Collecting agent for sorting monazite and ilmenite and using method of collecting agent
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A monazite and collector technology, applied in the field of beneficiation, can solve the problems of unsuitability of strong acid and alkali, and achieve the effects of reducing saponification time, improving grade and reducing production cost
Active Publication Date: 2020-08-11
盛和资源(连云港)新材料科技有限公司 +3
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Problems solved by technology
Due to the impact of current environmental protection measures, strong acid and strong alkali are not suitable for the recovery of valuable metals such as monazite
Method used
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Embodiment 1
[0032] The preparation of embodiment 1 collector
[0033] (1) By weight, get 10 parts of tall oil, 25 parts of oxidized paraffin wax soap, 50 parts of palm oil, 15 parts of sodium fatty acid methyl ester sulfonate, carry out microwave pretreatment 10 minutes, microwave power 10kg / kw microwave power, microwave Frequency 2000MH Z . Then mix and stir in the reaction kettle at 85°C.
[0034] (2) Add 10 parts of sodium hydroxide flakes again, and saponify under the condition of 100°C for 1.5 hours.
Embodiment 2
[0035] The preparation of embodiment 2 collector
[0036] (1) By weight, get 25 parts of tall oil, 35 parts of oxidized paraffin wax soap, 40 parts of palm oil, 10 parts of sodium fatty acid methyl ester sulfonate, carry out microwave pretreatment 5 minutes, microwave power 5kg / kw microwave power, microwave Frequency 3000MH Z . Then mix and stir in the reaction kettle at 70°C.
[0037] (2) Add 15 parts of sodium hydroxide flakes again, and saponify under the condition of 85°C for 2.5 hours.
Embodiment 3
[0038] The flotation process of embodiment 3 monazite, ilmenite
[0039] The raw material is Mozambique ilmenite rough concentrate from Hainan Haituo Mining Co., Ltd., and the rough concentrate contains TiO 2 50.26%, with P 0.98%. Among them, ilmenite is the main component, and there are also some monazite, zircon and a small amount of garnet.
[0040] Flotation adopts a rough selection and a selective method. Flotation flow chart see figure 1 .
[0041] (1) rough selection
[0042] The roughing condition is: flotation concentration 40~60%, flotation time 15min, collector is the collector of embodiment 1, and consumption is 250g / t; Inhibitor is water glass, and consumption is 500g / t; Activator It is copper sulfate, the dosage is 150g / t; the foaming agent is 2# oil, the dosage is 40g / t; monazite roughing concentrate and tailings are obtained.
[0043] (2) Featured
[0044] The monazite is roughed and concentrated and then refined. The selected conditions are: flotation ...
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Abstract
The invention provides a collecting agent for sorting monazite and ilmenite and a using method of the collecting agent. The collecting agent comprises 10-15 parts of tall oil, 25-35 parts of oxidizedparaffin soap, 40-50 parts of palm oil, 10-15 parts of fatty acid methyl ester sodium sulfonate and 10-15 parts of sodium hydroxide. The preparation method comprises the following steps: carrying outmicrowave pretreatment on tall oil, oxidized paraffin soap, palm oil and sodium fatty acid methyl ester sulfonate, and then mixing and stirring at 70-85 DEG C; and adding sodium hydroxide, and mixingunder the condition of 85-100 DEG C to obtain the collecting agent. A novel microwave pre-activation pretreatment mode is adopted on equipment, a direct reaction kettle reaction is replaced, the saponification time is shortened, the production cost is reduced, and the collecting effect is better. The collecting agent is used; the comprehensive grade P of monazite concentrate can be increased to 10.29% or above, the operation recovery rate P is increased to 88.03% or above, the comprehensive grade TiO2 of ilmenite is increased to 50.00% or above, the operation recovery rate TiO2 is increased to96.22% or above, and good economic benefits are achieved.
Description
technical field [0001] The invention belongs to the technical field of mineral processing, in particular to a mineral processing process for separating monazite and ilmenite in seaside placer, in particular to a collector for separating monazite and ilmenite and a method for using the same. Background technique [0002] Seaside placer is a very important deposit in the mineral resources of Hainan and Guangxi in my country. In addition to rich ilmenite reserves, this kind of deposit is accompanied by zircon and monazite with huge reserves. There are many such resources abroad, such as Australia, Malaysia, the United States, South Africa, Brazil, India, Mozambique, etc. [0003] In the process of magnetic separation of ilmenite, monazite often contains a small amount of monazite due to its weak magnetic properties. Since monazite contains P, the content of P in ilmenite concentrate is required to be 0.1 % or less, therefore, the fine quality of ilmenite declines, and the econ...
Claims
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