仲钨酸铵
- 网络Ammonium paratungstate;Apt
![仲钨酸铵](../cache/1414034.jpg)
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采用萃取法生产仲钨酸铵工艺中的反萃取过程极易产生固相物。
It is easy separating out solid in stripping process of producing APT by solvent extraction .
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高频等离子氢还原仲钨酸铵或兰色氧化钨制取超细钨粉的研究
Study on the Production of Tungsten Ultrafines by Induction Plasma Hydrogen Reduction of APT or Blue WO
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仲钨酸铵的合成及其X射线晶体结构分析
Synthesis and X ray Crystal Analysis of Paratungstate Ammonium
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研究了一个从低品位钨原料生产高纯仲钨酸铵(APT)的新的湿法冶金过程。流程包括两段逆流浸出;
A new hydrometallurgical process for producing high-purity ammonium paratungstate ( APT )
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电极用于仲钨酸铵中硼的测定,将仲钨酸铵中的硼转化为BF4~-,用标准加入法测定其中硼的含量,结果满意。
The electrode was used to the determination of boron in ammonium tungstate .
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为了得到不同粒度的产物,就可以分阶段性地对单斜仲钨酸铵(APT)进行升温。
Monoclinic ammonium paratungstate with different particle size can be obtained by heating stages .
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ICP-AES法测定仲钨酸铵中微量硼
Determination of boron in ammonium paratungstate by ICP-AES
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应用初始速率法研究了仲钨酸铵(APT)晶体的线生长级数。
In the paper , the linear growth order of ammonium paratungstate crystal is studied by the " method of initial rate " .
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O2/Ar气氛中仲钨酸铵热分解制备的WO3光催化分解水析氧活性
Photocatalytic activity for O_2 evolution of WO_3 prepared through pyrolysis of ammonium paratungstate under O_2 / Ar atmosphere
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在适当的温度和气氛下,于回转炉中,实现了仲钨酸铵(APT)转变成W(18)O(49)的连续生产。
The continuous production of W_ ( 18 ) O_ ( 49 ) from APT can be achieved at proper temperature and in proper atmosphere in the rotary furnace .
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以仲钨酸铵(APT)为原料,通过正交设计和单水平实验,采用水热法处理制备了WO3粉体。
Tungsten trioxide powder has been prepared from ammonium paratungstate via hydrothermal method using orthogonal and mono-level design of experiments .
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石灰直接沉淀回收仲钨酸铵结晶母液中WO3方法的研究与工业实践
Investigation and industrial practice of the straight lime precipitation process for the recovery of wo_3 from the ammonium paratungstate mother liquor
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转鼓真空干燥器替代电阻炉对APT(仲钨酸铵)进行干燥,有许多优点。运行两年来,产品质量明显提高,蒸发速度大为加快,经济效益显著。
Year operation with vacuum dryer instead of the resistance furnace to dry APT has showed a distinct improvement of product quality , and much faster evaporation , with remarkable economic benefits .
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将颗粒形貌及粒度不同的2种仲钨酸铵(APT),按工业生产条件,进行掺杂钨丝生产的对比试验。
According to the condition of industrial production , contrast tests have been made for the doped tungsten production by using two kinds of Ammonium Paratungstates ( APT ) of different particle sizes and shapes .
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运用试验设计方法,较系统地研究了各种工艺参数对钨酸根离子缩聚成仲钨酸铵(APT)沉淀的影响规律,并对其缩聚结晶的动力学机理进行了初步探讨。
All kinds of technical parameters and their rules on the preparation of macrocrystalline ammonium paratungstate ( APT ) were studied by means of intercross experimental method , the mechanism of kinetics on crystal growth by condensation-polymerization was simply discussed .
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综述了仲钨酸铵(APT)结晶过程中杂质(P、As、Si、Na、K、Mo等)的析出条件,在氨水中的溶解度,成核速率以及粗颗粒生成条件及其动力学基础研究近况。
The precipitation conditions of impurities ( P , As , Si , Na , K , Mo ), solubility of APT in aqueous ammonia , formation of APT crystalls rate and conditions of large size particles produced during APT crystallization process were summarized in this article .
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在钨冶炼的离子交换工序生产仲钨酸铵(APT)过程中,含钨料液经离子交换后产生大量的含砷含氨氮废水,碱度高,成份复杂,处理困难。
In the process of producing the ATP in the ion interchange craft of wolfram smelting , the liquid containing wolfram generates a great quantities of waste water after the ion exchange craft which contains the Arsenic and the Ammonia Nitrogen .
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将结晶成核期后晶体的生长阶段作为线生长速率测定的时间范围,采用串联速率法研究了仲钨酸铵(APT)的晶体线生长级数。
The crystal growth period after the crystal nucleation period is performed as the measuring time range of crystal growth rate . The method of series rate is used to study the linear growth order of ammonium paratungstate ( APT ) crystal .
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本文研究了用大孔强碱性阴离子交换脂树D296处理仲钨酸铵(APT)结晶母液,回收其中钨及氯化铵。
The process of the crystalline mother solution , ammonium paratungstate ( APT ), through the macroporous strong-base resin D296 , and the recovery of tungsten and ammonium chloride in it are studied .
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本文介绍了用石灰直接沉淀法回收仲钨酸铵结晶母液中WO30该法是用普通廉价的石灰代替烧碱,把结晶母液中的WO3直接转变成钨酸钙,白钨母液经浓缩回收氯化铵。
The application of the straight lime precipitation process for the recovery of WO_3 fram the ammonium paratungstate mother liquor has been studied . The ordinary low price lime is employed instead of soda , and the WO_3 in the mother liquor transforms straightly into calcium tungstate .
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仲钨酸铵结晶动力学研究近况
Recent Research of Kinetics on Crystallization of Ammonium Paratungstate Tetrahydrate
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从低品位钨矿制备仲钨酸铵的离子交换法
A study of the preparation of ammonium paratungstate by ion exchange method
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仲钨酸铵费氏粒度及粒级分布控制工艺研究
The Study on Control Technology of Fsss and Size Distribution of APT
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仲钨酸铵生产过程中的钨锡分离研究现状
Research Status on Removing of Stannum in Producting Ammonium Paratungstate
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仲钨酸铵结晶母液处理技术研究进展
The Latest Development of the Technologies to Treat APT Crystal Mother Liquor
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关于冷反应制取仲钨酸铵钠复盐的研究
Study on Preparing Ammonium-sodium Double Paratungstate by Cold Reaction
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离子交换法处理仲钨酸铵结晶母液试验与实践
The Experiment and Practice of Processing APT Crystalline Mother Liquor by Ion-exchange Method
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处理仲钨酸铵结晶母液的研究
Study on the treatment of ammonium paratungstate mother liquor
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单斜仲钨酸铵慢速热分解过程的研究
Research on Thermal Decomposition of Monoclinic Ammonium Paratungstate Slowly
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提出超声波强化仲钨酸铵结晶过程的新思路。
And the intensification of ammonium paratungstate crystal preparation with ultrasound is recommended .