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- plumbagolike pyrolusite 石墨状软锰矿
- The main silver-bearing minerals were psilomelane, pyrolusite, limonite, galena, pyrite and sphalerite. 主要载银矿物有硬锰矿、软锰矿、褐铁矿、方铅矿、黄铁矿和闪锌矿。
- The mineral components of nodules are mainly pyrolusite, psilomelane and limonite. 锰结核主要由硬锰矿、软锰矿、褐铁矿构成。
- The effect of agitation rate on desulfuration reaction mechanism of pyrolusite pulp was investigated. 研究了搅拌强度对软锰矿浆湿法脱硫反应的影响。
- By curing process,and used pyrite,pyrolusite and sulfuric acid as material,manganous sulfate was product. 本文介绍了高效实用的软锰矿浆脱硫的新技术和工艺流程以及硫酸锰副产品的回收。
- The function of pyrolusite coexisting component in flue gas desulfurization was studied. 研究了软锰矿的共存组分在烟气脱硫过程中的作用。
- Simultaneous acid leach of ZnS concertrata and Pyrolusite ore is used to obtain Zn and Mn Solution,leach rates of Zn and Mn are up to 97% and 95%. 将硫化锌精矿与软锰矿同时浸出;得到 Zn 和 Mn 溶液;锌和锰的浸出率分别97%25和95%25.
- The result showed that in different time pyrolusite coexisting component had different effect on desulfurization efficiency and manganese iron. 结果表明,软锰矿的共存组分对于脱硫率及锰离子浓度在不同时间有不同程度的影响。
- Waste acid from a titan white plant was used directly to leach pyrolusite ore with addition of pyrite for making manganese sulphate. 利用钛白生产过程中产出的废酸为原料,以软锰矿、黄铁矿直接浸出制取硫酸锰产品。
- This research would be a theoretic foundation of the industry application in preparation of vitriol from pyrolusite flue gas desulfurization. 这为软锰矿烟气脱硫制硫酸锰的工业应用提供了理论依据。
- Based on the theory of iodimetry,a new analytical method for the rapid titration of manganese dioxide in pyrolusite is developed. 利用碘量法基本原理,建立了一种快速测定软锰矿中二氧化锰含量的新方法。
- The Raw materials were pyrite, pyrolusite and waste sulphuric acid.The filter of produced precipitate in acid hydrolysis is easily. 其工艺的特点是产品成本低,并且酸解过程产生的沉淀容易过滤。
- The compositions of major elements show that the psilomelane is rich in K and poor in Mn, but pyrolusite is rich in Mn and poor in K. 常量元素含量表明:硬锰矿富钾、贫锰,软锰矿贫钾、富锰。
- The oxidation of FeS 2 and reduction of MnO 2 are essencial for the preparation of manganese sulfate through the process of co calcining pyrolusite and pyrite. 软锰矿和黄铁矿共同焙烧制取硫酸锰实质上是完成FeS2 的氧化和MnO2 的还原两大主要反应。
- Main metallic minerals in the manganese-silver concentrate were psilomelane, pyrolusite, pyrite, limonite, and a few arsenopyrite, hematite and sphalerite. 该锰银精矿的主要金属矿物为硬锰矿、软锰矿、黄铁矿、褐铁矿、少量毒砂、赤铁矿和闪锌矿;
- This artical introduces the effective practical new technique and it' s process for desulfurizing with pyrolusite slurry and the by-product recovery of manganous sulfate. 采用重结晶、沉淀法和直接加热法对某化工厂对苯二酚生产过程中得到的硫酸锰副产品进行了分离纯化的实验室研究。
- The basic principle and technological process for producing mangano-manganic oxide from cheap pyrolusite by phase transformation method were introduced. 为了降低四氧化三锰的生产成本,介绍了以价格低廉的软锰矿为原料,使用相转变法制备四氧化三锰的基本原理和工艺过程。
- Test results show that the percentage of manganese leached out is dependent on pyrolusite charge,plant powder charge,sulphuric acid volume,temperature and duration of leaching. 试验结果表明:软锰矿中锰的浸出率受到软锰矿用量、植物粉料用量、硫酸用量、浸出温度及浸出时间等因素的影响。
- The mass ratio of cellulose reductant to pyrolusite,the size of cellulose reductant and the component change of pyrolusite after reduction were investigated. 考查了纤维素还原剂与软锰矿的质量比、纤维素粒度对还原效果的影响,分析了还原反应前后软锰矿矿物相的变化。
- A new technique for preparation of zinc oxide activated and chemical manganese dioxide directly from Zinc concentrate and pyrolusite in chlorhydric acid medium is reported. 报道了盐酸介质中直接用锌精矿和软锰矿制取活性氧化锌和化学二氧化锰的新工艺。