pyrolusite

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%和95%.

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。

The new technology is characterized by SO2 in flue gas being absorbed by the slurry of pyrolusite and manganese spar in a circulating absorbing tower with MnSO4 as a by-product.

摘要介绍软锰矿、菱锰矿吸收SO2烟气制取硫酸锰的新方法和新技术，在热电分厂锅炉排放烟气综合治理中的应用研究。

A new technology of catalytic decomposing chalcopyrite with pyrolusite in acidic medium is introduced.The effect of main factors is elucidated emphatically and optimum process conditions are proposed.

介绍用软锰矿在酸性介质中催化分解黄铜矿的新工艺，着重阐述各主要因素的影响情况，并提出最佳工艺条件。

The technological process of recovering copper and bismuth in wet handling elution residue by adding pyrolusite as oxidizing agents under the condition of ordinary pressure,low temperature,acidity.

主要介绍在常压、低温、酸性条件下加软锰矿为氧化剂湿法处理洗净残渣提取铜和铋的技术。

Abstract： The preparation of manganese carbonate from the lean pyrolusite ore, by using plant dust and leaching method with sulphuric acid, was investigated.The raw material is soft mangnetic ferrite.

摘 要： 研究了以低品位软锰矿石为原料,配入植物粉料,用硫酸直接浸出软锰矿制备软磁铁氧体用碳酸锰的新工艺方法。

The technological feasibility of SO2 removal from tail gas of single-absorption H2SO4 plant with aqueous pyrolusite suspension as absorbent and commercial MnSO4 as byproduct is examined.

研究用软锰矿的水悬浮液脱除一转一吸硫酸生产尾气中的SO2并副产工业硫酸标的工艺可行性。

Keywords pyrolusite;iron pyrites;roasting;leaching;

软锰矿;硫铁矿;焙烧;浸取;

Keywords Pyrolusite;Residue;Copper;Bismuth;

软锰矿;残渣;铜;铋;

Study on Flue Gas Desulfurization with Pyrolusite Pulp

软锰矿烟气脱硫研究

Keywords pyrolusite;reducer;deoxidize;lixiviate;purify;

软锰矿;还原剂;还原;浸出;净化;

Keywords Silver-manganese ore;Pyrolusite;HIMS;Flotation;

银锰矿;软锰矿;强磁选;浮选;

Keywords pyrolusite;flue gas;desulfurization;reactor;

软锰矿;烟气;脱硫;反应器;

Keywords manganese sulphate;wet-method;pyrolusite;pyrite;

硫酸锰;湿法生产;软锰矿;硫铁矿;

Keywords manganese sulfate;rhodochrosite;pyrolusite;

硫酸锰;菱锰矿;软锰矿;

Keywords pyrolusite;flue gas desulfurization;sulfur dioxide;

软锰矿;烟气脱硫;二氧化硫;

Preparation of Manganese Sulfate from Pyrolusite with Cellulose as Reductant

纤维素还原低含量软锰矿制备硫酸锰

Influence of Agitation Rate on Desulfuration Reaction of Pyrolusite Pulp

锰浆脱硫中搅拌强度对脱硫反应影响研究

Study on Pyrolusite Coexisting Component in Flue Gas Desulfurization

软锰矿共存组分在烟气脱硫过程中的实验研究

Study on flue desulfurization by catalysis and oxidation function of pyrolusite

软锰矿催化氧化烟气脱硫研究

Study on simultaneously Leaching of Pyrolusite and Flotation Galena Concentrate

方铅矿和软锰矿两矿法浸出工艺的研究

STUDY ON THE PREPARING MANGANESE SULFATE FROM DIRECTLY REDUCTIVING PYROLUSITE

软锰矿直接还原浸取制备硫酸锰的研究

A Research on Preparation of Manganous Salt with Low Grade Pyrolusite

利用贫软锰矿制备锰盐的研究

Keywords air excess coefficient;Pyrolusite pulp;Desulfurization Reaction;

空气过剩系数;软锰矿;脱硫反应;

Keywords pyrolusite;SO_2;manganese sulfate;decontaminating;crystallizing;

软锰矿;二氧化硫;硫酸锰;净化;

Keywords BP artificial neural network;pyrolusite;pyrite;roasting;leaching;

BP神经网络;软锰矿;黄铁矿;焙烧;浸取;

Keywords manganese sulfate;pyrolusite;wet-method;reduction;Fenton reagent;

硫酸锰;软锰矿;湿法;还原;芬顿试剂;

Keywords Flue gas desulfurization;SO_2;pyrolusite;Jet bubbling reactor;

烟气脱硫;二氧化硫;软锰矿;喷射鼓泡反应器;

Keywords pyrolusite;cellulose;reductant;reduction leaching;manganese sulfate;

软锰矿;纤维素;还原剂;还原浸出;硫酸锰;

Keywords Pyrolusite;Flue gas desulfurization;Sulfur dioxide;Manganese sulfate.;

软锰矿;烟气脱硫;二氧化硫;硫酸锰;

Keywords pyrolusite;flue gas desulfurization;desulfurizing mechanism;

软锰矿;烟气脱硫;脱硫机理;

Keywords two-ores method;pyrolusite;manganese sulfate;technology study;

两矿法;软锰矿;硫酸锰;工艺研究;

pyrolusite resource can be effectively used so that it's good for environment;

化废为宝，有效地利用了软锰矿资源，改善环境；