The article deals with the BESA phosphoric acid process by wet purification.
着重介绍了BESA湿法磷酸的净化工艺。
The roasting and leaching behavior of spodumene in sulphuric acid process was investigated.
采用硫酸法对锂辉石焙烧浸出工艺进行了研究。
Present a kind of application of recursive identification and adaptive control to sulfuric acid process.
论述了硫酸生产过程的递推辩识与自适应控制的一种应用。
The controlling methods of nitric acid tail gas is evaluated, and the ways to reduce the quantity of nitric oxide emission in nitric acid process is explored.
评价硝酸尾气治理方法，探讨硝酸生产中降低氮氧化物排放的途径。
There are several dozen plants producing titanium white by sulfuric acid process in China, but they are small in scale and capacity with few product varieties.
我国硫酸法钛白生产厂有数十家，生产规模和生产能力小，钛白品种少。
The powdery polyphosphate ferric sulfate was prepared from iron vitriol, the byproduct in titanium pigment production by sulfuric acid process, and complex oxidant.
以硫酸法生产钛白粉的副产品——七水硫酸亚铁为原料，采用复合氧化剂合成聚合磷硫酸铁粉体，探讨了合成聚合磷硫酸铁的最佳工艺条件。
The technology process and production situation of the chlorine hydride absorption system in potassium sulphate process with traditional sulphuric acid process is introduced.
介绍传统硫酸法生产硫酸钾过程中，氯化氢吸收系统的工艺流程及生产情况。
Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.
与硫酸法相比，在保证纯苯质量的前提下，可消除酸焦油和含酸废水对环境的污染。
This paper introduces the acetic acid production process, production and consumption at home and abroad, and the research and development and application of acetic acid process in China.
介绍国内外醋酸生产及消费情况以及我国醋酸生产工艺的研发与应用情况。
The use of 98% H2SO4 for removal of water in nitric acid in the sulphuric acid process concentrated nitric acid production will produce large amount of dilute sulphuric acid, which has to be treated.
稀硫酸腐蚀性强，硫酸法—浓硝酸工艺采用98%H2SO4脱除硝酸中的水，产生了大量的稀硫酸须予以处理。
The use of 98% H2SO4 for removal of water in nitric acid in the sulphuric acid process concentrated nitric acid production will produce large amount of dilute sulphuric acid, which has to be treated.
稀硫酸腐蚀性强，硫酸法—浓硝酸工艺采用98%H2SO4脱除硝酸中的水，产生了大量的稀硫酸须予以处理。
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