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1.1 ԭ��

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(1)�A��Һ��H₂S�ķ��(y��ng)��Na₂CO₃+H₂S→(pHֵ8.5-9.5)NAHS+NaHCO₃

(2)��򷴑�(y��ng)��NaHS+NaVO₃+H₂O→Na₂V₄O₉+NaOH+S

(3)��B(t��i)��z��Na₂V₄O₉��NaVO₃��Na₂V₄O₉+TQ(��B(t��i)��z)+NaOH+H₂O→NaV0₃+THQ(�ӑB(t��i)��z)

(4)߀ԭ�B(t��i)��z��THQ+O₂→TQ+H₂O

��,��a(ch��n)��߀��c,��c�ȵĸ��(y��ng)��2NaHS+2O₂→Na₂S₂O₃+H₂O��NaCN+S→NaCNS,��2NaCNS+5O₂→Na₂SO₄+2CO₂+SO₂+N₂

1.2 ��ˇ��

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1.3 ��zÓ��

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(2)Ó��Һ��͑Ҹ��,��Ó��Һ��Ч�ʵĸߵ�ֱ��Ӱ��򻯚��Һ�Ҹ��ĺ��Ҹ��^��,��^��,��ѭ�h(hu��n)��r(sh��)��ֱ��ɶ��,��Ӱ��Ч�ʺ͑Ҹ��ߵ��Ҫ��ؼ�̎��k��У��ىA��ǻ�ͽY(ji��)��w��^��ܻ򇊾׵�ԭ��՚⇊��,��ʹ��՚��С��,��ĭ�a(ch��n)��С��ˇ��ÿ��һ��,��C��՚��,��՚��^��ƫ��ʹ��Һ��v��,��x��ĭ��M(j��n)��ؚҺ��,��ʹ�Ҹ��ߡ��8��(g��)��^,��(y��ng)�Y(ji��)��λֵ�{(di��o)�Ç��^��(g��)��(sh��)��_��,��pСƫ��F(xi��n)�󡣢�Һλ�^��,��ĭ��,��ֲ��ܼ��r(sh��)��Ҳ��ؚҺ�БҸ��,��ˆT��(y��ng)��ƽ��Ͱλ��,��ӏ�(qi��ng)��ضȿ��Ҫ��,��ضȸ�,��H₂S��,��ļ��ضȑ�(y��ng)≤45��,��ضȑ�(y��ng)≥35�棬��,��(40±2)��,��

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4 �Y(ji��)��Z

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