【摘要】 在1600℃、常压Ar气氛下，向钢液中分别加入NH4及（NH4)2C2O4，将400g钢水含铜量从0．5％分别降至0．31％及0.38％仅用脱铜剂07～0．8g．然而，如果不降低体系的压力，在相同条件下用铵盐脱铜很难将钢含量降至0．30％以下．更多还原

【Abstract】 The experiments were carried out at 1 600℃ and normal pressure under an Ar atmosphere. The result showed that the copper content (mass fraction)in steel melt of 400g was reduced from about 0.5% to 0.31% and 0.38% respectively when 0.7~0.8g of NH4Cl or (NH4)2C2O4 as the decopperizing agents added to the melt. However it is very difficult to reduce the copper content below 0.3% without reducing the pressure of the reaction system.更多还原