BAYOU INTERNATIONAL BUYS STAKE IN SOLOMECS <Bayou International Ltd> said it purchased one-third of the outstanding stock of Solmecs Corp N.V., a Netherlands Antilles corporation, for 1,750,000 dlrs. Bayou said it will also receive two seats on Solmecs' board. Bayou Ltd is 55.2 pct owned by Australia Wide Industries Ltd. Solmecs develops technology relating to energy conversion.