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manganese
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    Recovery of Valuable Elements from Oxidized Manganese Ores by SO_2 Process in A Pachuca Tank
    SO_2法浸出矿石中的有价元素
短句来源
    The Oxidation of Manganese and Phosphorus in Hot Metal Pretreatment
    铁水预处理中和磷的氧化
短句来源
    PROSPECT OF BLAST FURNACE FERROMANGANESE AS VIEWED FROM DEVELOPMENT AND DEMAND OF MANGANESE FERROALLOYS
    从系铁合金的发展与需求看高炉铁的前景
短句来源
    CONSIDERATION AND SUGGESTION TO PUZZLE ABOUT MANGANESE ORE
    关于矿困扰的思考与建议
短句来源
    STUDY ON DEPHOSPHORIZATION OF MELT CONTAINING HIGH MANGANESE
    高金属熔体的脱磷研究
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  锰的
    STUDY ON PREPARATION OF MANGANESE CARBONATE BY ZINC ANODE SLIME
    锌阳极泥制取碳酸锰的研究
短句来源
    Then added 500 kg chromium nitride (8.60%N) and 150 kg manganese nitride (5.13%N), with sampled analysis the [N] was 0.35% and the [O] was 0.0029%, the comprehensive yield for added chromium nitride and manganese nitride was 87.41%.
    再加入500kg氮化铬(8·60%N)和150kg氮化锰(5·13%N),取样分析[N]为0·35%,[O]为0·0029%,加氮化铬和氮化锰的氮综合回收率为87·41%。
短句来源
    A Study on Manufacture of Electrolytic Manganese Metalby Electric Pulse Technique
    脉冲电解制备电解金属锰的研究
短句来源
    Study on the Preparation of ANMD from NMD (1)——Roasting and Transforming of Manganese Dioxide
    NMD活化制备ANMD工艺研究(1)——二氧化锰的焙烧转化
短句来源
    STUDY ON PREPARATION OF ZINC OXIDE ACTIVATED AND CHEMICAL MANGANESE DIOXIDE BY DIRECT PROCESS
    直接法制取活性氧化锌与化学二氧化锰的研究
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  “manganese”译为未确定词的双语例句
    Direct leaching of zinc sulfide concentrate by pyrolusite and simultaneous electrolysis of zinc and manganese dioxide
    硫化锌精矿、软锰矿直接浸出及Zn-MnO_2同时电解的研究
短句来源
    PRACTICE OF UTILIZING SPONGY MANGANESE ORE RESOURCES
    松软锰矿资源利用实践
短句来源
    REDUCED LEACHING AND EXTRACTION FOR THE HIGH MANGANESE AITHALITE
    高锰钴土矿的还原浸出及萃取工艺研究
短句来源
    Direct Reductive Leaching of Manganese Dioxide Ore
    软锰矿直接还原浸出的研究
短句来源
    Optimizing Restore Technology About High Manganese Steel Using SiC
    应用碳化硅优化高锰钢熔炼中的还原工艺
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  manganese
Manganese dioxides with various morphologies were prepared using a common hydrothermalmethod without any templates or additives.
      
The manganese peroxidase (MnP) activity was 2.5 times greater than that produced in cultures without glucose feeding.
      
Adsorptive behaviors of humic acid onto freshly prepared hydrous manganese dioxides
      
The morphology of natural organic matter (NOM) adsorbed by the newly formed hydrous manganese dioxide was also compared with that of NOM alone.
      
When 1 mmol/L newly formed hydrous manganese dioxide was added, the microtopography of NOM molecules shifted from a loosely dispersed pancake shape (with adsorption height of 5-8.5 nm) to a densely dispersed and uniform spherical structure.
      
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The results of blowing "semi-steel", i.e. hot metal after removing elements like V, Cr etc., in a LD hot model and LD converter are presented. As "semi-steel" con-tains almost no silicon and manganese, so the addition of slag fluidizer rapid formation of slag to avoid formation of skull on the lance is the main topic to bediscussed in this paper. Lime, as the main slag forming substance, has a very high melting point. It is found that the presence of small amounts of high melting point compounds such as...

The results of blowing "semi-steel", i.e. hot metal after removing elements like V, Cr etc., in a LD hot model and LD converter are presented. As "semi-steel" con-tains almost no silicon and manganese, so the addition of slag fluidizer rapid formation of slag to avoid formation of skull on the lance is the main topic to bediscussed in this paper. Lime, as the main slag forming substance, has a very high melting point. It is found that the presence of small amounts of high melting point compounds such as V_2O_3, TiO_2 and Cr_2O_3, can also lower the slag melting point. In order to help the dissolution of lime, the natural minerals gangue diabase, basal and clay consisting of SiO_2, MgO, Al_2O_3, FeO and several other oxides have been tried. These natural minerals with low melting point, accelerate the dissolution of lime, and form a slag of high basicity and good fluidity suitable for desulphurization. The tests indicated that the blowing is quiet and desulphurization satisfactory. Low grade silicious manganese ore and tailings from the benecification of vanadium-bearing titaniferous magnatite(both available in our country are also suggested as possible slag fluidizer

提取了V、Cr等若干元素之后的铁水习惯称为"半钢".本文叙述了在顶吹转炉热模型和顶吹转炉所做的"半钢"吹炼生产和试验的若干结果.由于"半钢"几乎不含硅、锰等元素,快速加入炉渣助熔剂以避免粘枪成为本文讨论的主题.作为炼钢熔渣主要成分的石灰熔点很高.试验中发现一定含最的V_2O_3、TiO_2及Cr_2O_3(高熔点化合物)均能降低炉渣的熔点.为了溶解高熔点的石灰,我们试验采用了由SiO_2、Al_2O_3、MgO、FeO和一些其他氧化物组成的若干天然复合矿物,如辉绿岩,玄武岩、粘土等.这些天然复合矿物具有较低的熔点并且能满足流动性好的高碱度炉渣的去硫作用.试验结果表明冶炼过程是平稳的,而且脱硫是满意的.作者认为我国大量存在的高硅贫锰矿、钒钛磁铁矿尾矿也可能是"半钢"炼钢的良好炉渣助熔剂.

Experimental work on oxygen steelmaking in a 5 ton bottom blown converter is described, both with and without lime powder injection. With lime powder injection, decarburization and dephosphorization take place simultaneously. The metal has a higher residual manganese. Desulphurization efficiency is higher and FeO content in the slag lower than in the BOF process, under similar conditions of temperature and slag composition. In addition, a higher oxygen flow rate is allowable in the bottom-blown process....

Experimental work on oxygen steelmaking in a 5 ton bottom blown converter is described, both with and without lime powder injection. With lime powder injection, decarburization and dephosphorization take place simultaneously. The metal has a higher residual manganese. Desulphurization efficiency is higher and FeO content in the slag lower than in the BOF process, under similar conditions of temperature and slag composition. In addition, a higher oxygen flow rate is allowable in the bottom-blown process.

本文叙述首钢5吨底吹氧气转炉喷石灰粉吹炼低磷铁的工艺,分析其冶金效果.底吹氧气转炉喷石灰粉炼钢,具有脱碳、脱磷同时进行和较顶吹氧气转炉有较高的余锰含量、更高的脱硫效率、更大的供氧强度和较低的渣中(FeO)含量等冶金优点.由顶吹氧气转炉炉身改造的5吨底吹氧气转炉,已取得与同车间同吨位顶吹氧气转炉相当的炉令.载粉吹氧的氧枪单位消耗为1.65毫米/炉.钢铁料消耗为1126公斤/吨钢,金属收得率为92.5%,比顶吹高2%.底吹氧气转炉喷石灰粉炼钢,因供氧方式影响了氧化机理、反应速度和反应接近平衡的程度,所以与不喷粉的底吹氧气转炉炼钢,以及顶吹氧气转炉炼钢有不同的冶金特性.

This paper describes a method of ion flotation for separating cobalt, nickel and copper from a solution of manganese ore leached with sulphur dioxide. The separation of copper, nickel and cobalt from solution (42.05 Mn, 3.24 Fe, 0.0996 Co, 0.128 Ni and 0.148 Cu g/l) was carried out with precipitant such as sodium sulfide and ethyl xanthate. Owing to the strong hydrophobility of copper sulfide, xanthates of nickel-cobalt, it was possible to remove the precipitated copper sulfide, xanthate of nickel-cobalt...

This paper describes a method of ion flotation for separating cobalt, nickel and copper from a solution of manganese ore leached with sulphur dioxide. The separation of copper, nickel and cobalt from solution (42.05 Mn, 3.24 Fe, 0.0996 Co, 0.128 Ni and 0.148 Cu g/l) was carried out with precipitant such as sodium sulfide and ethyl xanthate. Owing to the strong hydrophobility of copper sulfide, xanthates of nickel-cobalt, it was possible to remove the precipitated copper sulfide, xanthate of nickel-cobalt from the solution by ion flotation process. The recovery of copper in its sulfide concentrate and recovery of cobalt, nickel in their xanthat concentrate reached about 98% respectively. The testwork results obtained in pilot plant were similar as in bench scale. 6% NaOH was added in two stages, separation of cobalt and nickel were obtained effectively with recovery of ethyl xanthate approximately 60%.

本文叙述从二氧化硫浸出锰矿溶液中分离钴、镍、铜的离子浮选方法。从溶液(42.05Mn,3.24Fe,0.0996Co,0.128Ni和0.148Cu克/升)中,以硫化钠、乙基黄原酸盐作为沉淀剂,实现钴,镍、铜的分离。由于硫化铜、钴镍的黄原酸盐具有强烈疏水性,可用离子浮选方法从溶液中除去硫化铜、钴镍黄原酸盐的沉淀物。铜在硫化铜精矿中,钴、镍在钴镍的黄原酸盐精矿中,均有98%得到回收。扩大试验取得了和小型试验相同的指标。该过程包括分两段加入6%NaOH到钴、镍黄原酸盐中,使钴镍获得有效的分离,约60%的乙基黄原酸盐得到回收。

 
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