Metal deposit environmental pollution originates from the oxidation and decomposition reaction of metal sulfides, particularly pyrite ( FeS2) and pyrrhotite ( FeS). 金属矿山环境污染源于金属硫化物特别是黄铁矿、磁黄铁矿的氧化分解。
Remobilized iron sulphides will precipitate as pyrrhotite at high temperatures and as pyrite when temperature decreases. 铁硫化物在高温下的再活化产物主要是磁黄铁矿,而低温下则主要为黄铁矿。
Pyrrhotite solid solution, subsequent to crystallization from sulfide melt, will suffer strong annealing during slow cooling. 磁黄铁矿固治体从硫化物熔体结晶后,在缓慢冷却过程中经历了显著的退火。
Progress of Separating Pyrrhotite from Magnetite with High-Sulphur-Content 分离高硫磁铁矿中磁黄铁矿的研究进展
Ore bearing stratum contain richly pyrrhotite, pyrite, spessartine and dannemorite. Additionly, there are smaller arsenopyrite and cobaltite. 赋矿层位中富含磁黄铁矿、黄铁矿、锰铝榴石和锰铁闪石。
After the pyrolysis coking process, the pyrrhotite was the main form of the catalyst residual. 经过热解制焦后,催化剂残留的主要形态是磁黄铁矿。
Lime shows a certain inhibition on hexagonal pyrrhotite, but no obvious inhibitory effect on monoclinic pyrrhotite. 石灰对单斜磁黄铁矿的抑制作用不明显,而对六方磁黄铁矿具有一定的抑制作用。
The chemical composition, physical properties and crystal structure of pyrrhotite determines its floatability, surface oxidation and brittleness, etc. 磁黄铁矿的化学组成、物理性质和晶体结构决定其可浮性、表面易氧化程度、性脆等特性。
Annealing and coarsening of monoclinic exsolution lamella in pyrrhotite in some nickel-copper ores from Norway 挪威某些铜镍矿石中单斜磁黄铁矿出溶体的退火和粗化
Pyrrhotite, Pentlandite and chalcopyrite are main metallic minerals in cop-per-nickel sulfide deposits. 磁黄铁矿、镍黄铁矿、黄铜矿是这类矿床的主要金属矿物。
Research on Depression Mechanism of Pyrite and Pyrrhotite by New Organic Depressant RC 新型有机抑制剂RC对黄铁矿和磁黄铁矿的抑制作用研究
Discovery of pyrrhotite exsolution in apatite 磷灰石中磁黄铁矿出溶结构的发现
Comparative Study of Pyrrhotite Textures in Two Massive Sulfide Deposits, Fujian Province 福建两个块状硫化物矿床中磁黄铁矿结构的研究
The results show that there is a strong oxidized electrode process and SO 2-_4 ions formation on the surfaces of marmatite and pyrrhotite in Ca ( OH)_2 system. 结果表明,在Ca(OH)2体系中,铁闪锌矿和磁黄铁矿表面都有一个不断被强烈氧化的电极过程,并生成SO42-离子。
Study on Separation of Jamesonite from Pyrrhotite by Using RC as a New Inhibitor 新型抑制剂RC分离脆硫锑铅矿和磁黄铁矿的研究
Reaction mechanism of the surface oxidation for pyrrhotite was studied by using cyclic voltammetric measurements. 通过循环伏安曲线测量,阐明了磁黄铁矿表面氧化的机理。
Pyrrhotite can have change in the magnetism due to its different Fe/ S. 磁黄铁矿因其Fe/S不同,磁性会发生变化。
The pulp concentration has effect on the leaching rate of pyrrhotite and marmatite. 矿浆浓度对磁黄铁矿和铁闪锌矿的细菌浸出有影响。
A process of increasing recovery of gold and copper of pyrrhotite type gold ores of high sulfur and copper content is investigated in a gold mine, Anhui Province. 本文对安徽省某金矿磁黄铁矿型高硫含铜金矿石提高金铜回收率的工艺进行试验研究。
Mainly coarse grained gold, along with pyrite, pyrrhotite, arsenopyrite, and minor base metal sulfides, occur in networks of quartz veinlets, brecciated wallrock, and disseminated in altered wallrock. 大部分粗粒金主要赋存在网格状石英细脉和角砾状围岩中的黄铁矿、磁黄铁矿、毒砂和少量贱金属硫化物中和以分散状分布在蚀变围岩中。
Selective Flotation Separation of Jamesonite from Pyrrhotite by Lime 脆硫锑铅矿与磁黄铁矿在石灰介质中的浮选分离研究
Experimental Research of Separating Magnetite From Strongly Magnetic Pyrrhotite by Flotation 浮选分离某磁铁矿和富含磁黄铁矿的试验研究
The practice for the separation of pyrrhotite and magnetite by flotation 磁黄铁矿与磁铁矿的浮选分离实践
The typomorphic characteristics of pyrrhotite can be regarded as indicator of prospecting and evaluating for gold deposit. 磁黄铁矿的标型特征可以作为寻找和评价金矿床的指示标志。
Study on the flotation properties of Jinchuan pyrrhotite 金川磁黄铁矿浮选特性的研究
A new method for separation of marmatite from Pyrrhotite by flotation 铁闪锌矿与磁黄铁矿浮选分离新方法研究
Microwave exposure converted pyrite to pyrrhotite and/ or troilite, and ferrous sulfate to other phases. 经微波照射,黄铁矿转变成磁黄铁矿和陨硫铁,硫酸亚铁可能转变成其它铁相,其程度随着脱硫深度的变化面变化。
It is seen that the desulphurization effect is improved. Moreover, flotation mechanism was investigated in this study, and all factors affecting the removal of pyrrhotite from magnetite concentrate. 提高了浮选脱硫效果。另外,通过试验对浮选机理进行研究,解释了各种因素对磁铁矿精矿中磁黄铁矿浮选的影响。
Flotation is the most common method for the separation of pyrrhotite from other minerals. 浮选是分离磁黄铁矿与其它矿物最常用的方法。
The new depressant CH-1 and CH-2 have great effect on pyrrhotite and pyrite. 新型抑制剂CH-1、CH-2对磁黄铁矿和黄铁矿有很好的抑制作用。