Abstract: An apparatus for mooring a boat may include a mount body including a plurality of sidewalls forming a channel. A cleat may extend from a first of the plurality of sidewalls. A plate may be removably coupled to the mount body. The apparatus may include a clamping structure comprising a movable jaw coupled to a second of the plurality of sidewalls and configured to clamp the mount to a dock rail.

Abstract: An apparatus for mooring a boat may include a mount body including a plurality of sidewalls forming a channel. A cleat may extend from a first of the plurality of sidewalls. A plate may be removably coupled to the mount body. The apparatus may include a clamping structure comprising a movable jaw coupled to a second of the plurality of sidewalls and configured to clamp the mount to a dock rail.

Abstract: A dolly system with a motorized rolling track is disclosed. The dolly system includes a dolly having two generally vertically extending side rails. An L-shaped support is provided at its lower end thereof and a cross brace is provided adjacent to its upper end. A pair of rotatable wheels are located adjacent to the L-shaped member. Two pair of rearwardly facing braces are provided on the support rails. One pair of facing braces is adjacent the upper end thereof and one pair is adjacent the lower end thereof. An upper rotatable support rod is supported by the upper braces. A lower rotatable support rod is supported by the braces with a plurality of parallel idler rollers therebetween rotatably supported by a central block. The axis of rotation of the idler rollers is parallel with the axis of the rods. Drive cylinders are mounted on the rods with an endless belt positioned over the cylinders for rotation therewith, the belt being movable in a path of travel rearwardly of the support rods.

Abstract: A process is provided for removing vapor phase selenium species produced by the combustion of selenium and sulfur-containing fuel of the kind used to generate electric power in conjunction with a flue gas desulfurization process. In one process embodiment the flue gas leaving the combustion system is humidified by the injection of atomized water or a dilute alkaline slurry at a selected location upstream of the flue gas desulfurization system to cool the flue gas from a temperature of about 300.degree. F. to a temperature of about 280.degree. F. so as to enhance the selenium removal efficiency. In another process embodiment the flue gas leaving the combustion system is first humidified to cool the flue gas from a temperature of about 300.degree. F. to a temperature of about 200.degree. F. so as to enhance the selenium removal efficiency, and then an alkaline sorbent material is injected into the humidified flue gas.

Abstract: An efficient and cost-effective flue gas desulfurization apparatus for removing sulfur dioxide from waste gases is provided. The apparatus employs a substantially solids-free clear liquor scrubbing liquid and an, organic acid additive capable of maintaining a process pH of 4.5 to 6.0 under inhibited oxidation conditions in the absorber to accomplish sulfur dioxide removal while avoiding scale formation and encrustation. Calcium sulfite relative saturation is controlled to a desired low optimum level by maintaining the circulating calcium ion concentration at a corresponding, optimum low level. A smaller thickener unit area is required to produced calcium sulfite crystals with optimum settling and dewatering characteristics. A reactor system that promotes the formation of small, efficiently dewatered calcium sulfite solids is also provided.

Abstract: A wet, calcium-based flue gas desulfurization process conducted under inhibited oxidation conditions and in the presence of at least one organic acid which both enhances the efficiency of sulfur dioxide removal and modifies the crystal habit of calcium sulfite crystals to produce large, thick, regular, easily dewatered calcium sulfite hemihydrate byproduct solids is provided. The addition of an organic acid, preferably a carboxylic acid, to the flue gas desulfurization process produces calcium sulfite crystals that closely resemble calcium sulfate or gypsum crystals in settling and dewatering properties.

Abstract: An efficient and cost-effective flue gas desulfurization process for removing sulfur dioxide from waste gases is provided. The process employs a substantially solids-free clear liquor scrubbing liquid and an organic acid additive capable of maintaining a process pH of 4.5 to 6.0 under inhibited oxidation conditions in the absorber to accomplish sulfur dioxide removal while avoiding scale formation and encrustation. Calcium sulfite relative saturation is controlled to a desired low optimum level by maintaining the circulating calcium ion concentration at a corresponding optimum low level. A smaller thickener unit area is required to produce calcium sulfite crystals with optimum settling and dewatering characteristics. A reactor system that promotes the formation of small, efficiently dewatered calcium sulfite solids is also provided.

Abstract: A flue gas desulfurization process and system employing a clear scrubbing liquor and an organic acid buffer conducted under forced oxidation conditions to produce a usable gypsum by-product without scrubber scaling and abrasion is provided. Calcium ion concentration and chloride concentration are suppressed to improve limestone utilization, reduce the consumption of organic acids and improve crystal growth. The FGD system includes a limestone reactor for precipitating gypsum separate from the scrubber system which allows the recovery of pure carbon dioxide and a clarifier/softener tank which allows the production of gypsum-free clear scrubbing liquor and a drier gypsum filter cake.

Abstract: A wet, calcium-based, flue gas desulfurization process for reliably and cost effectively removing sulfur dioxide from the flue gas generated by the combustion of fossil flues containing sulfur includes the step of contacting the combustion flue gas preferably as a part of the scrubbing liquor, with an aqueous solution containing formate ions and a dissolved calcium concentration reduction agent. The latter reduces the dissolved calcium concentration present in the flue gas which, in turn reduces the coprecipitation and loss of formate within and from the system. Also, by contacting the flue gas with an aqueous solution comprising formate and thiosulfate ions, the formate coprecipitation within the system is reduced independent of the calcium concentration level within the system.