очистка - centrifugal purification - chemical purification - coarse purification - divided-flow purification - dry gas purification - final purification - gas purification - oxide purification - primary purification - purification of fuel - wet gas purification
PURIFICATION
Англо-русский перевод PURIFICATION
ВНИИГАЗ, РАО ГАЗПРОМ. Big English-Russian dictionary of oil and gas. Большой Англо-Русский словарь по нефти и газу. 1998