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- Potassium iron blue of high quality was prepared from pyrite cinders. 以硫铁矿烧渣为原料制备钾铁蓝。
- Key word: pyrite cinder, new type composite coagulant, wastewater treatment. 关键词：混凝剂,聚合,生产,处理,硫铁矿,复合,新型,废水,固体
- Therefore, laboratory continuous separation test was made on a pyrite cinder. 为此,对某地硫酸渣选铁进行了小型连选试验研究。
- The maturation of pyrite cinders for recovering iron and its mechanism were studied. 研究了熟化法回收硫铁矿浇渣中的铁及其反应机理。
- Experimental results showed that iron oxide yellow and iron oxide red could be made with pyrite cinder under suitable condition. 结果表明，在适宜的条件下，利用烧渣可以制备出用做颜料的氧化铁黄和氧化铁红。
- 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 new technology for the preparation of superfine ferric oxide from pyrite cinder is studied. 研究了用硫铁矿烧渣为原料,制取超细氧化铁红的新工艺。
- The scientific experiments can provid a nem path for utilizating of pyrite cinder. 为硫铁矿烧渣的综合应用开辟了新的途径。
- Abstract A technical and economic comparison between two kinds of pyrite cinder humidifiers is conducted. 对两种硫铁矿渣增湿器进行技术经济比较。
- 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。
- The study shows that the contents of thallium in pyrite cinders are obviously higher than the Clark value and soil background values. 结果显示硫铁矿焙烧灰渣中铊含量远高于克拉克值和土壤背景值;
- Some factors that affect the reduction of pyrite cinder, the acid solution, the neutralization and oxideization were investigated. 考察了影响硫铁矿烧渣还原、溶、和、化等过程的各种因素。
- Some factors that affect the reduction of pyrite cinder,the acid solution,the neutralization and oxideization were investigated. 考察了影响硫铁矿烧渣还原、酸溶、中和、氧化等过程的各种因素。
- Super-fine Fe_3O_4 powders were synthesized by using Pyrite Cinder as feed material via magnetic separation and maturing and purgation technology. 以硫铁矿烧渣为原料,经过磁选、熟化、除杂等生产工艺制备了超细氧化铁粉末和铁盐。
- A process of producing polyferric sulfate by reduction of roasting pyrite cinders, vitriol lixiviation and catalytic-oxidation polymerization was studied. 摘要研究利用硫铁矿烧渣为主要原料，采用还原焙烧、硫酸浸取、催化氧化聚合的工艺制取聚合硫酸铁的新方法；
- Through various analyses and tests on pyrite cinder in Suzhou Sulphuric Acid Plant,its character of technological mineral has been found out. 通过对苏州硫酸厂黄铁矿烧渣进行了多种分析测试，查明了黄铁矿烧渣的工艺矿物特征。
- A process of producing polyferric sulfate by reduction of roasting pyrite cinders,vitriol lixiviation and catalytic-oxidation polymerization was studied. 研究利用硫铁矿烧渣为主要原料,采用还原焙烧、硫酸浸取、催化氧化聚合的工艺制取聚合硫酸铁的新方法;
- GONG Zhu-qing,ZHENG Ya-jie,CHEN Bai-zhen,et al.Preparation of ferrous sulfate and benefit apprai-sal from pyrite cinders[J].Environmental Protection,2000(8):44-46. [8]龚竹青;郑雅杰;陈白珍;等.;硫铁矿烧渣制备硫酸亚铁及效益估算[J]
- This treating method can remove the sulfur and incerase the percent of iron and resolve the trouble that pyrite cinder is difficult to desulfurate. 该方法能很好地脱除烧渣中的硫并富集其中的铁,解决了多年来一直困扰着人们的硫酸渣脱硫难的问题。
