查询词典 iron pyrite

They crystallized in veins that are several centimeters in diameter, which were made up mainly of calcite, sodium feldspar albite, and iron sulfite pyrite.

它们体现在那些静脉直径几厘米，其中大部分为方解石，钠长石钠长石，黄铁矿和铁的亚硫酸盐。

Its one of the promising utilization methods of pyrite cinder to use its high iron content in synthesizing PFS.

利用烧渣中较高含量的铁元素进行无机高效水处理剂PFS的开发，是硫铁矿烧渣最有前途的综合利用途径之一。

The maturation of pyrite cinders for recovering iron and its mechanism were studied.

研究了熟化法回收硫铁矿浇渣中的铁及其反应机理。

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。

By the Test, we find out the better technological conditions, the results show that the secondary magnetic-spiral and spiral -magnetic are the better flowsheet for the pyrite cinders. Under the action of muriatic acid and hydrofluoric acid, the content of sulphur, silicon, lead, copper are descend to 0.21%, 8.26%, 0.053%, 0.023%. A total iron concentrate containing 62.34% Fe is obtained with recovery of 78.08% Fe.

通过试验，得到较优的工艺条件，结果表明，两段磁选—螺旋溜槽是较适合于该种硫铁矿烧渣的工艺流程；再经HCl、HF等酸浸脱杂降硫除铅，获得品位为62.34％，回收率为78.08％的铁精矿产品，S、SiO_2、Pb、Cu的含量分别降为0.21％、8.26％、0.053％、0.023％。

Since its establishment 10 years, has the gold, platinum palladium, iron, manganese, copper, lead and zinc, bauxite, rare earth, coal, phosphorus, pyrite, glauberite, bentonite, asbestos, gypsum, quartz sandstone and limestone , Sand shale, granite, marble and building materials Bittern, mineral water, hot springs and many other items were assessed.

公司成立十年以来，已对金、铂钯、铁、锰、铜、铅锌、铝土、稀土、煤、磷、硫铁矿、钙芒硝、膨润土、石棉、石膏、石英砂岩、石灰石、砂泥岩、花岗石、大理石建材及盐卤、矿泉水、温泉等众多项目进行了评估。

Through thermodynamic calculation and electrochemical analysis of multiple redox reactions on the minerals of galena, sphalerite and pyrite in different system, it could be found that pulp chemical environment in which hydrophobe of collectorless flotation produced was beneficial to reduce collector dosage in existing flotation system; electrochemical analysis on sphalerite had been engaged; and pulp chemical environment of OPF for lead-zinc-iron sulfide minerals and relevant selective measure for collector and modifer were established.

通过对方铅矿、闪锌矿、黄铁矿在水体系、调整剂体系、捕收剂体系中由局部电池造成的多种氧化—还原反应的热力学分析和电化学测试，补充和完善了铅锌铁硫化矿浮选电化学理论。提出了矿物表面无捕收剂疏水体生成的矿浆化学环境有利于降低现有浮选体系中捕收剂用量的观点；成功地进行了闪锌矿的电

In oxygen deficient high temperiture combustion, the amount of volatic material evolved influene the conversion of sulfur in coal, high volatile content restrains the oxidation of pyrite and iron sulfide , which causes compavatively large amount of iron sulfide left in char. At the condition of air coefficient α=0.4, the sulfur conversion is up to 87% for SHONGZHAO anthracite coal, 72% for FORGCHANG bituminous coal, and the conversion is compeleted within 0.5 see.

在高温贫氧状态下燃烧，煤中硫的释出率高于煤的燃烧率，高挥发份将抑制黄铁矿的氧化释放出来，即影响煤中硫的释出率，在过量空气系数为40％时，松澡无烟煤能达到87％的硫的释出率，丰城烟煤达到72％的硫的释出率。

In this paper, the preparation of iron oxide yellow and iron oxide red with pyrite cinder was studied.

文摘：对利用硫铁矿烧渣制备氧化铁黄和氧化铁红进行了研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了