apatite flotation prior
USA Flotation of apatite Google Patents Prior art keywords flotation apatite ore pulp sulphonate Prior art date Legal status (The legal Jump to content Welcome to HIP Heavy Industry Machinery Co, Ltd Looking forward to your joining!Prior art keywords flotation apatite ore pulp sulphonate Prior art date Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed) Expired Lifetime Application number USA Inventor Preller Gustav USA Flotation of apatite Google Patents The apatite recovery of each flotation test was calculated by Eq (2) (2) R ( % ) = M F x ap , F M A x ap,A × 100 where R is the apatite recovery, M A is the mass (g) fed into the column, M F is the mass (g) of the floated fraction, x ap,A is the P 2 O 5 content of the feed, and x ap,F is the P 2 O 5 content of the concentrateRecovery of apatite from flotation tailings ScienceDirect
DEFINITION THE TECHNOLOGY METHOD OF APATITE
flotation concentration The apatite concentrates are obtained using the selective flotation from the silicate and oxide minerals while defining the process of selective flotation of apatite from carbonate deposits is the major problem worldwide The experimental part of this paper presents the results of laboratory flotation tests of phosphate oreprior to its use In the se arch for a apatite flotation as a depressant and its depressant action is similar, or higher, than observed for cornstarch Since sorghum price is lower than corn, (PDF) Apatite flotation using sorghum as depressant Froth flotation is widely used as an effective method for separating apatite from dolomite However, it is of difficulty to realize the efficient separation of apatite and dolomite using the traditional fatty acid collectors without any depressants due to their similar physicochemical propertiesImproving flotation separation of apatite from dolomite
Apatite flotation using pataua palm tree oil as collector
Most apatite concentrates, essential for the fertilizer industry, are produced using froth flotation, where collectors play a pivotal role Although vegetable oilderived surfactants have been used for decades in flotation processes, raw materials which do not compete with human or animal nutrition deserve special attentionan apatite flotation reagent comprising a lecithin adhering to the impurity, the lecithin selected from the group consisting of animal lecithin and vegetable lecithin, having the general structural formula: ##STR3## wherein R and R' are longer chain fatty groups containing approximately 820 carbon atoms 2Apatite flotation reagent Tomah Products, Inc small diameter cyclones prior to being fed to the apatite flotation circuit This desliming operation, typically carried out at a cut point of about 30 microns, results in the loss of significant quantities of phosphate in recent years, the range of recoverable apatite particles has beenThe USe of ColUmn floTaTion for The reCovery of
Intensification of fine apatite flotation with microbubble
Fig 1 shows the experimental setup of the apatite flotation and the closeups of the column parts The flotation column, which is made of plexiglass, is 168 m in height and 008 m in diameter Since the objective of this work is to intensify the flotation of fine apatite particles, the scaleup task is not concerned and therefore this small column is investigated for convenience flotation concentration The apatite concentrates are obtained using the selective flotation from the silicate and oxide minerals while defining the process of selective flotation of apatite from carbonate deposits is the major problem worldwide The experimental part of this paper presents the results of laboratory flotation tests of phosphate oreDEFINITION THE TECHNOLOGY METHOD OF APATITE pH Interestingly, flotation at the minimum is found to increase from about 25% to 85% with increase in KNO3 from 0 to 3 x 102 kmo1/m3 Flotation again increases to about 100% around pH 13 The effect of apatite supernatant on oleate flotation ofCalciteApatite Flotation Columbia University
Selective flotation of apatite from calcite using 2
The flotation recovery of the two minerals were similar (around 90%) at pH 85, indicating that it is difficult to separate apatite and calcite without adding depressants Download : Download highres image (91KB) Download : Download fullsize image; Fig 3 Effect of pH on the flotation of apatite and calcite with 2 × 10 −4 mol/L NaOlThe effects of Ca2+, Mg2+, Al3+, and Fe3+ on the flotation behaviors of apatite, dolomite and quartz were investigated through a microflotation test, and the influence of calcium ions on the flotation of these minerals was further elucidated by solution chemistry Effects of Metal Ions on the Flotation of Apatite Fig 1 shows the experimental setup of the apatite flotation and the closeups of the column parts The flotation column, which is made of plexiglass, is 168 m in height and 008 m in diameter Since the objective of this work is to intensify the flotation of fine apatite particles, the scaleup task is not concerned and therefore this small column is investigated for convenienceIntensification of fine apatite flotation with microbubble
The USe of ColUmn floTaTion for The reCovery of
small diameter cyclones prior to being fed to the apatite flotation circuit This desliming operation, typically carried out at a cut point of about 30 microns, results in the loss of significant quantities of phosphate in recent years, the range of recoverable apatite particles has been The sample of apatite and calcite were purchased from Ye’s Mineral Specimen Group, Guangdong Province, China and the high purities were confirmed by the Xray diffraction (XRD) analysis and chemical composition analysis (shown in Fig 1 and Table 1)The apatite contained 3937% P 2 O 5 and calcite contained 5598% CaO indicating the purity of hydroxyapatite is 9281% and the purity of The flotation separation behavior of apatite from calcite apatite flotation However, large dosages of H 2SO 4 will lead to the corrosion of flotation equipment, and the production of acidic wastewater In addition, the production of sediment (CaSO 4) could cause pipeline blocking, which cannot be appropriately resolved as Flotation of Dolomite from Apatite MDPI
Role of Dissolved Mineral Species in CalciteApatite Flotation
Supernatants of apatite and even that of calcite depressed the flotation of calcite markedly in the pH range of 5 to 13 Addition of Ca(NO3)2, K2CO3, and K3PO4 also produced definite effects under various pH conditions Apatite flotation was also affected by the mineral supernatants and by carbonate and phosphate solutions 有内外科相关工作经验，对一般临床疾病治疗和急救有丰富经验，对一般疾病能采取预防与治疗措施；Recovery of apatite from flotation tailings 道客巴巴 Prior to the development of the new Warman As the selection of a suitable froth factor was based on apatite flotation experience, it was clear that when the conventional centrifugal slurry pumps were initially selected for froth transfer duties, a somewhat unsubstantiated factorA new froth pump for improved flotation concentration
THE USE OF COLUMN FLOTATION FOR THE RECOVERY
small diameter cyclones prior to being fed to the apatite flotation circuit This desliming operation, typically carried out at a cut point of about 30 microns, results in the loss of significant quantities of phosphate In recent years, the range of recoverable apatite particles has Results have shown that the use of recycling water after the wastewater treatment proposed in this work led to a good performance of apatite flotation, leading to recovery (805%) and grade (312% (PDF) Reagents used in the flotation of phosphate ores: A 有内外科相关工作经验，对一般临床疾病治疗和急救有丰富经验，对一般疾病能采取预防与治疗措施；Recovery of apatite from flotation tailings 道客巴巴
Alizarin Red S as a Flotation Modifying Agent in Calcite
When the mineral is fIrst conditioned for 10 min with alizarin red S prior to the addition of oleate, flotation is severely affected at pH levels above 8 (see Figs 5 and 6) The minimum in calcite flotation is also lower, with flotation remaining at the 50% level at higher pH values The effect on apatite flotationThis invention includes an improved apatite flotation reagent or collector and a method for use in ore separation processes, in particular, froth flotation processes It overcomes certain wellknown problems and deficiencies of the prior art, including those outlined aboveApatite flotation reagent Tomah Products, IncMixed minerals flotation test results showed that an efficient separation of apatite from calcite was achieved using PBTCA as depressant, which presented a selective depression for the calcite Zeta potential measurements indicated that the addition of PBTCA prior to NaOl did not interfere the interaction between NaOl and apatite while it Selective flotation of apatite from calcite using 2
USA Apatite flotation reagent Google Patents
This invention relates to apatite flotation reagents which can be used simultaneously with silica collectors in a coflotation process without problems of incompatibility between the apatite flotation reagent and the silica collectors The apatite flotation reagent includes soya lecithin The soya lecithin can be used as an apatite collector by itself or can be blended with a phosphate ester Request PDF On Jun 1, 2019, Cheng Liu and others published Selective flotation of apatite from calcite using 2phosphonobutane1,2,4tricarboxylic acid as depressant Find, read and cite all Selective flotation of apatite from calcite using 2 Prior art keywords flotation apatite circuit pulp ore Prior art date Application number TNPA Other languages English (en) Inventor De Resende Sebastiano Eduardo Martinis Josiane Silvia Elves Matiolo Takata Lauro Akira Original Assignee Fertilizantes Fosfatados S/A FosfertilTNA1 Process for obtaining apatite
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