二水-半水法从贫磷矿石中提取磷酸的二水阶段研究

Q Chemical Engineering

Chemical Engineering Pub Date : 2022-01-01 DOI:10.31044/1684-5811-2022-23-1-10-16

I. Soboleva, S. E. Liashenko

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引用次数: 1

摘要

研究了以贫磷矿为原料，采用二水-半水法制备磷酸的第一阶段工艺。进行了二水合物阶段动力学实验。基于过程动力学建立了数学模型。对磷酸生产二水阶段进行了优化。开发了测定硫酸在不同温度和浓度条件下的溶解效率和固相结晶的软件。

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Investigation of the dihydrate stage of extraction phosphoric acid production by dihydrate-hemihydrate method from poor phosphorites

The first stage for the process of phosphoric acid production by dihydrate- hemihydrate method from poor phosphorites was investigated. Experiments on the dihydrate stage kinetics were carried out. Mathematical model was developed based on the process kinetics. The dihydrate stage of phosphoric acid production was optimized. A software package was developed to determine sulfuric acid dissolution efficiency and the solid phase crystallization under different temperatures and concentration conditions.

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来源期刊

Chemical Engineering 工程技术-工程：化工

CiteScore

0.06

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Chemical Engineering is published monthly by Access Intelligence, primarily for chemical engineers and related technical people in the chemical process industries (CPI), as well as at engineering, design and construction companies that serve the CPI. The CPI consist of: chemicals, including petrochemicals; drugs and cosmetics; explosives and ammunition; fats and oils; fertilizers and agricultural chemicals; foods and beverages; leather tanning and finishing; lime and cement; synthetic fibers; metallurgical and metal products; paints and coatings; petroleum refining and coal products; plastics; rubber; soap and detergents; stone, clay, glass and ceramics; wood, pulp, paper and board; other chemically processed products.