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Deaeration of powders in hoppers
Powder Technology, 1980Abstract Air is entrained when fine powders are loaded from a height into a container. The air takes some time to dissipate, which gives rise to problems in bag filling, silo loading, charging of bulk tankers etc. An analysis of the percolation of air through a granular bed is presented, together with an analytical solution via consolidation theory ...
P.G. Murfitt, P.L. Bransby
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The deaeration of fine powders
Powder Technology, 1987Abstract A theoretical analysis has been made of the rate of deaeration of a dilated bed of fine particles. The work is relevant to the phenomenon of flooding, since flooding is said to occur only when the material is dilated. This analysis is more general than previous analyses, and makes allowance for the change in bed depth as well as the change ...
T. Rathbone, R.M. Nedderman
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Journal of Engineering for Power, 1961
A study was made of vacuum desorption of oxygen and carbon dioxide from water using 1-in. Raschig rings in a 2-ft-diameter tower having a maximum packing height of 22 ft. The effect of various operating variables on the HTU was investigated and the data correlated to give a practical basis for designing vacuum deaerators.
A. W. Kingsbury, E. L. Phillips
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A study was made of vacuum desorption of oxygen and carbon dioxide from water using 1-in. Raschig rings in a 2-ft-diameter tower having a maximum packing height of 22 ft. The effect of various operating variables on the HTU was investigated and the data correlated to give a practical basis for designing vacuum deaerators.
A. W. Kingsbury, E. L. Phillips
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Journal of the Hydraulics Division, 1969
In using hot-film anemometry for turbulence studies in water and in studying reaeration in water with no oxygen demand, there is a need to remove dissolved gases from water. This may be accomplished by putting the water into an environment in which it is supersaturated.
William H. C. Maxwell, Edward R. Holley
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In using hot-film anemometry for turbulence studies in water and in studying reaeration in water with no oxygen demand, there is a need to remove dissolved gases from water. This may be accomplished by putting the water into an environment in which it is supersaturated.
William H. C. Maxwell, Edward R. Holley
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Offshore Membrane Deaeration as a Replacement for Vacuum Tower Deaeration - A Comparative Study
SPE Annual Technical Conference and Exhibition, 2015Abstract A membrane deaeration pilot study undertaken on seawater from an onshore seawater intake, successfully demonstrated removal of dissolved oxygen to less than 10 parts per billion without the use of chemical oxygen scavenger. To assess the commercial viability of adapting membrane deaeration technology to offshore oil and gas ...
Stephen Van Pelt, Holly Churman
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Development of a Scrubber in the Deaerator
Journal of Pressure Vessel Technology, 2015A new design of a scrubber has been developed and used in a deaerator. Deaeration of feed water in the boiler system is an essential process in industry today. Any facilities operating with steam have at least one deaerator to remove dissolved oxygen from the feed water.
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Anti-Corrosion Manual, 1973
One of the most compact deaerators on the market for producing non-corrosive boiler feed water has been introduced by Neckar Water Engineering Ltd. A feature of the design is the introduction of a steam lift pump, based on the principle of an air lift.
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One of the most compact deaerators on the market for producing non-corrosive boiler feed water has been introduced by Neckar Water Engineering Ltd. A feature of the design is the introduction of a steam lift pump, based on the principle of an air lift.
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Deaeration of high-viscosity viscoses
Fibre Chemistry, 1991-- Questions about the flow of highly viscous viscoses in evacuators of units for continuous deacration (CDU) have been examined.
V. M. Irklei +2 more
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Deaerator Inspection and Analysis
CORROSION 1987, 1987Abstract Inspection of 11 deaerator systems at the Savannah River Plant (SRP) was performed after at least 30 years of service. Each deaerator system consists of a heater vessel and a storage vessel. Of 22 total vessels, only 11 were found to contain cracks, and these were repaired.
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Deaerators and Feedwater Heaters
2012Deaerators and feedwater heaters are important components of any power utility boiler condensate and feedwater supply system. Deaerators are found in all industrial plants using fired boilers for process steam production. Feedwater heaters of the type described here are usually found only in power generating plants using steam turbines as they rely on ...
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