BRIEF-Solvay to increase natural soda ash production in US
February 04, 2014 at 01:43 AM EST
BRUSSELS, Feb 4 (Reuters) - Solvay SA : * Says to increase natural soda ash production capacity in the U.S. * To increase annual production capacity at Green River plant in Wyoming by 150,000 metric tons as of early next year * Says construction works have already begun to expand production capacity at Green River Rrona mine
