Ethylene glycol production pdf file

Calculation of ethylene glycol production in a reactionrectification. Ethylene glycol eg is a major industrial chemical used in the production of polyester fibers and films, antifreeze and vitrification formulations, and numerous other applications. Preferably, the hydrolysis occurs in the presence of a hydrolysis catalyst in order to improve the selectivity to monoethylene glycol. Ethylene is oxidized with oxygen to form ethylene oxide in a. Pdf production of mono ethylene glycol by hydrolysis of. Production of ethylene and its commercial importance in the global market ity 99. Human health aspects please note that the layout and pagination of this pdf file are not necessarily identical to the hard copy first draft prepared by r. 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.

Pdf production of ethylene glycol from coal researchgate. Meek, health canada, ottawa, canada published under the joint sponsorship of the united nations environment programme, the. This project report deals with the design calculations of mono ethylene glycol production from ethylene oxide as a feed stock along with their relevant aspects such as instrumentation and process control, hazop study and cost estimation. Ethylene oxide sterilization for medical devices fda. Ethylene glycol can be recovered from the natural gas and reused as an inhibitor after purification treatment that removes water and inorganic salts. Ethylene glycol may be discharged into wastewater from its production and use. Both reactions are carried out in the liquid phase using homogeneous catalysts. Ethylene glycol basecase process in this paper, the production of ethylene glycol was generated and based on two parts. In the first section, ethylene oxide is produced by ethylene direct oxidation reactions from the study by lou et al. This report provides a qualitative assessment for ethylene glycol eg, diethylene glycol dg, diethylene glycol monomethyl ether dgme, diethylene glycol monoethyl ether dgme, and diethylene glycol monobutyl ether dgbe when used as a pesticide inert ingredient with tolerance exemptions under 40 cfr 180. It may also enter the environment from its uses in deicing airplane runways and from spills and improper disposal of used antifreeze, coolant, and solvents containing ethylene glycol. Ethylene glycol has become one of the worlds important industrial chemicals.

Medical devices are sterilized in a variety of ways including using moist heat steam, dry heat, radiation, ethylene oxide gas, vaporized hydrogen peroxide, and other sterilization methods for. Pdf production of ethylene and its commercial importance. Ethylene glycol production chemical engineering page 1. View detailed import data, price, monthly trends, major importing countries, major ports of ethylene glycol import data and price of ethylene glycol zauba skip to main content. Co 2 streams from the reaction steps are recycled to the ethylene carbonate reactor. This compound is produced from the hydration of eo which may produce in addition to ethylene glycol diethylene glycols and triethylene glycols. Epa has not classified the glycol ethers for carcinogenicity. Bakir ethylene glycol has become one of the worlds important industrial chemicals. This compound is produced from the hydration of eo which may produce in.