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。
The Iron-modified flocculants having better and innocuous performance is made by adopting the best scheme of modifying, in order to improve the comprehensive use of pyrite cinder.
从中选取最佳改性方案，制取性能更好、无毒的复合聚铁絮凝剂，以提高硫铁矿烧渣的综合利用水平。
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。
Abstract: in this paper, the preparation of iron oxide yellow and iron oxide red with pyrite cinder was studied.
文摘：对利用硫铁矿烧渣制备氧化铁黄和氧化铁红进行了研究。
In this paper, the preparation of iron oxide yellow and iron oxide red with pyrite cinder was studied.
对利用硫铁矿烧渣制备氧化铁黄和氧化铁红进行了研究。
The extracting iron from pyrite cinder by reductive roasting and sulfuric acid leaching was investigated.
研究了高温还原焙烧、硫酸浸取提取硫铁矿烧渣中的铁。
By means of screening and physics-chemistry treatment processes of pyrite cinder. the related norms of iron concentrate powder can meet the quality requirements by iron and steel industry.
通过对硫铁矿烧渣的筛选与理化处理，所得到的铁精粉其各相关指标均达到钢铁生产行业对铁精粉的质量要求。
The principle and the process of preparing iron oxide red from pyrite cinder were studied. The factors affecting the synthesis reaction and the process conditions of calcination were examined.
研究了以硫铁矿烧渣为原料制备铁红的工艺过程及原理，详细探讨了合成反应的各种影响因素及煅烧工艺条件。
The principle and the process of preparing iron oxide red from pyrite cinder were studied. The factors affecting the synthesis reaction and the process conditions of calcination were examined.
研究了以硫铁矿烧渣为原料制备铁红的工艺过程及原理，详细探讨了合成反应的各种影响因素及煅烧工艺条件。
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