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Ethane steam cracker yields

As a general rule, the heavier the feedstock the less ethane it yields and the higher the yield of other stuff.
The process also ethane yields about 3 propylene and 19 other stuff. .
Yesterday we started our series on the economics steam of petrochemical feedstocks. .If you cracker crack a pound of ethane (cracker people cracker talk in pounds the ethylene yield is about. .But you get much more of one very important byproduct propylene. .Chemical Engineering Progress (CEP), AIChE's steam flagship member magazine, is written and edited by chemical engineering professionals for chemical engineering professionals.We also introduced the fundamental fact of feedstock acquisition of the ethylene cracker industry: the best feedstock is the one that will produce the highest margin possible, after deducting byproduct credits. .Within the ethylene industry this is typically measured in terms of pounds of ethylene produced since that is the most important product that these units are built to manufacture. .Lets Get steam Cracking we did a brief overview of olefin crackers including how they work, what they make and where they are located. .But thats not all. .The #1 factor is the petrochemical market that consumes more than half of all NGL production and 100 of the ethane. .So that gets to the fundamental formula for calculating olefin cracker margins: Price of ethylene per pound Cost of feedstock per pound of ethylene produced value of byproduct credits per pound of ethylene produced. That means one pound of ethane cracked equals.78 pounds of ethylene. .
You get window 41 of the other stuff. .
But below the surface it can get quite complex. .
The ethylene yield for propane is only about 42, considerably activator less than for ethane. .
The propylene yield. .
On the surface this seems simple just make your product out of the cheapest stuff possible. .
Obviously the cracker wants to make the slate of products that can be sold for the highest total value, given furnace and manual downstream processing unit hardware constraints. .
First we need to talk about yields - how books much of which products are yields produced when you crack various feedstocks. .The yield numbers for propane are quite different. .Take ethane for example. .With NGLs driving the natural gas market, it is critically important to understand the factors that influence NGL prices. .Every month, CEP publishes tutorial articles that provide "how-to" guidance and best practices on a wide variety of chemical engineering topics, as well as news on the latest developments in chemical engineering technology and cutting-edge research.Of course, dodge deep dives into energy analytics are what we live for here at RBN, so lets get into the details.That stuff includes butadiene, benzene, fuel gas (hydrogen, methane) and a variety of other chemicals.Other feedstocks including normal butane, natural gasoline, condensates, naphthas and gas oils have different yield patterns depending on the carbon content of the molecule being cracked, the configuration of the specific cracker, and a variety of other issues. .Such as ethane have significantly higher ethylene yields when cracked (up.Table 1: Steam cracker yields of various petrochemical feedstocks.Steam cracking processes, steam cracking at TVK.For ethane the primary reaction is dehydrogenation C2H6.