湿法磷酸

  • 网络wet-process phosphoric acid;wet process phosphoric acid;WPA;PPA
湿法磷酸湿法磷酸
  1. 其步骤为:(1)湿法磷酸净化;

    Its steps include these : ( 1 ) purification of WPA ;

  2. 硫酸钙结晶形态研究及湿法磷酸生产中搅拌强度对硫酸钙晶形的影响

    Study on crystal shape of calcium sulfate and the effect of stirring intensity in WPA production

  3. 纸析法X射线荧光光谱测定湿法磷酸中的杂质

    Determination of impurities in WPA by paper chromatography X-ray fluorescence spectrometer method

  4. 300t/aP2O5湿法磷酸净化中试装置生产技术

    Technology of pilot test on 300 t / a P_2O_5 WPA purification unit

  5. RBF多模型神经网络软测量技术在湿法磷酸生产中的应用

    Application of Multi-modeling Neural Network Soft-sensing Technique in the Phosphoric Acid by Wet Process

  6. ICP-AES测定湿法磷酸萃取料浆中液相三氧化硫含量

    Determination of liquid-phase sulfur trioxide in WPA slurry by ICP-AES

  7. 300kt/aP2O5大型国产化湿法磷酸装置稀酸系统设计

    Design of Diluted Phosphoric Acid System in 300 kt / a P_2O_5 Large-scale Domestic-made Wet Phosphoric Acid Plant

  8. NH4~+对减缓湿法磷酸结垢影响的实验分析

    Experimental Analysis of Impact of NH_4 ~ + on Slowing Down the Wet Phosphoric Acid Fouling

  9. 铬变酸2R分光光度法测定湿法磷酸中的微量镁

    Determination of Magnesium from Phosphoric Acid by Wet Process with Chromotrope 2R Spectrophotometry Chromium and Health

  10. 湿法磷酸干法直接生产饲料级磷酸二氢钙(MCP)中试试验研究

    Middle-Experimental Study on Production of Feed-Grade MCP Directly by Dry Process of Wet - Process Phosphoric Acid

  11. 美国BADGER湿法磷酸工艺快速萃取结晶技术的开发与应用研究

    Development and applied research on rapid extraction crystallization technology of U.S. BADGER WPA process

  12. 一种用湿法磷酸制饲料级磷酸氢钙的有效方法,将传统的二步法的P2O5收率从60%~70%提高到90%以上。

    This is an efficient method for making feed grade calcium hydrophosphate with wet phosphoric acid . It improves the retracting rate of 60  ̄ 70 % P_2O_5 of traditional two-step method to that of more than 90 % .

  13. 探讨利用Mg2+与变色酸2R显色体系测定湿法磷酸中镁的可能性。

    The feasibility of using Mg ~ ( 2 + ) and chromotropic acid 2R color developing system for the determination of Mg in WPA are discussed .

  14. 本实验的P2O5回收率为78%~84%,P2O5%由17.35%~20.5%提高到29.6%~30.5%,符合湿法磷酸工业要求。

    In the experiments , the recovery of P_2 O_5 was 78 ~ 84 % , the content of P_2 O_5 was raised from 17.35 ~ 20.5 % to 29.6 ~ 30.5 % . Data obtained meet the requirements of wet process phosphoric acid .

  15. 着重介绍了BESA湿法磷酸的净化工艺。

    The article deals with the BESA phosphoric acid process by wet purification .

  16. 提出用预分散溶剂萃取技术(PDSE)对湿法磷酸进行脱色净化。

    In this paper , the predispersed solvent extraction ( PDSE ) technique was applied to decolorize WPA .

  17. 采用自制的动态旋转冲刷腐蚀装置,以含硅湿法磷酸为液固冲刷腐蚀介质,考察了该流动体系中316L和904L不锈钢在不同攻角下冲刷腐蚀的行为。

    Behavior of erosion-corrosion in a slurry of wet process phosphoric acid containing SO 2 particales have been studied with different impact for 316L and 904L stainless steels using rotating method test apparatus .

  18. 材料的电化学极化曲线表明,两种不锈钢在硅湿法磷酸中均出现钝化现象,且904L为自钝化体系。

    Polarization curves show that 316L , 904L stainless steels exist a passive region , and 904L stainless steel is a self-passive system . Scanning electron microscopy of the eroded surface has been performed .

  19. 研究了以缔合剂ASAM和湿法磷酸为主要原料,选取适宜的钙原料,经缔合、置换、中和、过滤制备磷酸氢钙的工艺。

    Study a new process for the produce calcium hydrophosphate by association , replacement , dissociation , neutralize and soon . The main raw materials is wet process phosphoric acid , association agent ASAM and select suitable calcium .

  20. 介绍南化(集团)公司磷肥厂15kt/a磷酸装置运行30年来,湿法磷酸主要设备的用材和被腐蚀情况。

    Kt / a phosphoric acid plant of Nanjing Chemical Industrial Group has been operated for 30 years , the material and the corrosion of main equipments of this wet-process phosphoric acid plant are introduced .

  21. 此预处理过程使磷矿在萃取过程的硫酸消耗降低400~600kg/tP2O5,湿法磷酸萃取、过滤系统的生产能力提高30%~50%。

    The pretreatment will decrease sulfuric acid consumption by 400 ~ 600 kg / t P 2O 5 in phosphoric acid extract section and increase the capacity by 30 % ~ 50 % in phosphoric acid extract and filtration systems .

  22. 在MMG-200高温氧化冲刷腐蚀磨损试验机上,考察了Al2O3/不锈钢基、WC/不锈钢基表面复合材料在模拟湿法磷酸工况下的冲蚀磨损性能,并与目前在此工况中使用较好的高铬钢进行了对比。

    The erosive wear characteristics of alumina / stainless steel composite , WC / stainless steel composite and high chromium steel ( as reference material ) were investigated on the erosive wear tester of MMG-200 simulating the erosion in wet phosphoric acid solution .

  23. 浓缩湿法磷酸中硫酸根的脱除研究

    Study of Removal of Sulfate Radical from Concentrated Wet-Process Phosphoric Acid

  24. 湿法磷酸浓缩过程中表面活性剂的应用现状

    Application of Surfactant in the Process of Wet-process Phosphoric Acid Concentration

  25. 湿法磷酸中铁的泡沫浮选净化研究

    Removing Iron for Purifying Wet Process Phosphoric Acid by Foam Flotation

  26. 用变色酸显色体系测定湿法磷酸中的镁

    Determination of magnesium in WPA by chromotropic acid color developing system

  27. 离子交换法除去湿法磷酸中钙离子的研究

    Research on the calcium removal from WPA by ion exchange method

  28. 湿法磷酸生产中常用的非金属材料:Ⅰ.热塑性塑料

    Common nonmetallic materials used in WPA production : ⅰ . thermoplastics

  29. 磷矿品质对湿法磷酸的影响及其处理

    The Effect of Phosphate Rock Quality on WPA and its Treatment

  30. 混合醇沉淀法精制湿法磷酸

    Purification of wet process phosphoric acid with mixed alcohol and ammonia