Collecting agent capable of efficiently removing carbonate minerals in collophane
A technology for carbonate minerals and phosphate rock, applied in solid separation, flotation and other directions, can solve the problems of large equipment and space, poor dispersibility, slow flotation speed, etc., and achieve low beneficiation costs and significant economic benefits. , the effect of shortening the flotation time
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Embodiment 1
[0018] Mix the fatty acid soap obtained from fatty acid saponification with diethyl phthalate, wherein diethyl phthalate accounts for 10% of the total mass of the mixture, and the fatty acid soap accounts for 90% of the total mass of the mixture, at a constant temperature of 40~50°C Emulsify for 1-1.5 hours to obtain a collector that efficiently removes carbonate in collophanite. When raw ore P 2 o 5 Content of 21%, MgO content of 5% collephosite, adding 600 g / t raw ore collector for reverse flotation operation, 0.7% MgO content in the concentrate was obtained in 4.5 minutes of flotation time, MgO removal rate reached 90% %, compared with the flotation of fatty acid soap without adding diethyl phthalate (flotation time is 7 minutes, △ε / △t=0.264), the flotation rate of carbonate minerals was shortened by 36%. △ε / △t=0.33, an increase of 20%.
Embodiment 2
[0020] Mix the fatty acid soap obtained from fatty acid saponification with diethyl phthalate, wherein diethyl phthalate accounts for 15% of the total mass of the mixture, and the fatty acid soap accounts for 85% of the total mass of the mixture, at a constant temperature of 40~50°C Emulsify for 1-1.5 hours to obtain a collector that efficiently removes carbonate in collophanite. When raw ore P 2 o 5 content of 21%, MgO content of 5%, adding 600 g / t of raw ore collector for reverse flotation operation, the MgO content in the concentrate is 0.7% in 3 minutes of flotation time, and the MgO removal rate reaches 91% %, the flotation time was shortened by 57% compared with the fatty acid soap flotation without adding diethyl phthalate (flotation time was 7 minutes, △ε / △t=0.382), and the carbonate mineral The flotation rate △ε / △t=0.51, increased by 25%.
Embodiment 3
[0022] Mix the fatty acid soap obtained from fatty acid saponification with diethyl phthalate, in which diethyl phthalate accounts for 20% of the total mass of the mixture, and the fatty acid soap accounts for 80% of the total mass of the mixture, at a constant temperature of 40~50°C Under emulsification for 1 to 1.5 hours, a collector for highly efficient removal of carbonate in colphosphane was obtained. When raw ore P 2 o 5 content of 21%, MgO content of 5%, adding 600 g / t of raw ore collector for reverse flotation operation, the MgO content in the concentrate is 0.7% in 2 minutes of flotation time, and the MgO removal rate reaches 92 %, the flotation time was shortened by 71% compared with the fatty acid soap flotation without adding diethyl phthalate (flotation time was 7 minutes, △ε / △t=0.57), and the carbonate mineral The flotation rate △ε / △t=0.77, increased by 26%.
[0023] The invention can greatly increase the flotation speed of collophosite reverse flotation to re...
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