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	<title>Surface Production Facility &#187; Trays and Packing</title>
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	<description>Oil and Gas Production Facility Design</description>
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		<title>Stripping Service</title>
		<link>http://www.process-facility.com/stripping-service.html</link>
		<comments>http://www.process-facility.com/stripping-service.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 04:02:06 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1282</guid>
		<description><![CDATA[




For stripping service, as in a glycol or amine contactor , bubble cap trays are the most common. In recent years, there has been a growing movement toward crimped sheet structured packing. Improved vapor and liquid distributor design in conjunction with structured packing can lead to smaller-diameter and shorter stripping towers than can be obtained [...]]]></description>
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		<title>Distillation Service</title>
		<link>http://www.process-facility.com/distillation-service.html</link>
		<comments>http://www.process-facility.com/distillation-service.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 03:59:57 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1280</guid>
		<description><![CDATA[




For distillation services, as in condensate stabilization, tray design is well understood, and many engineers are more comfortable with trays than with packing. In the past, bubble cap trays were the standard. However, they are not commonly used in this service anymore. Sieve trays are inexpensive but offer a very narrow operating range when compared [...]]]></description>
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		<title>Structured Packing</title>
		<link>http://www.process-facility.com/structured-packing.html</link>
		<comments>http://www.process-facility.com/structured-packing.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 03:32:15 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>
		<category><![CDATA[packing]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1275</guid>
		<description><![CDATA[




A bed of structured packing consists of a bed support upon which elements of structured packing are placed. Beds of structured packing typically have lower pressure drops than beds of random packing of comparable mass transfer efficiency. Structured packing elements are composed of grids (metal or plastic) or woven mesh (metal or plastic) or of [...]]]></description>
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		<title>Random Packing</title>
		<link>http://www.process-facility.com/random-packing.html</link>
		<comments>http://www.process-facility.com/random-packing.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 03:28:50 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>
		<category><![CDATA[packing]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1271</guid>
		<description><![CDATA[A bed of random packing typically consists of a bed support (typically a gas injection support plate) upon which pieces of packing material are randomly arranged (they are usually poured or dumped onto this support plate). Bed limiters, or hold-downs, are sometimes set above random beds to prevent the pieces of packing from migrating or [...]]]></description>
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		<title>Tray Efficiency and Tower Height</title>
		<link>http://www.process-facility.com/tray-efficiency-and-tower-height.html</link>
		<comments>http://www.process-facility.com/tray-efficiency-and-tower-height.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 03:27:04 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1269</guid>
		<description><![CDATA[In condensate stabilizers, trays generally have 70% equilibrium stage efficiency. That is, 1.4 actual trays are required to provide one theoretical stage. The spacing between trays is a function of the spray height and the downcomer backup (the height of clear liquid established in the downcorner). The tray spacing will typically range from 20 to [...]]]></description>
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		<title>Bubble Cap Trays vs. Valve Trays</title>
		<link>http://www.process-facility.com/bubble-cap-trays-vs-valve-trays.html</link>
		<comments>http://www.process-facility.com/bubble-cap-trays-vs-valve-trays.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 03:24:40 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1267</guid>
		<description><![CDATA[At low vapor rates, valve trays will weep. Bubble cap trays cannot weep (unless they are damaged). For this reason, it is generally assumed that bubble cap trays have nearly an infinite turndown ratio. This is true in absorption processes (e.g., glycol dehydration), in which it is more important to contact the vapor with liquid [...]]]></description>
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		<title>High Capacity/High Efficiency Trays</title>
		<link>http://www.process-facility.com/high-capacityhigh-efficiency-trays.html</link>
		<comments>http://www.process-facility.com/high-capacityhigh-efficiency-trays.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 03:18:16 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[trays]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1265</guid>
		<description><![CDATA[High capacity/high efficiency trays have valves or sieve holes or both. They typically achieve higher efficiencies and capacities by taking advantage of the active area under the downcomer. At this time, each of the major vendors has its own version of these trays, and the designs are proprietary.
]]></description>
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		<title>Bubble Cap Trays</title>
		<link>http://www.process-facility.com/bubble-cap-trays.html</link>
		<comments>http://www.process-facility.com/bubble-cap-trays.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 02:26:37 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>
		<category><![CDATA[trays]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1262</guid>
		<description><![CDATA[In bubble cap trays, vapor flowing up through the tower contacts the liquid by passing through bubble caps (Figure 6-7a). Each bubble cap assembly consists of a riser and a cap. The vapor rising through the column passes up through the riser in the tray floor and then is turned downward to bubble into the [...]]]></description>
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		<title>Valve Trays</title>
		<link>http://www.process-facility.com/valve-trays.html</link>
		<comments>http://www.process-facility.com/valve-trays.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 02:24:28 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>
		<category><![CDATA[trays]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1260</guid>
		<description><![CDATA[Valve trays are essentially modified sieve trays. Like sieve trays, holes are punched in the tray floor. However, these holes are much larger than those in sieve trays. Each of these holes is fitted with a device called a &#8220;valve.&#8221; Vapor flowing up through the tower contacts the liquid by passing through valves in the [...]]]></description>
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		</item>
		<item>
		<title>Trays</title>
		<link>http://www.process-facility.com/trays.html</link>
		<comments>http://www.process-facility.com/trays.html#comments</comments>
		<pubDate>Thu, 17 Sep 2009 02:22:02 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Trays and Packing]]></category>
		<category><![CDATA[Condensate Stabilization]]></category>
		<category><![CDATA[trays]]></category>

		<guid isPermaLink="false">http://www.process-facility.com/?p=1257</guid>
		<description><![CDATA[For most trays, liquid flows across an &#8220;active area&#8221; of the tray and then into a &#8220;downcomer&#8221; to the next tray below, etc. Inlet and/or outlet weirs control the liquid distribution across the tray. Vapor flows up the tower and passes through the tray active area, bubbling up through (and thus contacting) the liquid flowing [...]]]></description>
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