استخراج کننده P204 در ویتنام دی نام دارد (2-اتیل هگزیل) اسید فسفریک (DEHPA), it is a widely used solvent extraction reagent in the hydrometallurgical industry. As in many other countries, P204 extractant plays a crucial role in the processing of various metals, including rare earth elements, اورانیوم, and other non-ferrous metals.