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- 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。
- 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。
- 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。
- 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。
- 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。
- The technology for preparation of ferrous sulfate from pyrite cinder by reduction roasting-acid leaching method was studied,and the optimal process conditions were established. 研究了硫铁矿烧渣还原酸浸制取硫酸亚铁溶液的工艺过程,并确定了该过程的适宜工艺条件。
- This paper studies the sulfuric acid decomposition of pyrite cinder Preparation soluble sulphate,Kraft then under certain conditions,products made from iron oxide relevant principles and methods. 研究了用硫酸分解硫铁矿烧渣制备可溶性硫酸盐,再由硫酸盐在一定条件下制成相关氧化铁产品的原理和方法;
- The content of total iron in the pyrite cinder is determined by redox titration, complex titration and absorptionphotometry .Comparison and evaluation of the character of these means are made. 以氧化还原滴定法、络合滴定法及分光光度法对硫铁矿烧渣中全铁含量进行分析测定,对各种测定方法的特点进行了比较和评价。
- 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。
- SW desulphurizer for H2S removal from acidgases such as marsh gas and city gas was preparedby mixing pyrite cinder with adhesive and assistant,vibration forming, activation and drying. 硫铁矿渣与粘结剂、助剂混合后，经摇振成型、活化、烘干，制成脱硫剂，用于沼气、煤气等气体的H2S脱除。
- The experiment and industrial application of recovering iron concentrate from pyrite cinder with vertical magnetic separator with pulsating vibration magnetic field were introduced. 介绍了立式脉冲振动磁场磁选机选别硫酸渣(黑渣)试验及工业生产情况,探讨了硫酸渣利用存在的问题及发展方向。
