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What property methods are required to simulate the pyrolysis of light hydrocarbons in a pyrolyzer to produce low-carbon olefins?

2020-06-17View Original

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What property methods are required to simulate the pyrolysis of light hydrocarbons in a pyrolyzer to produce low-carbon olefins?
Reply #22020-06-19
CHAO-SEA PENG-ROB
Reply #32020-06-19
I’ll ask the experts again about how to solve this problem: “The pure component parameters for some components are retrieved from a database. These parameters are used with the ELECNRTL option set, unless you enter your own parameters in the property-data paragraphs. The PARAMETER THRSWT(ELEMENT/3) function is used to retrieve the pure component parameters for certain components; these parameters are utilized together with the ELECNRTL option set, unless you input your own parameters in the property-data paragraphs.” The parameter THRSWT (element/3) for component H2O is inverted “?” ? ? :'(
Reply #42020-06-20
Send the file over. If there is a heat exchanger, property methods should be assigned separately to the tube side and shell side of the heat exchanger; steamta should be used for the water side, and CHAO-sea for hydrocarbons.

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