RHODIA ECO SERVICES, a subsidiary specialised in the environment of the French chemical group RHODIA, has acquired two special industrial waste processing companies in the United States and South Korea. The first, named HEAT ENERGY ADVANCED TECHNOLOGY, is aimed as a priority at the chemical and petrochemical industries and makes an annual turnover of $10 million. The second, called CHO YANG CHEMICAL INDUSTRIAL, specialises in industrial waste with a turnover of $17 million.