A process comprising the steps of: separating a reaction product into a stream comprising unreacted C 5 and C 6 paraffins and olefins, a stream comprising C 10 to C X-1 olefins, a stream comprising C Y+ olefins, and a product stream comprising C X to C Y olefins, where X is at least 14 carbons and Y is greater than X and less than or equal to 36; reacting at least a portion of a feedstock comprising C 5 and C 6 olefins and paraffins under dimerization conditions to provide a first portion of the reaction product, wherein the feedstock comprising C 5 and C 6 olefins and paraffins contains 50 mass % or more of C 5 and C 6 paraffins, and at least 1 mass % of C 5 and C 6 olefins; reacting the stream comprising C 10 to C X-1 olefins and the stream comprising C Y+ olefins under metathesis conditions to provide a second portion of the reaction product; and subjecting the product stream comprising C X to C Y olefins to (a) an alkylation process with benzene under alkylation conditions to produce an alkylation effluent comprising alkylbenzenes and benzene; (b) a sulfonation process to produce a hydrocarbon sulfonate; or (c) a combination of (a) and (b); wherein the dimerization conditions include the presence of a catalyst and elevated temperatures and pressures, wherein the temperatures for the dimerization are in the range of 40°C (104°F) to 250°C (482°F) and pressures of from 100 kPa (a) (14.5 psi (a)) to 2000 kPa (a) (290 psi (a)); and wherein metathesis reaction conditions include the presence of a metathesis catalyst and temperatures in the range of 20°C (68°F) to 300°C (572°F) and pressures within the range of from 100 kPa (a) (14.5 psi (a)) to 2000 kPa (a) (290 psi (a)). separating a reaction product into a stream comprising unreacted C 5 and C 6 paraffins and olefins, a stream comprising C 10 to C X-1 olefins, a stream comprising C Y+ olefins, and a product stream comprising C X to C Y olefins, where X is at least 14 carbons and Y is greater than X and less than or equal to 36; reacting at least a portion of a feedstock comprising C 5 and C 6 olefins and paraffins under dimerization conditions to provide a first portion of the reaction product, wherein the feedstock comprising C 5 and C 6 olefins and paraffins contains 50 mass % or more of C 5 and C 6 paraffins, and at least 1 mass % of C 5 and C 6 olefins; reacting the stream comprising C 10 to C X-1 olefins and the stream comprising C Y+ olefins under metathesis conditions to provide a second portion of the reaction product; and subjecting the product stream comprising C X to C Y olefins to (a) an alkylation process with benzene under alkylation conditions to produce an alkylation effluent comprising alkylbenzenes and benzene; (b) a sulfonation process to produce a hydrocarbon sulfonate; or (c) a combination of (a) and (b); wherein the dimerization conditions include the presence of a catalyst and elevated temperatures and pressures, wherein the temperatures for the dimerization are in the range of 40°C (104°F) to 250°C (482°F) and pressures of from 100 kPa (a) (14.5 psi (a)) to 2000 kPa (a) (290 psi (a)); and wherein metathesis reaction conditions include the presence of a metathesis catalyst and temperatures in the range of 20°C (68°F) to 300°C (572°F) and pressures within the range of from 100 kPa (a) (14.5 psi (a)) to 2000 kPa (a) (290 psi (a)). <EOS>