Patent ID: 8895314

Claim:
A method for on-line concentration determination of components in a liquid hydrocarbon mixture flowing through an alkylation process, which liquid hydrocarbon mixture includes an unknown concentration of components including hydrocarbons and water, said method comprising: (a) supplying the liquid mixture through a separator in a downstream direction along a fluid flow path to an instrument in communication with the fluid flow path and configured to have responsivities to concentrations of one or more of the components of the liquid mixture; (b) supplying the liquid mixture to a temperature detector; (c) measuring a property of the liquid mixture using the instrument in communication with the fluid flow path while the liquid mixture is flowing continuously past the instrument along the fluid flow path; (d) generating temperature data for the liquid mixture using the temperature detector; (e) capturing, with a processor, data generated by the instrument and the temperature detector; and (f) determining with the processor, using the data in combination with a model of responsivities to various concentrations of the components at various temperatures, a temperature compensated concentration of components in the liquid mixture.