Cellophane direct flotation collecting agent and method for preparing same
A positive flotation, collector technology, applied in flotation, solid separation and other directions, can solve the problems of environmental pollution and human health impact, environmental water quality and human harm, chemical toxicity, etc., to achieve excellent flotation indicators, environmental protection Significant benefits and low cost effects
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[0023] Example 1:
[0024] First add 0.2kg of cotton oil residue, 0.06kg of stearic acid and 0.54kg of industrial oleic acid into the reactor, and then slowly add 0.2kg of sodium hydroxide into a 20% aqueous solution, and heat to 85°C at 1200r / Stir the mixture for 3 hours at a speed of 1 min until the mixture is uniform. After cooling, the positive flotation collector is obtained, and the solid content is calculated by weighing (solid content = mass of raw materials except water / total mass of collector) Add water to prepare a 2wt% aqueous solution for positive flotation.
Example Embodiment
[0025] Example 2:
[0026] First add 0.2kg of cotton oil residue, 0.22kg of lauric acid and 0.33kg of industrial oleic acid to the reactor, and then slowly add 0.05kg of sodium hydroxide into a 15% aqueous solution, and heat to 65℃ at 1700r / min Stir the mixture for 2.5h at a rotation speed of 60°C, then add 0.2kg of chlorinated fatty acid citrate and stir until the mixture is uniform to obtain the positive flotation collector. Weigh the solid content and add water to make 2wt % Of the solution undergoes positive flotation.
[0027] The positive flotation collector prepared in Example 1 and Example 2 was used for positive flotation of the refractory collophanite. Add Na in positive flotation method 2 CO 3 Adjust pH and inhibit Ca 2+ , Mg 2+ , Na 2 SiO 3 Suppress SiO 2 , (NaPO 4 ) 6 Various metals are suppressed, and the positive flotation collector involved in the present invention is added to flotate useful collophanite.
[0028] At room temperature, the data is obtained after a ro...
Example Embodiment
[0032] Example 3:
[0033] First add 0.8kg of cotton oil residue, 0.04kg of lauric acid and 0.06kg of industrial oleic acid to the reactor, and then slowly add 0.05kg of sodium hydroxide into a 35% aqueous solution, and heat to 115°C at 1800r / min Stir the mixture for 2h at a rotation speed of 60°C, then add 0.05kg of chlorinated fatty acid citrate, and stir until the mixture is uniform to obtain the positive flotation collector. Weigh and calculate the solid content and add water to make 2wt% The solution undergoes positive flotation.
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