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长石
相关语句
  feldspar
    THE DEVELOPMENT OF POTASSIUM FELDSPAR RESOURCES USED FOR CERAMICS IN ANHUI PROVINCE
    安徽省陶瓷用钾长石资源的开发
短句来源
    The process of separating impregnated iron from potash feldspar has been studied in alkaline solution by JC-COP activator and enhanced leaching agent after reelection and magnetic separation, as a result, the content of Fe2O3 in potash feldspar product decreases from 4.05% to 0.1%~0.2%, and its color becomes white from pink, its quality is high, and the economic benefi t will be improved.
    研究了钾长石经重选、磁选后,利用JC-COP铁活化剂、增浸剂在碱性条件下分离钾长石中浸染型铁,可使钾长石中Fe2O3含量从4.05%降低至0.1%~0.2%范围,产品由淡粉红变为纯白色,达到优质产品标准,提高了经济效益。
短句来源
    New Technology of Synthetic Utilization on Potash Feldspar
    钾长石综合利用的新工艺
短句来源
    Study on Iron Removal Processing of a Potash Feldspar Ores with High Iron
    某高铁钾长石除铁工艺流程研究
短句来源
    Preparation of Mineral Polymer from Potassium Feldspar Wastes: An Experimental Study
    利用钾长石尾矿制备矿物聚合材料的实验研究
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    Production and Application of Nephetite Syenite
    长石和霞石正长岩生产和应用
短句来源
    Geological Characteristics of Potassium Deposit in Feicheng City
    肥城钾长石矿床地质特征
短句来源
    Field obserbation and laboratory study indicate the main type of rock alterationwere K-feldsparization, biotitization, sericitization, silication, epidotization,chloritization and carbonatization.
    通过野外观察及室内研究表明,围岩蚀变类型主要有钾长石化、黑云母化、绢云母化、硅化、绿帘石化、绿泥石化和碳酸盐化,从早至晚可分为三期:早期为钾长石-黑云母化;
短句来源
    CaO, Na2O and a part of K2O were leached, another part of K2O could be fixed in newly forming minerals-sericite and biotite, and Al2O3 formed corundum (C).
    长石被交代分解后释放出的CaO、Na_2O和部分K_2O被淋滤带出,另一部分K_2O可进入新生矿物云母而保留下来,释放出的Al_2O_3则形成刚玉.
短句来源
    Industrial test shows that Fe 2O 3 contentin Lianzhou orthoclase powder can be reduced from 0.27 % to 0.18% after the treatment of dry HGMS,meeting the demand of industrial production.
    工业试验表明:经过干式永磁高梯度磁选机处理后,连州钾长石粉料中的Fe2O3从0.27%降至0.18%,达到了工业生产的要求。
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  feldspar
The rocks are classified into greywackes or feldspar sandstones, grains of which are the mixtures of mafic rocks, felsic rocks, and quartz+calcite.
      
In conjunction with high abundances of Ba and Sr, as well as low abundances of Y and HREE, these patterns suggest a feldspar-poor, garnet±amohibole-rich fractionation mineral assemblage.
      
Empirical relationships describing the composition dependences of the chemical durability of glasses in the diopside-albite, diopside-anorthite, diopside-orthoclase, diopside-quartz, and diopside-feldspar systems are derived.
      
Two glasses of the same chemical composition manufactured while using two different sources of aluminosilicates: (1) sodium feldspar and (2) volcanic tuffs have been compared [1].
      
The influence of bacterial activity on glauconite formation is supported by the study of dissolution zones on quartz and feldspar grains, which revealed biomorphic structures akin to fossilized bacteria.
      
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The paper describes the magnetic separation of the Saima uranium ore containing rinkolite for concentration of uranium, thorium and rare earth to more useful extent. An effective method for selectively enhancing magnetic susceptibility of the minerals is applied to the process of magnetic seperation . By this way, uranium-bearing minerals can be separated from gangue minerals at lower magnetic field intensity. Thus the flowsheet of magnetic separation process is simplified and better performance is attained....

The paper describes the magnetic separation of the Saima uranium ore containing rinkolite for concentration of uranium, thorium and rare earth to more useful extent. An effective method for selectively enhancing magnetic susceptibility of the minerals is applied to the process of magnetic seperation . By this way, uranium-bearing minerals can be separated from gangue minerals at lower magnetic field intensity. Thus the flowsheet of magnetic separation process is simplified and better performance is attained. As a result, the feldspar tailing amounting to 27%(by weight) at grad of 0.0074%U can be rejected and the grade of the concentrate is up to 0.068%U from 0.046%U of the ore feed.

本文主要论述了从含绿层硅铈钛矿的矿石中富集铀、钍、稀土的磁选方法。在磁选过程中采用了选择性增强矿物磁性的措施,使含铀矿物与脉石能在降低磁场强度的情况下进行分离,因而简化了选别流程,改善了选别指标。采用此种磁选方法可废弃含铀0.0074%产率为27.0%的长石尾矿;铀品位可由原矿的0.046%富集到0.068%。

This paper describes in detail an investigation about selective flocculation of ilme-nite from ilmenite-feldspar mixtures using a partially hydrolysed polyacrylamide floc-culent and a modified polyacrylamide possessing hydroximic acid functional groups.Ithas been found that the lattice impurities and surface condition of feldspar and theion constituents of suspension have remarkable effects on the flocculation behavior ofminerals and the selectivity of the process.The unfavorable effects as above can bedecreased...

This paper describes in detail an investigation about selective flocculation of ilme-nite from ilmenite-feldspar mixtures using a partially hydrolysed polyacrylamide floc-culent and a modified polyacrylamide possessing hydroximic acid functional groups.Ithas been found that the lattice impurities and surface condition of feldspar and theion constituents of suspension have remarkable effects on the flocculation behavior ofminerals and the selectivity of the process.The unfavorable effects as above can bedecreased or eliminated after adding some auxiliary reagents or treating feldspar byhydrochloric acid,thus improving the selectivity of the process.The flocculation selectivity can be improved singnificantly by the use of combiningflocculant with oxidized paraffin soap.An ilmenite concentrate with a grade of 47.05%TiO_2 and recovery of 84.9% is obtained from a mixture of ilmenite and feldspar con-taining 25.06% TiO_2.Another ilmenite concentrate obtained from a mixture of ilmeniteand acid-leached feldspar is 48.14% TiO_2 in grade and 88.7% in recovery,respectively.

采用部分水解聚丙烯酰胺及带羟肟酸官能团改性型聚丙烯酰胺,研究钛铁矿-长石体系的分散与絮凝特性和选择性絮凝分离工艺,获得了良好的分离指标。

In this paper the flocculation behaviour and mechanism of ilmenite withtwo types of polyacrylamide flocculants and the activation behaviourof impurity ions to feldspar flocculation were studied. Experimentaltechniques such as infrared spectroscopy, electron microscope and scanningelectron microscope etc. were applied to revealing the reality of the processconcerned. It had been found that the selective flocculation separation ofthe two minerals was significantly improved by a combination use ofpolymer with collector....

In this paper the flocculation behaviour and mechanism of ilmenite withtwo types of polyacrylamide flocculants and the activation behaviourof impurity ions to feldspar flocculation were studied. Experimentaltechniques such as infrared spectroscopy, electron microscope and scanningelectron microscope etc. were applied to revealing the reality of the processconcerned. It had been found that the selective flocculation separation ofthe two minerals was significantly improved by a combination use ofpolymer with collector. A possible mechanism for that was also proposed.

本文研究了两种聚丙烯酰胺类絮凝剂与钛铁矿的絮凝机理、晶格杂质离子活化长石的絮凝行为;采用红外光谱,电子显微镜及扫描电镜等试验技术揭示絮凝过程的实质。捕收剂与高分子絮凝剂联合作用明显地改善了两种矿物絮凝分离的选择性,提出了可能的作用机理。

 
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