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Ethylene oxide scrubber: After the gaseous stream from the main reactor, containing ethylene oxide (1–2%) and CO 2 (5%), is cooled, it is then passed to the ethylene oxide scrubber. Here, water is used as the scrubbing media which scrubs away majority of ethylene oxide along with some amounts of CO 2 , N 2 , CH 2 =CH 2 , CH 4 and aldehydes ...
Ethylene is an unsaturated hydrocarbon that's 3% less dense than air. Unlike nitrogen however, ethylene is highly flammable and far more expensive, rendering use as a lifting gas highly impractical. Unlike nitrogen however, ethylene is highly flammable and far more expensive, rendering use as a lifting gas highly impractical.
It is also a major producer of ethylene oxide, various acrylates, surfactants, and cellulose resins. It produces agricultural chemicals including the pesticide Lorsban and consumer products including Styrofoam. Some Dow consumer products, including Saran wrap, Ziploc bags, and Scrubbing Bubbles were sold to S. C. Johnson & Son in 1997. [112]
Large volume products include ethylene, propylene, benzene, toluene, xylenes, methanol, vinyl chloride monomer (VCM), styrene, butadiene, and ethylene oxide. These basic or commodity chemicals are the starting materials used to manufacture many polymers and other more complex organic chemicals particularly those that are made for use in the ...
Diepoxybutane (also known as butane diepoxide, butadiene diepoxide, or 1,2:3,4-diepoxybutane) is an epoxide which is a colorless liquid at room temperature. Epoxides are very reactive due to ring strain and diepoxybutane contains two of these groups, so it is highly reactive, more than other ethers.
For example ethylene oxide polymerizes to give polyethylene glycol, also known as polyethylene oxide. The reaction of an alcohol or a phenol with ethylene oxide, ethoxylation, is widely used to produce surfactants: [28] ROH + n C 2 H 4 O → R(OC 2 H 4) n OH. With anhydrides, epoxides give polyesters. [29]
In the IUPAC system, the name ethylene is reserved for the divalent group -CH 2 CH 2-. Hence, names like ethylene oxide and ethylene dibromide are permitted, but the use of the name ethylene for the two-carbon alkene is not. Nevertheless, use of the name ethylene for H 2 C=CH 2 (and propylene for H 2 C=CHCH 3) is still prevalent among chemists ...
The OMEGA process ("Only MEG Advantage") [1] is a chemical process discovered by the Shell Global Solutions company that is used to produce ethylene glycol from ethylene.This process comprises two steps, the controlled oxidation of ethylene to ethylene oxide, and the net hydrolysis of ethylene oxide to monoethylene glycol (MEG). [2]
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