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Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Spray_tower> ?p ?o }

• Spray_tower abstract "A spray tower (or spray column or spray chamber) is gas-liquid contactor used to achieve the mass and heat transfer between a continuous gas phase (that can contain dispersed solid particles) and a dispersed liquid phase. It consists of empty cylindrical vessel made of steel or plastic and nozzles that spray liquid into the vessel. The inlet gas stream usually enters the bottom of the tower and moves upward, while liquid is sprayed downward from one or more levels. This flow of inlet gas and liquid in the opposite direction is called countercurrent flow.This type of technology can be used for example as a wet scrubber for air pollution control. Countercurrent flow exposes the outlet gas with the lowest pollutant concentration to the freshest scrubbing liquid.Many nozzles are placed across the tower at different heights to spray all of the gas as it moves up through the tower. The reasons for using many nozzles is to maximize the number of fine droplets impacting the pollutant particles and to provide a large surface area for absorbing gas. Theoretically, the smaller the droplets formed, the higher the collection efficiency achieved for both gaseous and particulate pollutants. However, the liquid droplets must be large enough to not be carried out of the scrubber by the scrubbed outlet gas stream. Therefore, spray towers use nozzles to produce droplets that are usually 500–1000 µm in diameter. Although small in size, these droplets are large compared to those created in the venturi scrubbers that are 10–50 µm in size. The gas velocity is kept low, from 0.3 to 1.2 m/s (1–4 ft/s) to prevent excess droplets from being carried out of the tower. In order to maintain low gas velocities, spray towers must be larger than other scrubbers that handle similar gas stream flow rates. Another problem occurring in spray towers is that after the droplets fall short distances, they tend to agglomerate or hit the walls of the tower. Consequently, the total liquid surface area for contact is reduced, reducing the collection efficiency of the scrubber. In addition to a countercurrent-flow configuration, the flow in spray towers can be either a cocurrent or crosscurrent in configuration. In cocurrent-flow spray towers, the inlet gas and liquid flow in the same direction. Because the gas stream does not \"push\" against the liquid sprays, the gas velocities through the vessels are higher than in countercurrent-flow spray towers. Consequently, cocurrent-flow spray towers are smaller than countercurrent-flow spray towers treating the same amount of exhaust flow. In crosscurrent-flow spray towers, also called horizontal-spray scrubbers, the gas and liquid flow in directions perpendicular to each other.In this vessel, the gas flows horizontally through a number of spray sections. The amount and quality of liquid sprayed in each section can be varied, usually with the cleanest liquid (if recycled liquid is used) sprayed in the last set of sprays.".
• Spray_tower thumbnail Cntrcrtspraytow.jpg?width=300.
• Spray_tower wikiPageID "8350306".
• Spray_tower wikiPageLength "10288".
• Spray_tower wikiPageOutDegree "51".
• Spray_tower wikiPageRevisionID "628646543".
• Spray_tower wikiPageWikiLink Absorption_(chemistry).
• Spray_tower wikiPageWikiLink Bone_meal.
• Spray_tower wikiPageWikiLink Category:Air_pollution_control_systems.
• Spray_tower wikiPageWikiLink Category:Liquid-phase_contacting_scrubbers.
• Spray_tower wikiPageWikiLink Category:Pollution_control_technologies.
• Spray_tower wikiPageWikiLink Category:Scrubbers.
• Spray_tower wikiPageWikiLink Category:Wet_scrubbers.
• Spray_tower wikiPageWikiLink Cocurrent.
• Spray_tower wikiPageWikiLink Colloid.
• Spray_tower wikiPageWikiLink Countercurrent_exchange.
• Spray_tower wikiPageWikiLink Crosscurrent.
• Spray_tower wikiPageWikiLink Fertilizer.
• Spray_tower wikiPageWikiLink Flue-gas_desulfurization.
• Spray_tower wikiPageWikiLink Gas–liquid_contactor.
• Spray_tower wikiPageWikiLink Heat_transfer.
• Spray_tower wikiPageWikiLink Hydrochloric_acid.
• Spray_tower wikiPageWikiLink Hydrogen_chloride.
• Spray_tower wikiPageWikiLink Inertial_impaction.
• Spray_tower wikiPageWikiLink Liquid-to-gas_ratio.
• Spray_tower wikiPageWikiLink Mass_transfer.
• Spray_tower wikiPageWikiLink Monocalcium_phosphate.
• Spray_tower wikiPageWikiLink Packed_bed.
• Spray_tower wikiPageWikiLink Phase_(matter).
• Spray_tower wikiPageWikiLink Pollutant.
• Spray_tower wikiPageWikiLink Pressure_drop.
• Spray_tower wikiPageWikiLink Scrubber.
• Spray_tower wikiPageWikiLink Spray_nozzle.
• Spray_tower wikiPageWikiLink Spray_nozzles.
• Spray_tower wikiPageWikiLink Tallow.
• Spray_tower wikiPageWikiLink Terminal_velocity.
• Spray_tower wikiPageWikiLink Theoretical_plate.
• Spray_tower wikiPageWikiLink Venturi_scrubber.
• Spray_tower wikiPageWikiLink Wet_scrubber.
• Spray_tower wikiPageWikiLink File:Cntrcrtspraytow.jpg.
• Spray_tower wikiPageWikiLink File:Crosscrtspraytow.jpg.
• Spray_tower wikiPageWikiLinkText "Spray tower".
• Spray_tower wikiPageWikiLinkText "spray chamber".
• Spray_tower wikiPageWikiLinkText "spray tower".
• Spray_tower wikiPageUsesTemplate Template:Reflist.
• Spray_tower wikiPageUsesTemplate Template:Use_dmy_dates.
• Spray_tower subject Category:Air_pollution_control_systems.
• Spray_tower subject Category:Liquid-phase_contacting_scrubbers.
• Spray_tower subject Category:Pollution_control_technologies.
• Spray_tower subject Category:Scrubbers.
• Spray_tower subject Category:Wet_scrubbers.
• Spray_tower hypernym Contactor.
• Spray_tower type Technology.
• Spray_tower comment "A spray tower (or spray column or spray chamber) is gas-liquid contactor used to achieve the mass and heat transfer between a continuous gas phase (that can contain dispersed solid particles) and a dispersed liquid phase. It consists of empty cylindrical vessel made of steel or plastic and nozzles that spray liquid into the vessel. The inlet gas stream usually enters the bottom of the tower and moves upward, while liquid is sprayed downward from one or more levels.".
• Spray_tower label "Spray tower".
• Spray_tower sameAs Q3533616.
• Spray_tower sameAs Tour_de_lavage.
• Spray_tower sameAs m.0270cr9.
• Spray_tower sameAs Скрубер_(доменне_виробництво).
• Spray_tower sameAs Q3533616.
• Spray_tower wasDerivedFrom Spray_tower?oldid=628646543.
• Spray_tower depiction Cntrcrtspraytow.jpg.
• Spray_tower isPrimaryTopicOf Spray_tower.