User:Milton Beychok/Sandbox: Difference between revisions

Revision as of 11:13, 12 July 2009

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-{| class = "wikitable" align="left"
-|+ Steam cracking product yields versus feedstock <ref name=HP/>
-!&nbsp;||colspan="5"|Product Yields
-|-
-! Feedstock<br/>source||Ethylene<br/>weight %||Propylene<br/>weight %||Butadiene<br/>weight %||[[Aromatics]]<sup> (a)</sup><br/>weight%||Other<sup> (b)</sup><br/>weight %
-|- align="center"
-| Ethane||84.0 ||1.4||1.4||0.4||12.8
-|- align="center"
-| Propane||45.0||14.0||2.0||3.5||35.5
-|- align="center"
-| Butane||44.0||17.3||3.0||3.4||32.3
-|- align="center"
-| Naphtha<sup> (c)</sup>||34.4||14.4||4.9||14.0||32.3
-|- align="center"
-| Gas oil<sup> (d)</sup>||25.5 ||13.5||4.9||12.8||43.3
-|-
-|colspan="6"|(a) Includes benzene, toluene, xylenes and any other aromatics.<br/>
-(b) Includes [[hydrogen]], methane, butenes, non-aromatic portion of [[pyrolysis gasoline]] and [[fuel oil]]. <br/>
-(c) Full-range naphtha (as differentiated from [[Petroleum naphtha|light or heavy naphtha]]).<br/>
-(d) The portion of [[petroleum|petroleum crude oil]] that has a boiling range of about 250 to 550 °C (480 to 1020 °F).<br/> That encompasses the boiling range of  atmospheric gas oil (AGO) produced by the [[Petroleum_refining_processes/Draft#The crude oil distillation unit|atmospheric distillation]]<br/> of petroleum crude oil and the boiling range of vacuum gas oil (VGO) produced by the [[vacuum distillation]]<br/> of petroleum crude oil.
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