Municipal wastewater represents the largest application in China and in the world, the report suggests, and the migration of one billion people in Asia from the countryside to cities is creating huge needs for municipal wastewater treatment plants in that country. The chemical industry is also a big growth area, with power being the third largest application. In 2007 China has become the leading operator of coal-fired
 power plants in the world, and by 2011 it is projected that China will be operating twice the coal-fired capacity of the US and more than all of Europe combined, McIlvaine says.