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Glycol dehydration is a liquid desiccant system for the removal of water from natural gas and natural gas liquids (NGL). It is the most common and economical means of water removal from these streams. [1] Glycols typically seen in industry include triethylene glycol (TEG), diethylene glycol (DEG), ethylene glycol (MEG), and tetraethylene glycol ...
TEG is used by the oil and gas industry to "dehydrate" natural gas.It may also be used to dehydrate other gases, including CO 2, H 2 S, and other oxygenated gases. [2] It is necessary to dry natural gas to a certain point, as humidity in natural gas can cause pipelines to freeze, and create other problems for end users of the natural gas.
Signs of ethylene glycol poisoning depend upon the time after ingestion. [6] Symptoms usually follow a three-step progression, although poisoned individuals will not always develop each stage. [7] [8] Stage 1 (30 minutes to 12 hours) consists of neurological and gastrointestinal symptoms and looks similar to alcohol poisoning. [9]
Natural gas burning on a gas stove Burning of natural gas coming out of the ground. Natural gas (also called fossil gas, methane gas, or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) [1] in addition to various smaller amounts of other higher alkanes.
Dehumidification utilizes a liquid desiccant, such as monoethylene glycol (MEG) or triethylene glycol (TEG), to reduce gas moisture content and meet sales gas specifications. Carryover of glycol into this process can cause issues by blocking heat exchangers or disrupting temperature control. Notably, while glycol is a common component found ...
Depending on the type and amount of irritant gas inhaled, victims can experience symptoms ranging from minor respiratory discomfort to acute airway and lung injury and even death. A common response cascade to a variety of irritant gases includes inflammation , edema and epithelial sloughing , which if left untreated can result in scar formation ...
So if consumers got, say, 75% of the benefit of a gas tax holiday, prices would fall by about 14 cents per gallon, or about $2.10 for a 15-gallon fill-up. Don't spend it all in one place.
Ethylene glycol is widely used to inhibit the formation of natural gas clathrates (hydrates) in long multiphase pipelines that convey natural gas from remote gas fields to a gas processing facility. Ethylene glycol can be recovered from the natural gas and reused as an inhibitor after purification treatment that removes water and inorganic ...