Refining

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	Question
	What is the typical frequency for a flare inspection in a refinery?
	How do I design a flare stack?
	What is a feasible replacement for the CATACARB process for purifying hydrogen from a reforming plant?
	How can I prevent fouling of a FCC debutanizer reboiler on the process (gasoline) side?
	What could be a possible cause for 35% Nitrogen being in our FCC dry gas?
	What parameters and tools do refiners use to measure two stage desalter performance?
	Can flaring of light hydrocarbons (up to C₄) be avoided in FCC startup?
	What is the gasoline octane number?
	What is the best way to measure the flow in flare stack?
	What is a good source of information about catalyst cooler operation, reliability and design for fluidized catalytic crackers.
	How does the petroleum industry define a "barrel"?
	What is a good source of refinery capacities worldwide?
	What is an effective method of measuring flow in flare lines?
	How long does it take to produce gasoline in a refinery?
	Why is ethanol added to gasoline?
	What is a popular means of recycling or disposing of sludge in hydrocarbon storage tanks?
	What is the Lo-cat Process?
	What's the best way to dispose of a dark slurry found in the bottom of a sour water tank in an FCC unit?
	Any advice on retrofitting a main crude heater with a natural draft fallback system?
	Is it permissible to operate a multiproduct pipeline pumping gas oil ,gasoline and jet fuels. Is this permitted for pumping jetA1 fuel in the US?
	What are some potential causes of plugging in a waste water treatment unit seal drum?
	What are the consequences of allowing water to come in contact with gasoline that has been blended with ethanol?
	What are some possible causes of corrosion in line of heavy naptha from crude tower?
	What is the normal practice regarding location for the blending of ethanol in gasoline?
	How can I clean the inside of a sour water tank and still maintain a high degree of safety?