DuPont, one of the world's largest chemical companies, agreed to acquire Desalitech, a closed circuit reverse osmosis company. Financial terms were not disclosed. "As a global leader in innovative water solutions, we are committed to delivering ways to solve water challenges around the world. This acquisition in the high-growth water purification space reinforces our strategic intent to provide a robust portfolio of technologies to meet our customers' current and future challenges while advancing our corporate commitment to sustainability," Rose Lee, DuPont Safety & Construction President.