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Methods of removing chloride from gypsum having high level of chloride salt
Beads of materials such as activated alumina, zeolite and silica gel, are used as chloride salt absorbers. The beads are mixed with high-salt gypsum. After mixing for a short time, the mixtures are dried, and the beads and the powder are separated by using a sieve or other physical separation device resulting in a low-salt gypsum which can be used as a gypsum source to make gypsum wallboard.
Methods of removing chloride from gypsum having high level of chloride salt
Beads of materials such as activated alumina, zeolite and silica gel, are used as chloride salt absorbers. The beads are mixed with high-salt gypsum. After mixing for a short time, the mixtures are dried, and the beads and the powder are separated by using a sieve or other physical separation device resulting in a low-salt gypsum which can be used as a gypsum source to make gypsum wallboard.
Methods of removing chloride from gypsum having high level of chloride salt
LI QINGHUA (author) / DUBEY ASHISH (author) / HEMPHILL MARK (author)
2023-09-19
Patent
Electronic Resource
English
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