The effect of amino trimethylene phosphonic acid on the flotation separation of pentlandite from lizardite
作者： Cheng Liu , Guanghua Ai , Shaoxian Song
DOI: 10.1016/J.POWTEC.2018.06.030
关键词: Depressant 、 ATMP 、 Adsorption 、 Pentlandite 、 Chemistry 、 Zeta potential 、 Mineral 、 Atomic ratio 、 Inorganic chemistry 、 X-ray photoelectron spectroscopy
摘要: Abstract To reduce the negative effects of lizardite on flotation pentlandite, amino trimethylene phosphonic acid(ATMP) was tested as a potential depressant for lizardite. Micro-flotation test results indicated that flotability pentlandite restored in pentlandite-lizardite system by addition ATMP. The adsorption and ICP ATMP interacted with Mg species surface meanwhile part ions were dissolved from surface. XPS tests illustrated changed characteristics mineral Mg/Si atomic ratio decreased Zeta measurements demonstrated zeta positive to after interacting ATMP, which caused electro-steric repulsion between particles, thus floatability restored.
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