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reverse flotation of nacl with alkyl morpholines

Investigations of alkylmorpholines––collectors for a new ...

Alkylmorpholine has been employed as a reverse flotation collector of KCl. Alkylmorpholine sorption at the halite surface proceeds with high selectivity, creating the conditions necessary for...

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Potash flotation practice for carnallite resources in the ...

Reverse flotation of NaCl with alkyl morpholines. Abstract Two potash plants at the Qarhan Salt Lake in Qinghai Province, Peoples Republic of China, were visited in July 2012 to discuss processing strategies, particularly flotation technology.

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Synthesis of an emerging morpholine-typed Gemini ...

2020-7-10  And then N-alkyl amides (R–CONH 2) had also been introduced to as a sort of efficacious collector in the reverse flotation carnallite ores (Wu et al., 2016). In recent years, N-alkyl morpholines (R–N(CH 2 CH 2) 2 O) has been applied massively in industrial production because of its excellent selectivity and collector ability (Wang et al ...

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(PDF) Flotation of Potash for Carnallite Resources in Khur ...

2019-4-25  Alkyl-morpholines are obtained. ... are reviewed and discussed with respect to recent research findings regarding the use of alkyl-morpholine collectors in reverse flotation of NaCl from ...

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Selective Depressant in Reverse Flotation of Potassium ...

2019-1-13  minerals Article Utilization of Ammonium Chloride as a Novel Selective Depressant in Reverse Flotation of Potassium Chloride Runqing Liu 1,2, Hongyu Lu 1,2, Li Wang 1,2,*, Mengjie Tian 1,2 and Wei Sun 1,2,* 1 School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China; [email protected] (R.L.); [email protected] (H.L.);

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Surface chemistry features in the flotation of KCl ...

In this process, direct flotation collectors comprise alkyl fatty amines [4] and alkyl sulfonates [5], while reverse flotation collectors contain carboxylic acids [6], amides [7], and morpholines ...

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Lignite cleaning in NaCl solutions by the reverse ...

DOI: 10.5277/PPMP150227 Corpus ID: 55651814. Lignite cleaning in NaCl solutions by the reverse flotation technique @article{Zhang2015LigniteCI, title={Lignite cleaning in NaCl solutions by the reverse flotation technique}, author={H. Zhang and Q. Liu}, journal={Physicochemical Problems of Mineral Processing}, year={2015}, volume={51}, pages={695-706} }

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Lignite cleaning in NaCl solutions by the reverse ...

DOI: 10.5277/PPMP150227 Corpus ID: 55651814. Lignite cleaning in NaCl solutions by the reverse flotation technique @article{Zhang2015LigniteCI, title={Lignite cleaning in NaCl solutions by the reverse flotation technique}, author={Haijun Zhang and Qingxia Liu}, journal={Physicochemical Problems of Mineral Processing}, year={2015}, volume={51}, pages={695-706} }

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To determine the best conditions for sodium chloride

Request PDF On Jan 1, 2003, A. Wang and others published To determine the best conditions for sodium chloride flotation Find, read and cite all the research you need on ResearchGate

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Flotation of water-soluble mineral resources - ScienceDirect

2004-11-19  Flotation of water-soluble saline minerals, in a saturated brine containing saturated solutions of KCl–NaCl–H 2 O or KCl–NaCl–MgCl 2 –H 2 O depending on the ore chemistry , is described by the following features:. varying colloid chemical and flotation properties of flotation reagents, and crystalline and sorptive properties of minerals separated, subject to the saline solution ...

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(PDF) Flotation of Potash for Carnallite Resources in Khur ...

2019-4-25  Alkyl-morpholines are obtained. ... are reviewed and discussed with respect to recent research findings regarding the use of alkyl-morpholine collectors in reverse flotation of NaCl from ...

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Evaluation of a novel morpholine-typed Gemini surfactant ...

2020-9-1  Currently, alkyl morpholine (R–N(CH 2 CH 2) 2 O) was applied as the reverse froth flotation collector for the carnallite ores in production and showed notable collecting ability to NaCl and selectivity against carnallite [, , ]. However, current surfactant applied on the carnallite reverse froth flotation separation procedure is traditional ...

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Method of sodium chloride flotation

Collector is alkyl morpholines non-aqueous mixture with hydrocarbon radical length from C 9 to C 22 and liquid non-hydrocarbon reactant at ratio of alkyl morpholin:non-polar reagent 1:0.03÷1:3.0 at mixture temperature from 15 °C to 80 °C.

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Lignite cleaning in NaCl solutions by the reverse ...

DOI: 10.5277/PPMP150227 Corpus ID: 55651814. Lignite cleaning in NaCl solutions by the reverse flotation technique @article{Zhang2015LigniteCI, title={Lignite cleaning in NaCl solutions by the reverse flotation technique}, author={Haijun Zhang and Qingxia Liu}, journal={Physicochemical Problems of Mineral Processing}, year={2015}, volume={51}, pages={695-706} }

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Lignite cleaning in NaCl solutions by the reverse ...

DOI: 10.5277/PPMP150227 Corpus ID: 55651814. Lignite cleaning in NaCl solutions by the reverse flotation technique @article{Zhang2015LigniteCI, title={Lignite cleaning in NaCl solutions by the reverse flotation technique}, author={H. Zhang and Q. Liu}, journal={Physicochemical Problems of Mineral Processing}, year={2015}, volume={51}, pages={695-706} }

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Lignite cleaning in NaCl solutions by the reverse ...

Fig. 4. Effect of DAH on reverse flotation of BD lignite (NaCl 0.3 M, starch 2500 g/Mg, MIBC 200 g/Mg) - "Lignite cleaning in NaCl solutions by the reverse flotation technique"

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Lignite cleaning in NaCl solutions by the reverse ...

2016-6-14  The effect of NaCl, dodecyl amine hydrochloride (DAH) and starch on the reverse flotation performance was investigat-ed. In addition, the flotation performance, as a function of NaCl, was estimated by analysing the flotation kinetics. Experimental Two lignite samples were used as flotation feed: BD lignite with low ash content

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10.1016/j.minpro.2003.09.008 DeepDyve

2020-6-11  At temperatures below 15–18 °C, the use of alkyl morpholines with a lower molecular weight is required. High sorptive capacity of clay/carbonate slimes contained in carnallite ores explain their strong adverse effect both on sylvite flotation with amines and on halite flotation with alkyl morpholine (Titkov et al., 1997) .

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An overview of the use of chemical reagents in mineral ...

2005-2-1  The flotation of sulphide minerals is extensive worldwide (copper, lead, zinc, nickel), and in terms of tonnage, they represent the largest mineral group processed by froth flotation. Alkyl xanthates are by far the largest volume reagents used and they form

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REVERSE FROTH FLOTATION OF CALCITE ORE - AKZO

1. Reverse froth flotation process for treating a calcium carbonate ore containing silicates, said process comprising one or more flotation steps wherein, in the overall flotation steps two or more collectors are used, with at least one collector being selected from the group consisting of the following subgroups: fatty di-lower-alkyl benzyl quaternary ammonium compounds, and di-fatty di-lower ...

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Lignite cleaning in NaCl solutions by the reverse ...

The effect of NaCl, dodecyl amine hydrochloride (DAH) and starch on the reverse flotation performance was investigat-ed. In addition, the flotation performance, as a function of NaCl, was estimated by analysing the flotation kinetics. Experimental Two lignite samples were used as flotation feed: BD lignite with low ash content

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Lignite cleaning in NaCl solutions by the reverse ...

The possibility of cleaning BD lignite (low ash content) and IM lignite (high ash content) in NaCl solutions using a reverse flotation technique was studied. Preliminary test results indicated that BD lignite cannot be cleaned effectively in the traditional manner, gangue was floated first rather...

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Lignite cleaning in NaCl solutions by the reverse ...

Fig. 4. Effect of DAH on reverse flotation of BD lignite (NaCl 0.3 M, starch 2500 g/Mg, MIBC 200 g/Mg) - "Lignite cleaning in NaCl solutions by the reverse flotation technique"

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Lignite cleaning in NaCl solutions by the reverse ...

DOI: 10.5277/PPMP150227 Corpus ID: 55651814. Lignite cleaning in NaCl solutions by the reverse flotation technique @article{Zhang2015LigniteCI, title={Lignite cleaning in NaCl solutions by the reverse flotation technique}, author={H. Zhang and Q. Liu}, journal={Physicochemical Problems of Mineral Processing}, year={2015}, volume={51}, pages={695-706} }

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Lignite cleaning in NaCl solutions by the reverse ...

A cleaning possibility of low (BD) and high ash content (IM) lignites in NaCl solutions using a reverse flotation technique was studied. Preliminary test results indicated that BD lignite cannot be cleaned effectively in the traditional manner because gangue was floated first rather than a combustible material. Further studies indicated that the lignite cleaning in NaCl solutions using the ...

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Method of sodium chloride flotation

Collector is alkyl morpholines non-aqueous mixture with hydrocarbon radical length from C 9 to C 22 and liquid non-hydrocarbon reactant at ratio of alkyl morpholin:non-polar reagent 1:0.03÷1:3.0 at mixture temperature from 15 °C to 80 °C.

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Flotation of sylvinite from Thakhek, Lao, P.D.R.

2019-7-25  and/or re-cleaner flotation with reagent combinations of both collector and frother, or reverse flotation of the retaining halite using alkyl morpholine as a collector could enhance the final concentrate grade up to 60% K 2 O complying with the fertilizer industry. Keywords: cationic flotation ,hemical and operating factors potash sylvinite 1.

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Reverse flotation-cold crystallization process for ...

2020-9-7  Reverse flotation-cold crystallization process for producing potassium chloride

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Morpholine-Based Gemini Surfactant: Synthesis and Its ...

Potassium fertilizer plays a critical role in increasing the food production. Carnallite is concentrated by reverse froth flotation and used as a raw material to produce potassium fertilizer (KCl) in agriculture. However, all the surfactants used in the carnallite reverse flotation process are conventional monomeric surfactants contain a single similar hydrophobic group in the molecule, which ...

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Method of floating calcium carbonate ore and flotation ...

9. The flotation reagent of claim 7 wherein R 5 is an alkyl group having 10-20 carbon atoms and that sum of n 1, n 2 and n 3 is 12-30. 10. The flotation reagent of claim 7 wherein 70-100% of all alkyleneoxy groups in the alkylene oxide adduct are ethyleneoxy groups and 0-30% are propyleneoxy groups. 11.

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