压块加入后，压块中的铁和碳通过反应参与了泡沫渣的生成； 压块中的锌和铅被快速还原，进入二次粉尘。

The ferrous oxide and carbon make slag foaming, and zinc and lead enter the secondary dust after reduction.

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而烧渣中一般含铁20% ~ 60%，以及少量铜、锌和微量金银等有价值元素，是一种二次资源。

However, the pyrite cinder, a resource that can be reused, contains 20 percent to 60 percent iron and small amount of valuable elements, such as copper, zinc, and trace gold and silver.

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酸液和稠油接触后易产生酸渣以及酸化后酸岩二次产物造成的伤害(堵塞地层通道，不能有效增产)等。

Acid and heavy oil contact is easy to produce acid sludge and secondary products and which would make damage (Plug formation channel, Can not effectively increase production) etc.

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