Slow-release inhibitor for high-magnesium sulfide mineral flotation and application thereof

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United States of America Patent

PATENT NO 11779935
APP PUB NO 20200324300A1
SERIAL NO

16693186

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Abstract

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Disclosed are a slow-release inhibitor for high-magnesium sulfide mineral flotation and an application thereof, where the inhibitor is a nano colloidal particle of an alkaline earth fluoride such as CaF2 and BaF2 or a highly-reactive natural alkaline earth metal mineral powder. When applied to the flotation separation of a high-magnesium sulfide ore, the inhibitor can slowly release F ions to preferentially form a MgF2 layer on the magnesium-containing mineral surface, which provides a structure similar to MgF2 on a surface of oxidized gangue minerals such as magnesium oxide, changing surface electrical property of the magnesium-containing mineral, inhibiting heterogeneous coagulation of magnesium-containing minerals and sulfide ores due to electrostatic attraction and reducing entrainment, enveloping and agglomeration of gangue minerals to efficiently inhibit the flotation of oxidized gangue minerals such as magnesium oxide.

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Patent Owner(s)

Patent OwnerAddress
CENTRAL SOUTH UNIVERSITY410006 ZUOJIALONG YUELU MOUNTAIN CHANGSHA CITY HUNAN PROVINCE CHANGSHA CITY HUNAN PROVINCE 410006

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Han, Haisheng Hunan, CN 4 0
Hu, Yuehua Hunan, CN 11 23
Sun, Lei Hunan, CN 350 2682
Sun, Wei Hunan, CN 828 5397
Sun, Wenjuan Hunan, CN 5 9
Tang, Honghu Hunan, CN 1 0
Wang, Li Hunan, CN 972 6677
Wang, Ruolin Hunan, CN 2 0
Wei, Zhao Hunan, CN 19 130
Yang, Yue Hunan, CN 181 1146
Zhang, Qingpeng Hunan, CN 3 0

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