What is combined feed ratio? How is it calculated for a two stage hydrocracking process in a hydrocracker?
							
						 
						 
						
	
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													21/12/2007
												
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												A:
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													Rupesh Patel, Saudi Aramco Total Refining and Petrochemical Company, rupeshgpatel@gmail.com
												
												 
												It is the ratio of (fresh feed + recycle feed) to fresh feed.
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