Arụ ọrụ ụkpụrụ: Low ọcha nitrogen na hydrogen n'ime igwekota wee abatakwa ruru, deaerator, ala dị ọcha nitrogen na oxygen na chemical mmeghachi omume nke mmiri na hydrogen na deoxidation mkpali n'okpuru edinam nke chemical usoro: 2H2 + O2, 2H2O + Q , omimi nke mmapụta oxygen wepụrụ; mgbe jụrụ mmiri, na mgbe ahụ n'ime draya mgbe elu ájá miri emi akpịrị ịkpọ nkụ na-adị ọcha nke nitrogen.
