Flotation of sodium carbonate and sodium bicarbonate salts …
The flotation response of soluble salts; halides, oxyanion salts and double salts has been explained (Hancer and Miller, 1999, Hancer and Miller, 2000; Hancer et al., 2001) based on the thermal stability of the salt and whether or not the salt acts as a water structure maker or a water structure breaker. Three physicochemical properties of ...
Some physicochemical aspects of water-soluble mineral flotation
In the process of water-soluble salt flotation, substances in water suspensions tend to form hydration shells or layers, which physically prevent direct contact among the substances. ... The flotation chemistry of potassium double salts: ite, kainite, and carnalite. Miner Eng (2000) ... global metal ore chemical …
APPLIED CHEMISTRY Efficient Recovery of Potassium
1. Introduction. We report here an efficient scheme for the recovery of KCl from the liquid effluent obtained during ite (K2SO4â MgSO4â6H2O) preparation from a kainite...
The Flotation of Water-Soluble Minerals — Peculiarities …
flotation chemical processing of carnallite ore from Upper Kama deposits are developed (Sabirov and Titkov, 1997). The introduction of the flotation of salts in saturated saline solutions KCl-NaCl-H 2 O, KCl-NaCl-MgCl 2-H 2 O, MgCl 2-KCl-NaCl-H 2 O significantly reduces the solution of cation collectors (alkylamines and alkylmorpholines).
Preparation of potassium ite by direct flotation …
Hancer, M.; Miller, J.D. 2000: The flotation chemistry of potassium double salts : ite, kainite, and carnallite Minerals Engineering 13(14-15): 1483-1493 Yi, Q; Li, W; Zhang, X; Feng, J; Zhang, J; Wu, J 2015: Tech-economic evaluation of waste cooking oil to bio-flotation agent technology in the coal flotation industry Journal of Cleaner ...
The flotation chemistry of potassium double salts: ite…
The same approach can be use to explain the flotation response of the potassium double salts; ite, kainite, and carnallite. In addition, the sign of the surface charge of ite (K2SO4MgSO46H2O), was determined as a function of pH from nonequilibrium electrophoretic mobility measurements.
? Flotation response of ite, kainite and carnallite as a …
In this paper, recent progress with respect to the flotation chemistry of soluble salt minerals is reviewed, and some of the more relevant issues including the hydration states of ions, the ...
Flotation of Potash for Carnallite Resources in Khur Playa of …
CONCLUSION: The research found that introducing industrial oils into the flotation system ensures potassium chloride extraction at the same level 93.25–94.86% as when using a collective mixture ...
Surface chemistry features in the flotation of KCl
DOI: 10.1016/J.MINENG.2009.11.010 Corpus ID: 94663721; Surface chemistry features in the flotation of KCl @article{Cao2010SurfaceCF, title={Surface chemistry features in the flotation of KCl}, author={Qin-bo Cao and Hao Du and Jan D. Miller and Xuming Wang and Fangqin Cheng}, journal={Minerals Engineering}, year={2010}, volume={23}, …
Fundamental aspects of soluble salt flotation
Now, the surface charge.collector colloid adsorption hypothesis has been extended to successfully explain the flotation behavior of certain alkali oxyanions including nitrates and sulfates as well as double salts including ite (K 2 SO 4 ·MgSO 4 ·6H 2 O) and kainite (KCl·MgSO 4 ·3H 2 O). As was done previously for the alkali halides ...
WO2016086910A1
In Hancock, Meacham McLaughlin (1993), p. 105 and in "The Flotation chemistry of potassium double salts: ite, Kainite and Carnallite", Materials Enginering, Hancer et al., Vol. 13, No. 14-15, 1483-1493 / 2000, it is reported that kainite is difficult to float and must be converted to other salts such as schistite, as ite is better ...
Flotation surface chemistry of water-soluble salt minerals: …
The flotation separation of water-soluble salt minerals has to be conducted under the condition of saturation in brines which represents a challenging but exciting topic of colloid and surface ...
The flotation chemistry of potassium double salts: ite, …
ite appears to exhibit three charge reversals (CR) which can be explained based on surface hydrolysis reactions. The flotation behavior of ite is further …
Potassium sulphate (SOP)
• Leaching of the ite to potassium sulphate. ... Either double salt can be transformed into pure K 2 SO 4 by a partial leach or in greater yield by reacting it with additional KCL Where ... M. and Miller, J. D. 2000. "The flotation chemistry of potassium double salts: ite, kainite, and carnallite, Minerals Engineering, Vol. …
Surface chemistry features in the flotation of KCl
In this regard, the purpose of this paper is to examine the surface chemistry of selected surfactants such as ODA, DDA, and SDS, especially ODA, at the KCl and NaCl salt surfaces as revealed by results from flotation tests, contact angle measurements, microscopy observation, and molecular dynamics simulation (MDS). 2.
(PDF) Efficient Recovery of Potassium Chloride from Liquid …
Although bittern of oceanic origin can be utilized for the production of K2SO4 via kainite (KCl·MgSO4·2.75H2O) and ite (K2SO4·MgSO4·6H2O) double salts, certain limitations are ...
Understanding the role of ion interactions in soluble salt flotation
As seen in Fig. 1, Fig. 2, high flotation recovery of KCl crystals can be achieved using both cationic (dodecylamine hydrochloride) and anionic (sodium dodecylsulfate) collectors but NaCl crystals cannot be floated with either of these collectors.As mentioned above, in brines the double layer thickness is very thin at salt …
Potassium Salt Flotation from Salt Lake Evaporites
The U.S. Bureau of Mines and Great Salt Lake Minerals and Chemical Corp. developed a froth flotation process for concentrating potassium salts from Great Salt Lake solar evaporites containing about 5 percent K. The crude evaporites, which were predominately halite (NaCl) with smaller amounts of kainite (KCl·MgSO4·2·7H2O) and …
The Significance of Interfacial Water Structure in Soluble Salt
It has been found that soluble salt flotation either with the cationic DAH or anionic SDS collector is possible only if the salt is a structure breaker, in which intermolecular hydrogen bonding between water molecules is disrupted. Flotation of soluble salts with dodecyl amine hydrochloride (DAH) and sodium dodecyl sulfate …
APPLIED CHEMISTRY Efficient Recovery of Potassium
K2SO4 (commonly known as sulfate of potash, or SOP, in the fertilizer industry) is a dual fertilizer, typically containing 50.0-52.0% K2O and 17.0-18.0% S and having low salt index. This makes it ...
[PDF] Surface Properties and Flotation Characteristics of …
Flotation of soluble salt minerals such as potash, trona and borax exhibits similarities because all are conducted in their brine solutions. The most commercially important boron minerals in the world are borax (Na2B4O7.10H2O), colemanite (Ca2B6O11.5H2O), ulexite (NaCaB5O9.8H2O), and kernite (Na2B4O7.4H2O). Most of …
The flotation chemistry of potassium double salts: ite, …
M Hancer, J.D Miller. Abstract It is known from soluble salt flotation practice that the K, Mg double salts of kainite (KClMgSO43H2O), and carnallite (KClMgCl26H2O) are …
The flotation chemistry of potassium double salts: ite, …
The flotation chemistry of potassium double salts: ite, kainite, and carnallite | Semantic Scholar. DOI: 10.1016/S0892-6875 (00)00132-1. Corpus ID: …
Low temperature molecular dynamic simulation of water …
The low flotation recovery of sylvite from salt lakes at low temperatures has dogged the cryogenic producer for many years. Interfacial water structure at sylvite crystal surfaces has been considered as one noticeable aspect on interpreting the selected KCl collection during flotation, and so the microscopic structure of the water membrane over …
The flotation chemistry of potassium double salts: ite, …
Abstract. It is known from soluble salt flotation practice that the K, Mg double salts of kainite (KClMgSO 4 3H 2 O), and carnallite (KClMgCl 2 6H 2 O) are difficult to float and must be converted to other salts such as ite (K 2 SO 4 MgSO 4 6H …
Flotation chemistry of soluble salt minerals: from ion …
In this paper, recent progress with respect to the flotation chemistry of soluble salt minerals is reviewed, and some of the more relevant issues including the …
Water structure and its influence on the flotation of …
DOI: 10.1016/J.JCIS.2007.05.086 Corpus ID: 24116662; Water structure and its influence on the flotation of carbonate and bicarbonate salts. @article{Ozdemir2007WaterSA, title={Water structure and its influence on the flotation of carbonate and bicarbonate salts.}, author={Orhan Ozdemir and M. S. Çelik and Zh. S. Nickolov and J. David Miller}, …
Flotation chemistry of soluble salt minerals: From ion …
The flotation separation of water-soluble salt minerals has to be conducted under the condition of saturation in brines which represents a challenging but exciting topic of colloid and surface ...
Surface chemistry features in the flotation of KCl
On the other hand salts that are classified as water structure makers such as NaCl, stabilize the interfacial water structure at the salt/brine interface and the flotation of these salts with either the cationic or anionic 12C collector is not possible (Du and Miller, 2007, Du et al., 2007, Hancer et al., 2001, Ozdemir et al., 2006).
Study on the Preparation of ite from K-Mg Mixing Salt …
ite is a kind of intermediate material to produce potassium sulfate.And it is also a kind of good compound fertilizer without chlorine.In the experiment,ite was prepared by K-Mg mixing salt from dongtaijinaier salt lake with reverse flotation method to remove sodium and conversion method by adding water.The process conditions such as …