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The production method of industrial barium carbonate was introduced.

阐述了工业碳酸钡的生产方法。

Recent advances in preparation of barium carbonate particles were reviewed.

综述了碳酸钡粒子制备方面的进展。

Preparation and characterization of fine barium carbonate particles.

我国碳酸钡的市场现状和发展方向。

Study of The Reaction between Barium Carbonate and IronOxide.

高纯碳酸钡的生产及技术经济。

Introducing the producing process of High Purity Barium Carbonate By Barium Hydroxide , product quality and using results.

介绍八水氢氧化钡制取高纯碳酸钡的工艺,产品质量及用户使用结果。

Barium carbonate is a very important inorganic chemical material. It can be divided into powder, granular and high-purity varieties.

碳酸钡是重要的无机化工产品之一,可分为粉状、粒状和高纯碳酸钡

The structural features and crystalform of the barium carbonate crystal were characterized by SEM and XRD.

用SEM和XRD其形貌和晶型进行了表征,结果表明:体系中的丙二酸控制了碳酸钡晶体的生长方向,在纤维状碳酸钡晶体形成过程中起着软模板的作用。

In the preparation of high purity barium carbonate , exist some problems related with metal oxide pollution, control of the amount of the material to be added, moisture content higher then the standard, etc.

为解决高纯碳酸钡生产干燥过程中金属氧化物的污染、入料量不易控制、成品水分超标等生产难题,通过对所用电动离心喷雾干燥机辅助设备、控制系统的改进及干燥状态参数的确定,使高纯碳酸钡产品质量明显提高,其中:w≤5?06,w(H2O)≤0.1%,完全满足PTC用户的要求。

The experimental results show that, by the process, 10 kg barium carbonate with 0.1 L hydrochloric acid (HCl 27%) as catalyst is added in 1 m3 copper electrolyte, 70% Bi can be removed from the electrolyte, and the Bi content in filter residue is more than 4%.

实验结果表明,采用碳酸钡脱铋新工艺, 1 m3铜电解液加入10 kg碳酸钡,用0.1 L盐酸(HCl 27%)作催化剂, Bi的脱除率可达70%,脱铋渣含Bi量大于4%。

Most factories use the carbonization method. Some medium and small factories use the barium carbonate ore method. Only a few factories use the double decomposition method with a relatively high cost. The total output was 500kt in 2001. There are more than 30 factories today and facilities under construction have a capacity of 110kt/a.

目前我国大多数厂家采用碳化法,一些中、小型企业采用毒重石法,而只有少数厂家采用成本较高的复分解法生产碳酸钡。2001年全国碳酸钡总产量为50万t,30多家生产厂,在建装置能力11万t/a。

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