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Na₂S +CuO+H₂O=2NaOH +CuS (1)

NaSR +CuO +H₂O=NaOH+CuSR+ R₂S₂ (2)

ʽ��, R ��期N��,��(y��ng)��ɵĳ��Ҫ��CuS��CuSR��δ��(y��ng)��CuO��ЙC(j��)��M��,��(j��ng)��Һ��x,��ڠt��Ɵ��,�õ��CuO,��ѭ�h(hu��n)ʹ��,��(y��ng)��:

CuS +O₂ (�՚�)=CuO + SO₂ (3)

CuSR +O₂ (�՚�)=CuO + SO₂ +CO₂ +H₂O (4)

�Ɵ��β���Na2CO3 ��Һ��,��ɽ��c��a(ch��n)Ʒ,��

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