Collophanite flotation process and combined ore dressing process
The positive flotation process is to add a specific inhibitor to the monomer-dissociated slurry to inhibit the gangue minerals, and then add a specific collector to make the collophanite hydrophobic. Phosphate minerals are separated by flotation under the action of a …
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Process mineralogy and characteristic associations of iron …
occurs as collophanite (with content at 0.82%, accounting for 97.86% of the total phosphorus), only trace in the form of adsorbed phosphorus. Thus the collophanite is the main target to be removed in the separation process. 4) It is also found that ore with a higher hardness is hard to be broken, with coarse fraction and fine fraction
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CN102886306A
The invention discloses a column-slot combined technology for grading calcium collophanite,. The column-slot combined technology relates to a beneficiation method for removing carbonate impurities from the calcium collophanite by a reverse flotation manner, and comprises the following steps of (1), crushing and grinding collophanite containing the carbonate impurities, …
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ORE DRESSING PROCESS FOR MEDIUM-GRADE AND LOW-GRADE MIXED COLLOPHANITE
An ore dressing process for medium-grade and low-grade mixed collophanite includes the following steps: S1; crushing ores to obtain crushed ores; S2: screening the crushed ores to obtain fine-fraction ores and coarse-fraction ores divided into at least two size fractions; S3: performing a photoelectric separation to the coarse-fraction ores of different size fractions to …
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CN112007747A
The invention relates to a flotation method for silicon-calcium collophanite without a tailing pond, which belongs to the technical field of mineral processing and comprises the following steps: crushing raw ores, feeding the crushed raw ores into a fine ore bin, performing primary grinding and grading operation, feeding overflow of the grading operation into reverse flotation stirring ...
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ORE DRESSING PROCESS FOR MEDIUM-GRADE AND LOW-GRADE MIXED COLLOPHANITE
What is claimed is: 1. An ore dressing process for a medium-grade and low-grade mixed collophanite, comprising the following steps: S1: crushing green ores to obtain crushed ores; S2: screening the crushed ores to obtain fine-fraction ores and coarse-fraction ores divided into at least two size fractions; S3: respectively performing a photoelectric separation to the coarse …
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Study on process mineralogy of a mixed collophanite in Fuquan
The process mineralogy of a mixed collophanite in Fuquan, Guizhou Province is studied by means of X-ray diffraction analysis, polarizing microscope, scanning electron microscope, …
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ORE DRESSING PROCESS FOR MEDIUM-GRADE AND LOW …
An ore dressing process for medium-grade and low-grade mixed collophanite includes the following steps: S1; crushing ores to obtain crushed ores; S2: screening the crushed ores to …
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CN114653480A
The invention relates to a reverse flotation process for synchronously removing silicon and magnesium impurities from collophanite and a collector thereof, wherein the collector comprises the following raw materials in percentage by mass (30-42): (13-25): (5-13): (19-33): (10-21) amine medicament, alpha sulfonated saturated sodium aliphatate, alkyl phosphate ester salt, non …
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Process Mineralogy Characteristics and Flotation …
Based on the flotation test results and the analysis of process mineralogy parameters, we concluded that the main causes of difficulty in separation of collophanite are fine disseminated...
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Selective depression of Escherichia coli on flotation of …
The collophanite and dolomite samples were taken from China's Guizhou Province Weng'an County, crushing and dry grinding to -0.106mm. By X-Ray Diffraction (XRD) Phase Analysis and chemical analysis, the purity of the dolomite minerals is above 95%, and the theoretical purity of the fluorophosphate in the phosphate rock is above 90%.
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Comparative study on mineral dissemination characteristics of
According to studies, the ore crushing process consumes the most energy 5,6, and the appropriate crushing process can not only reduce energy consumption but also promote mineral dissociation and ...
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Reverse anionic flotation of dolomitic collophanite using a …
crushing and grinding, raw ore powder with a particle size fraction of −75 μm was obtained, accounting ... Process., 58(4), 2022, 151519 collophanite with a high grade and low sesquioxide content. Dolomite removal can reduce the MER value in the ore. Table 1. Chemical element analysis and distribution rate of raw ore products with different ...
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Study on process mineralogy of a mixed collophanite in Fuquan
The process mineralogy of a mixed collophanite in Fuquan, Guizhou Province is studied by means of X-ray diffraction analysis, polarizing microscope, scanning electron microscope, energy spectrometer, chemical analysis and so on. The results show that the P 2 O 5 grade of the phosphate ore is 26.16%, CaO/P 2 O 5 =1.54, and the industrial type of ...
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Double reverse flotation process of collophanite and regulating …
A new double reverse flotation process was used to beneficiate the Yichang region collophanite of Hubei Province, China. Its final concentrate yield is 67.37%, P 2 O 5 grade is 32.17%, P 2 O 5 recovery is 87.80%, and the main impurities MgO, Fe 2 O 3 and Al 2 O 3 are 0.95%, 1.04%, 1.36%, respectively. The difficult problem was successfully solved that plentiful …
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Process for mineral processing of low-grade silicon calcium …
The invention discloses a process for mineral processing of low-grade silicon calcium collophanite. The process sequentially comprises smashing, ball milling, flotation …
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CN102886306B
The invention discloses a column-slot combined technology for grading calcium collophanite,. The column-slot combined technology relates to a beneficiation method for removing carbonate impurities from the calcium collophanite by a reverse flotation manner, and comprises the following steps of (1), crushing and grinding collophanite containing the carbonate impurities, …
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CN112517231A
The invention discloses a flotation method of low-grade carbonate collophanite, and relates to the technical field of collophanite flotation. The flotation method comprises the steps of crushing collophanite, grinding and grading to obtain raw material ore pulp, adding sulfuric acid serving as an inhibitor into the ore pulp, adding a quick collecting agent to mineralize and regulate the …
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CN102327809B
The invention provides a method for removing magnesium oxide from collophanite. According to the method, a solution extraction way is used to separate magnesium from collophanite. The method for removing the magnesium oxide from collophanite comprises the following steps of: (1) crushing, milling and grading phosphorus ores to prepare ore pulp with the concentration of 5 …
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US20220184637A1
US20220184637A1 US17/593,847 US202117593847A US2022184637A1 US 20220184637 A1 US20220184637 A1 US 20220184637A1 US 202117593847 A US202117593847 A US 202117593847A US 2022184637 A1 US2022184637 A1 US 2022184637A1 Authority US United States Prior art keywords ore dressing process ore dressing process according ores Prior art …
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CN102744160A
The invention relates to an iso-floatable separation process of siliceous-calcareous collophanite, comprising the following steps of: crushing and grinding siliceous-calcareous-based collophanite ores, adding water, mixing size, and then entering iso-floatable operation for the iso-floatable flotation of the siliceous-calcareous-based collophanite ores; enabling flotation froths to flow …
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CN113600344B
The invention provides a beneficiation process for removing sesquioxide from collophanite by intermediate grading reprocessing, which comprises the following steps: grinding collophanite, mixing the graded overflow with the sesquialter agent, and performing reverse flotation and roughing to obtain rough concentrate and rough tailings; grading the rough concentrate to …
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CN106423584A
A direct-reverse collophanite flotation process respectively recycling flotation process water comprises the steps that direct collophanite flotation is performed in an alkaline environment; direct flotation concentrate and tailing thickener overflow water is conveyed to a direct flotation process high-water-level pond by using a pump and then automatically flows through a …
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Reverse anionic flotation of dolomitic collophanite using a …
The results revealed that GSWF01 chemically reacted with metal ions (Ca2+, Mg2+, etc.) on the surface of dolomite to generate fatty acid salt precipitation (chemisorption). The adsorbed layer …
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CN104707734A
The high-magnesia collophanite is processed through the process, qualified phosphate concentrate with the MgO grade smaller than or equal to 0.8% is obtained, the recovery rate of concentrate is improved by 1-3%, and the tailing P2O5 grade is reduced by 1-2%. The stable collophanite flotation technical-economic indexes can be obtained through ...
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Phosphate Ore Dressing Process-Henan Victory Machinery Co., …
The main minerals of phosphate rock are apatite and collophanite, and the extraction of phosphate rock is mainly through these three steps: crushing and grinding-washing and …
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Double reverse flotation process of collophanite and regulating …
DOI: 10.1016/S1003-6326(08)60079-5 Corpus ID: 54983578; Double reverse flotation process of collophanite and regulating froth action @article{Ge2008DoubleRF, title={Double reverse flotation process of collophanite and regulating froth action}, author={Yingyong Ge and Shun-peng Gan and Xiaolei Zeng and Yongcan Yu}, journal={Transactions of Nonferrous Metals Society of …
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CN103909017A
A flotation decarburization technology includes adding water into the silicon-calcium mixed collophanite containing the organic carbon and crushing and grinding the silicon-calcium mixed collophanite containing the organic carbon to obtain ore pulp with the mass concentration ranging from 20% to 40%; adding collecting agents and foaming agents ...
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CN112619885B
The invention provides a beneficiation method of magnesium-containing high-silicon calcareous collophanite, which comprises the following steps: a) Crushing magnesium-containing high-silicon calcareous collophanite, adding water, stirring to form primary ore pulp, and performing primary cyclone classification to obtain primary fine ore and primary coarse ore respectively; b) Adding …
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