查询词典 jarosite

The study indicates that full propagation of Thiobacillus ferrooxidans in the solution is beneficial to the formation of jarosite.

利用X-射线衍射仪、扫描电子显微镜和能谱分析仪等技术对两种实验获得的黄钾铁矾进行定性分析和形貌观察。

When ferric iron concentration was high enough in the solution, jarosite was produced.

当溶液中Fe3+浓度达到一定程度的时候形成黄钾铁矾沉淀，而溶液的pH值会先变大后变小，维持在2.0～2.5之间。

The preparation of Ni-Zn ferrite from sodium jarosite residue was studied.

摘 要：对黄钠铁矾渣制备复合镍锌铁氧体进行研究。

The leaching rate of zinc is up to 98.45%,and 95.08% indium deposited in jarosite residues can be effectively recovered.

在从较难挥发的锡和铜内分离铟的过程中，铟多数富集

The results show that when the mass ratio of sodium jarosite residue to anthracite is 5∶1, reduction roast lasts at 800℃for 0.5 h, leaching is carried out at 70℃for 40 min by 0. 5 mol/L H2SO4 with liquid-solid ratio of 7∶1, 93% of both iron and nickel can be leached out.

研究结果表明：当黄钠铁矾渣与无烟煤按质量比为5∶1均匀混合，在800℃还原焙烧0.5 h，焙烧渣用0.5 mol/L硫酸溶液按液固比7∶1在70℃浸出40 min时，渣中93%的铁和镍进入浸出液中。

Iron is recovered in the form of jarosite and ferric hydroxide that the concentrations of them determinate with dichromate method are

其中铁以黄铁钒和氢氧化铁的形式回收利用，经GB/T 223.7-2002重铬酸钾滴定法滴定其铁含量分别为72.37％，62.0％己达到可综合利用的水平。

The results show that when the mass ratio of sodium jarosite residue to anthracite is 5:1, reduction roast lasts at 800℃ for 0.5 h, leaching is carried out at 70℃ for 40 mm by 0.5 mol/L H2SO4 with liquid-solid ratio of 7:1, 93% of both iron and nickel can be leached out.

研究结果表明：当黄钠铁矶渣与无烟煤按质量比为5：1均匀混合，在800℃还原焙烧0.5h，焙烧渣用0.5mol/L硫酸溶液按液固比7：1在70℃浸出40min时，渣中93%的铁和镍进入浸出液中。

After detail analysis of current several iron removal methods, it was proved that the jarosite could not only be used for iron deep purification, but also release the accumulation of sulfate, which was due to the oxidation of pyrite.

在对现行诸多除铁方案进行分析后，指出了黄钠铁矾法不仅可以从锰结核浸出氯化物溶液中深度净化除铁，而且可以同时除去黄铁矿氧化生成的大部分硫酸根，这样无疑避免了硫酸根在氯化物体系中的积累。

Jarosite process was selected for iron removal due to the characteristics of the solution originated from the reduction leaching of manganese nodules by pyrite in chloride system.

摘 要：针对酸性氯化物中黄铁矿还原浸出锰结核的溶液成分特点，选择黄钠铁矾法进行了沉淀分离铁的研究。

Aiming at some defects and shortages existing in conventional deferrization processes,such as jarosite,goethite and spray processes,in zinc hydrometallurgy process and using new movements abroad for reference,the study on new technology for removing iron by phosphate has been carried out and satisfactory results have been achieved.

针对湿法炼锌过程中，常规的铁矾法、喷淋法等除铁工艺存在渣量大、周期长、能耗高以及渣二次污染等缺陷和不足，并借鉴国外除铁新动向，进行了磷酸盐除铁法的试验研究，获得了较满意的结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。