预还原

yù huán yuán
  • prereduction
预还原预还原
预还原[yù huán yuán]
  1. 矿壳矿煤球团预还原试验研究

    Prereduction test of ORE-COAL pellet covered with iron - concentrate shell

  2. 铌精矿内配炭球团预还原技术条件的研究

    Study of Technical Conditions for the Prereduction of Niobium Concentrate-carbon Pellets

  3. 锌粉-卤化铵还原体系用于N,N′-二苯肼的合成葡萄糖预还原-水合肼液相法制备纳米铜粉

    Preparation of Nanometer Copper Powder Used Glucose Pre-reduction and Hydration Hydrazine Liquid Phase Method

  4. 附碳(CA)澳矿流态化预还原的热力学性质

    The Thermodynamics Properties of Carbon-adhering Australia are during Fluidized Pre-reduction

  5. 实验证明,在Al2O3的含量为2&7%时,能得到较好的催化活性和选择性,提高催化剂的预还原温度,有助于提高催化剂的活性。

    Good catalytic activity and good methanol selectivity were obtained as the content of A1_2O_3 in catalyst was 2-7w % .

  6. 介绍了低压合成甲醇催化剂(CuO-ZnO-Al2O3)预还原-钝化-再还原工艺的研究过程。

    The research processes of the pre-reduction-inactivation-secondary reduction technique for low pressure methanol catalyst ( CuO-ZnO-Al_22O_3 ) were introduced .

  7. 催化剂Ni/Y2O3上低温乙醇水蒸气重整制氢研究&氢气预还原对催化剂性能的影响

    Hydrogen production from ethanol steam reforming at low temperature over Ni / Y_2O_3 catalyst Effect of hydrogen reduction on the catalysts

  8. COREX预还原反应过程的数学物理仿真

    Mathematical and physical modelling of pre reduction reaction process of COREX technology

  9. 介绍了国外SRC法即铬矿预还原球团的生产工艺和使用该球团冶炼炉料级铬铁的概况。

    This paper introduces the general situation of SRC process and the produced pellets being used for the production of charge chrome at overseas .

  10. 总结了氨合成催化剂更换及A110-1H型预还原催化剂升温还原以及运行情况。

    The replacement of the ammonia synthesis catalyst and the reduction by heating of Type A110-1H prereduced catalyst and its operation are summed up .

  11. 大部分金属氧化物以对NO/CO反应的催化作用为主,而Ni2O3的预还原试样对NO的直接分解反应表现了极强的催化活性。

    The results of further experiments show that most of the metallic oxides give a catalytic effect on NO / CO reaction , while pre reduced Ni 2O 3 sample shows remarkable catalytic activity to the direct decomposition of NO.

  12. 熔融还原中铁精矿流态化预还原过程的研究

    Study of Pre-reduction Ore Concentrate by Fluidizing Bed in Smelting Reduction

  13. 预还原锰矿的物相分析Ⅱ.铁的物相分析

    Phase Analysis of Pre-reduced Manganese Ore II . Analysis of Iron Phases

  14. 流态化预还原法存在的问题及发展趋势

    Problems existing in fluidized bed pre - reduction process and developement trends

  15. 亚铁盐预还原技术在铬渣固化/稳定化中的应用

    Application of Ferrous Salt Pre-reducing Technology to Chromium Waste Solidification / Stabilization

  16. 波伦法预还原工艺生产高铬微碳铬铁的实践

    Producing high chromium and extra-low carbon ferrochromium with Perrin Process

  17. 低压甲醇催化剂的预还原-钝化-再还原的研究

    Study on PRE-REDUCTION-INACTIVATION-SECONDARY reduction for low pressure methanol catalyst

  18. 铁矿预还原过程能耗的理论分析

    The theoretical analysis on the energy consumption in iron ore pre reduction process

  19. 预还原球团矿的熔化速度研究

    A study of pre - reduced pellet melting rate

  20. 基于低温快速预还原的熔融还原炼铁流程

    Fast Reduction Ore at Low Temperature and Smelting Process

  21. 微机在流态化预还原流程中的应用

    Application of Microcomputer to the Fluidization Pre-reduction process

  22. 测定硝酸盐氮时镉粒预还原条件的改进

    Modification of conditions of reduction with cadmium granules in the determination of nitrate nitrogen

  23. 氨合成塔内件中催化剂整体预还原技术的研究

    The Study to the Prereduction Technology of Whole Catalyst in the Ammonia Synthesis Reactor

  24. 熔融还原流态化预还原赤铁精矿粉附碳还原综合动力学研究

    The Synthetic Dynamics Research of Carbon-adhering of Fluidized Pre-reduction Iron Ore Concentrate in Smelting Reduction

  25. 使用前无需预还原处理,使用后或暂时停用时无需钝化处理,便于操作。

    It was unnecessary for pre-reduction before use and passivating treatment after or suspending use .

  26. 回转窑预还原焙烧红土矿工艺模拟研究

    A simulation study on the pre-reduction and calcination process of laterite ore in rotary kiln

  27. 含碳预还原锰球团工艺研究

    Experimental study on process of carbon - bearing pre - reduced manganese ore pellet production

  28. 预还原氨合成催化剂的应用

    Use of Pre-reduced Ammonia Synthesis Catalysts

  29. 对铁精矿流态化预还原过程进行了试验。

    The pre-reduction process of concentrated iron ore on a fluidized bed is studied in this paper .

  30. 本文总结了六台Φ500氨合成塔内件中A(110-2)型催化剂的整体预还原技术的工业性试验及实验室试验研究的情况。

    This paper is a technical study to the prereduction technology of whole catalyst in the ammonia synthesis reactor .