Regeneration. Clearly the resin is not an inexhaustible exchange site. When all the sodium exchange sites are replaced with hardness minerals, the resin is spent and will no longer soften water. At this point, the water softener will need to be run on an alternate cycle called regeneration. During this cycle, resin is backwashed with a salt ...
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Example 1 . Find the head loss due to the flow of 1,500gpm of oil (ν= ×1.15 10 /−42 ft s) through 1,600 feet of 8" diameter cast iron pipe. If the density of the oil . ρ=1.75 /
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different temperatures. When there is significant heat surplus in the temperature range of the condensers (intermediate and light crudes), the difference does not affect energy consumption. Finally, in recent years, an alternative stripping-type process was proposed (Figure 1-6), the crude is heated to a relative low temperature (about 150°C)
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The HC conversion increases with the increase in DOC inlet temperature . The CPF is a wall flow device which filters the PM in the exhaust and oxidizes the PM retained in the wall and the cake layer by NO2 assisted oxidation and thermal oxidation with Passive Oxidation. Active Regen. NOx Reduction.
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Sep 19, 2018 · During periods of lean operation (low fuel-to-air ratio) NOx is stored; under richer operating conditions, which can be created by manipulating the fuel injection, the NAC undergoes a regeneration process and releases ammonia into the exhaust.
Sep 19, 2016 · Passive Regeneration. Passive regeneration occurs when exhaust gas temperature is elevated above 300°C (575° F). These temperatures may be reached when the engine is under heavy load. Service Regeneration. Service regeneration is performed with the Tech 2, and is used to clean a soot loaded filter during a dealership service visit.