uses of ethylene glycol
Propylene glycol is used in antifreeze because, like ethylene glycol, it lowers the freezing point of water by disrupting the formation of ice crystals. MEG is also used in antifreeze applications. This organic compound is highly toxic. Ethylene Glycol (C2H6O2) - Ethylene glycol is the first member of the series of alkane diols and is also known as glycol. Ethylene glycol can enter your body when it is ingested, or when materials that contain it are ingested (antifreeze/coolant, inks, brake fluids, etc.) Ethylene is a hydrocarbon. Much of this ethylene glycol is used as antifreeze in automobile radiators. Let us have a look at the ethene structure and formula. This article is for information only. However, GC requires specialized instrumentation and technical expertise that limits feasibility for many clinical laboratories. Glycol comes in two varieties: ethylene glycol and propylene glycol. How to Stay Safe . Its primary use is in industrial cooling applications as freeze protection and rust inhibiting. It is a colorless liquid which has a syrup-like consistency. By far the most important uses of the diol is in the manufacture of polyesters, particularly PET (polyehylene terephthalate), used widely for clothes and for packaging. DESCRIPTION: Ethylene glycol is a useful industrial compound found in many consumer products, including automotive antifreeze, hydraulic brake fluids, some stamp pad inks, ballpoint pens, solvents, paints, plastics, films, and cosmetics; it also is used as a pharmaceutical vehicle. Most ethylene glycol poisonings occur due to the ingestion of antifreeze. Percentage of glycol used can be determined by a location’s lowest outdoor ambient temperature and also the temperature of the process application loop. To understand the purpose of glycol, you must first understand how a chiller works. Though both materials are bad for living things, propylene glycol is most often used near food and ethylene glycol is most often used in industrial applications. The widespread use of ethylene glycol as an antifreeze is based on its ability to lower the freezing point when mixed with water. Ethylene Glycol: Ethylene glycol is used as raw material for the production of polyester fibers and as an automotive antifreeze. Side Effects. The major source of it to soil is derived from its use as antifreeze and deicing fluid at airports. The site uses state-of-the-art ethylene glycol process technology. Mono Ethylene Glycol is used as a reactant in the manufacture of Alkyd resins which are used in paints, enamels, and varnishes. Conclusion. Basic Uses of Ethylene Glycol in Industrial Processes. Solution for A mixture of ethylene glycol (C2H6O2) and water is used as an antifreeze in cars. MEG is conventionally produced through the hydrolysis of ethylene oxide (EO), which itself is obtained via ethylene oxidation. Ethylene Glycol can be used safely and effectively without injury. 1. Data for 2013 from a variety of sources including IHS Markit, 2016. The next largest consumer of ethylene is ethylene oxide (EO) which is primarily used to make ethylene glycol. Ethylene glycol is an antifreeze product used in industrial glycol cooling equipment. 4. It is odorless liquid and has a sweet taste. Further, ethylene is also used in agricultural practices to ripen fruits, germination of the seed, etc. It is primarily used as a raw material to produce polyester fibers for the fabric industry, and polyethylene terephthalate resins (PET) used in the bottle industry. Ethylene glycol is an alcohol that is used as an antistatic agent in combination with other organic chemicals to make numerous formulations. Ethylene glycol (EG) is a common cause of toxic ingestions. The world-class facility is also next to a cracker, which supplies the plant with ethylene. Ethylene glycol, which is derived from ethylene oxide, is used to manufacture fiberglass used in products ranging from jet skis to bathtubs to bowling balls, as well as polyethylene terephthalate (PET) plastic resin to make beverage containers and packaging film. Antifreeze Ethylene Glycol (MEG) is used as an active ingredient in engine coolants and antifreeze, offering benefits including a high boiling point, low vapor pressure, excellent heat transfer abilities, and the ability to depress the freezing point of water. Ethylene glycol has a sweet taste and is often accidentally or intentionally ingested. Most monoethylene glycol (MEG) is used to make polyester fibres for textile applications, PET resins for bottles and polyester film. … Conclusion. If you work in an industry that uses or manufactures ethylene glycol you may also could be exposed by ethylene glycol … Propylene Glycol: Propylene Glycol is used as a solvent for intravenous, oral, and topical pharmaceutical preparations. Ethylene glycol is a chemical compound that has an alcohol with two -OH groups. Safety is key when handling Ethylene Glycol. The compound ethylene glycol is a clear, colorless, viscous liquid principally used as a component in automotive antifreeze or coolant products and also has manufacturing and industrial applications. Protective eye-wear, proper clothing, and gloves should be standard PPE when handling … It is poisonous if swallowed. Ethylene glycol is produced from ethylene, via the intermediate ethylene oxide Ethylene oxide reacts with water to produce ethylene glycol according to the chemical equation C 2 H 4 O + H 2 O → HOCH 2 CH 2 OH. Polyethylene Glycol: Polyethylene glycol has many uses including medical uses, chemical uses, biological uses, industrial uses, etc. Ethylene glycol and propylene glycol based coolants and antifreeze have some fundamental differences that can determine the best product for the application. Ethylene glycol is a colorless, odorless, sweet-tasting chemical. This reaction can be catalyzed by either acids or bases, or can occur at neutral pH under elevated temperatures. A daring feat of construction . Based on these data it is be reasonable to conclude that the toxicity and treatment of ethylene glycol and diethylene glycol toxicity are similar, at least in rats (a reasonably good animal model). The molar mass of ethylene glycol is 62.07 g/mol. Ethylene glycol may be swallowed accidentally, or it may be taken deliberately in a suicide attempt or as a substitute for drinking alcohol (ethanol). When handling the chemical always wear personal protective equipment. In pure form, ethylene glycol is a clear liquid. Ethylene glycol has many uses, including as antifreeze in cooling and heating systems, in hydraulic brake fluids, and as a solvent. Propylene glycol has the E-Number E1520. Ethylene Structure. Construction of the 110 acre site took under two years. Its chemical formula is C 2 H 4 (OH) 2. High‐Fidelity End‐Functionalization of Poly(ethylene glycol) Using Stable and Potent Carbamate Linkages. Side Effects. Ethylene is abundantly used in the chemical industry, and the polyethene is extremely produced using ethylene. Through a streamlined process design, this results in lower capital and energy cost and higher raw material efficiency. Read More. It is a colorless syrupy liquid, toxic and has a sweet taste. Consult your pharmacist or physician. Indeed 45% of the polyester is used for bottles 1. The addition of ethylene glycol to water causes the freezing point of the latter to decrease, thus the damage that would be caused by the water freezing in a radiator can be avoided by using a mixture of water and ethylene glycol as the coolant. MEG is primarily used as raw material in different forms for carrying out a number of industrial processes including: Coolant & Heat Transfer Agent– Majorly ethylene glycol acts as a medium for convective heat transfer like in automobiles & liquid cooled computers. Conservation of fuel and energy essay and ethylene glycol properties essay and applications. Ethylene glycol and its oligomers are preferable as a starting material instead of water, because they allow the creation of polymers with a low polydispersity (narrow molecular weight distribution). Mono Ethylene Glycol (MEG) is an essential component used as raw material in diverse industrial processes such as the manufacture resins, polyester, fibers and various types of films. TCC’s Ethylene Glycol’s major end uses are as an antifreeze, which accounts for more than 50% of ethylene glycol’s commercial use, and as raw material in the production of polyester fibers and plastics, mainly PET, which accounts for 40% of total ethylene glycol consumption. CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province, 230026 China . The water inlet temperature is 15 C and the ethylene glycol inlet temperature is 80 C . Find Lowest Prices. Acute (short-term) exposure of humans to ethylene glycol by ingesting large quantities causes three stages of health effects: central nervous system (CNS) depression, followed by cardiopulmonary effects, and later renal damage. Ethylene glycol and propylene glycol are organic compounds. This chemical also named as Ethane-1,2-diol or Monoethylene glycol. Monoethylene glycol (MEG) is an important raw material for industrial applications. Because this material is cheaply available it finds many niche applications. Using a hierarchy of controls protects employees from exposure and injury due to the chemical. Water is used to cool ethylene glycol in a 10-m-long double pipe counterflow heat ex- changer made of 4-std and 2-std (both type M) copper tubing. They are alcoholic compounds due to the presence of –OH groups. The end uses for ethylene glycol are numerous. A rat study comparing some aspects of ethylene glycol and diethylene glycol toxicity showed that blood and kidney oxalate concentrations were higher when ethylene glycol was given . PEG has low toxicity with systemic absorption less than 0.5%. It is produced commercially from ethylene oxide, which is obtained from ethylene. The physical properties of ethylene glycol-water mixtures are therefore extremely important. The main difference between propylene glycol and ethylene is the level of toxicity and efficiency of performance. If the flow direction of one of the fluids is reversed. Ethylene glycol (also called 1,2-ethanediol, molecular formula HOCH 2 CH 2 OH) is a colourless, oily liquid possessing a sweet taste and mild odour. 3. Food Industry; Another testament to the non-toxic nature of PG is its use in the food industry where it serves as a humectant, solvent and preservative among other things. Polyethylene glycol, referred to as PEG, is used as an inactive ingredient in the pharmaceutical industry as a solvent, plasticizer, surfactant, ointments, and suppository base, and tablet and capsule lubricant. It is also used in antifreeze applications and in pharmaceuticals and cosmetics. However, it is not just to keep the radiator from freezing but… Uses of ethane-1,2-diol (ethylene glycol) Figure 1 Uses of ethane-1,2-diol. Monoethylene glycol (MEG), also known as ethylene glycol (EG) or simply glycol, is a diol mostly used for the production of polyester fibers and polyethylene terephthalate (PET) resins. The flow rate of the ethylene glycol is 10 kg/s, while that for the water is 15 kg/s. An interesting fact about MEG is that 21 million tons are manufactured around the globe and 45% of it is consumed in China. Ethylene glycol is a colorless liquid with the chemical formula C2H6O2. Polyethylene glycol is produced by the interaction of ethylene oxide with water, ethylene glycol, or ethylene glycol oligomers. Shengyu Shi. Consult your pharmacist or physician. How to use Ethylene Glycol Liquid. • The use of MEGlobal Ethylene Glycol Products (MEG, DEG) as a component of heat transfer fluids in systems where the heat transfer fluids could infiltrate (i.e., via an exchanger leak, backflow prevention failure, or other means) a potable water system is not supported by MEGlobal. Gas chromatography (GC)-based laboratory assays are the gold standard for diagnosing EG intoxication. Uses. Ethylene Glycol: Ethylene glycol is mainly used for the manufacturing of polyester fibers and as an automotive antifreeze. The reaction is catalyzed by acidic or basic catalysts. It can also pass through the skin.
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