BUCHAREST, Aug 14 (Reuters) - Romanian Prime Minister Florin Citu said on Saturday he will nominate Liberal lawmaker and economist Dan Vilceanu as finance minister. Citu, who sacked former minister Alexandru Nazare in early July saying ministry projects to tap European Union funds and combat tax evasion were delayed, has been acting as interim minister. Nazare"s dismissal and Vilceanu"s nomination come before an internal election within the ruling Liberal Party, with Citu challenging party leader Ludovic Orban. Reporting by Luiza Ilie Our Standards: The Thomson Reuters Trust Principles.