritime Emissions Control Unit (AMECU) where the exhaust gasses are processed before releasing to the air. The AMECU) may reside on a ship, a barge, a trailer next to a docked OGV, or be a stationary AMECU) on a dock.

Abstract: An Advanced Maritime Emissions Control System (AMECS) includes several Exhaust Intake Bonnets (EIBs) of different size and/or shape, an Emissions Capture System (ECS), and an Advanced Maritime Emissions Control Unit (AMECU) mounted on an Unpowered Seagoing Barge (USB). The EIB includes a cage formed by downward curved ribs, a shroud which is lowerable to cover the ribs, a belt near a lower edge of the EIB for retaining and sealing the EIB to a stack, and a mechanism for tightening the lower edge of the EIB (and thus the belt) around the stack. The ECS lifts one of the several EIBs onto the stack of an Ocean Going Vessel (OGV). Exhaust from the stack is drawn through a large diameter duct to the AMECU. The AMECU processes the exhaust through multiple treatment stages. The stages include pre conditioning the exhaust, oxidizing, reducing, polishing, and precipitating.