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Study on preparing β-CaSO_4·1/2H_2O with phosphogypsum

Jing Zheng-qiang

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Abstract

The tests of preparing β-CaSO4·1/2H2O with phosphogypsum was carried out. The process conditions such as calcinations temperature, speed of raising temperature, calcinations time; grinding condition, aging time and so on were researched systematically. The process conditions of producing high class building gypsum with phosphogypsum were obtained from the tests. The foundation of accelerating the development of phosphogypsum resources was established.

About this research paper

What this paper is about

The tests of preparing β-CaSO4·1/2H2O with phosphogypsum was carried out. The process conditions such as calcinations temperature, speed of raising temperature, calcinations time; grinding condition, aging time and so on were researched systematically. The process conditions of producing high class building gypsum with phosphogypsum were obtained from the tests. The foundation of accelerating the development of phosphogypsum resources was established.

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Available abstract

The tests of preparing β-CaSO4·1/2H2O with phosphogypsum was carried out. The process conditions such as calcinations temperature, speed of raising temperature, calcinations time; grinding condition, aging time and so on were researched systematically. The process conditions of producing high class building gypsum with phosphogypsum were obtained from the tests. The foundation of accelerating the development of phosphogypsum resources was established.

Key concepts: Phosphogypsum, Gypsum, Grinding, Process (computing), Environmental science, Materials science, Waste management, Metallurgy

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