Gas Processing Plant Condensate Stabilizer

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A gas-processing plant, is designed to recover ethane, propane, butane, and other natural gas liquids from the gas stream. A condensate stabilizer also recovers some portion of these liquids. The colder the temperature of the gas leaving the overhead condenser in a reflux stabilizer, or the colder the feed stream in a cold-feed stabilizer, and …

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LTX Unit Condensate Stabilizer

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It should be clear from the description of LTX units that the lower pressure separator in an LTX unit is a simple form of cold-feed condensate stabilizer. In the cold, upper portion of the separator some of the intermediate hydrocarbon components condense. In the hot, lower portion some of the lighter components flash. An LTX …

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Acid Gas Treating Process

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Acid Gas Treating Process

Next to sales contract specifications, corrosion protection ranks highest among the reasons for the removal of acid gases. The partial pressure of the acid gases may be used as a measure to determine whether treatment is required. The partial pressure of a gas is defined as the total pressure of the system times the mole …

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Gas Sweetening Processes

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Numerous processes have been developed for gas sweetening based on a variety of chemical and physical principles. These processes can be categorized by the principles used in the process to separate the acid gas and the natural gases as follows: 1. Solidbed absorption The Sulfatreat Company: Iron Sponge, Sulfa Treat, Zinc Oxide. Union Carbide Corporation: …

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Solid Bed Absorption Process

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A fixed bed of solid particles can be used to remove acid gases either through chemical reactions or ionic bonding. Typically, in solid bed absorption processes the gas stream must flow through a fixed bed of solid particles that remove the acid gases and hold them in the bed. When the bed is saturated with …

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Iron Sponge Process

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Iron Sponge Process

The iron sponge process uses the chemical reaction of ferric oxide with H2S to sweeten gas streams. This process is applied to gases with low H2S concentrations (300 ppm) operating at low to moderate pressures (50-500 psig). Carbon dioxide is not removed by this process. The reaction of H2S and ferric oxide produces water and …

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SulfaTreat Process

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SulfaTreatĀ  process is similar to the iron sponge process. It uses a patented proprietary mixture of ferric oxide and triferric oxide to react with H2O to sweeten gas streams. In SulfaTreatĀ  process the iron oxides are supported on the surface of an inert, inorganic substrate forming a granular material, while in the iron sponge process …

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Tray Efficiency and Tower Height

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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 …

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Gas Dehydration Method

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Contactor column usually contain either tray random packing or structure packing. For large volume of gas, the contactor is usually a tray column consisting of 4 to 12 trays. The greater number of trays, more moisture can be removed. Bubble cap column Each tray has opening with bubble cap bolted over them. The up flowing …

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Hydrocyclone Separator

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Hydrocyclone Separator

Hydrocyclone separators, sometimes called enhanced gravity separators, use centrifugal force to remove oil droplets from oily water. As shown in Figure 7-16, static hydrocyclone separator consist of the following four sections: a cylindrical swirl chamber, a concentric reducing section, a fine tapered section, and a cylindrical tail section. Oily water enters the cylindrical swirl chamber …

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