hydrocarbons
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 31, 2024
Grant Date -
Oct 27, 2022
app pub date -
Apr 26, 2022
filing date -
Apr 26, 2022
priority date (Note) -
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Abstract
A first stream containing 1,3-butadiene, C4 acetylenes, and optionally C3 hydrocarbons, is mixed with a portion of the liquid recycle stream from a C4 acetylene hydrogenation reactor containing hydrogenated C4 acetylenes and a molecular hydrogen-containing stream, the resulting mixed stream is then fed to a C4 acetylene hydrogenation reactor to selectively hydrogenate the C4 acetylenes in the crude butadiene stream without appreciable 1,3-butadiene conversion.
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