This paper involved chemical compositions and physical phases of iron pyrite cinder and the principle of extracting iron from the cinder acid leaching.
本文叙述了硫铁矿烧渣的化学成分和物相，以及酸浸还原烧渣提取铁的基本原理。
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.
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。
It is analyzed the current use of pyrite cinder in Chenxi County and made an in-depth discussion on the new technology for the preparation of iron concentrate powder from pyrite cinder.
针对辰溪县硫铁矿烧渣的利用现状，以硫铁矿烧渣为原料，制取铁精粉的新工艺进行探讨。
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