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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 schoenite (K 2 SO 4 MgSO 4 6H 2 O) and sylvite (KCl) in order to recover potash values. The flotation characteristics of these double salts have now been …
This process allows an industrial-scale treatment for the selective recovery of kainite from mineral mixtures with the aid of the flotation process. The invention relates to a process for the selective flotation of kainite from ground potash ores or, for example, from crystallized salt mixtures which are obtained by evaporation processes and can contain other minerals in addition to kainite, such as halite, sylvite and other salt …
Apr 01, 2010 · The flotation chemistry of potassium double salts: schoenite, kainite, and carnallite
Aug 01, 2002 · M Hancer, J.D MillerThe flotation chemistry of potassium double salts: Schoenite, Kainite, and Carnallite
In Hancock, Meacham McLaughlin (1993), p. 105 and in “The Flotation chemistry of potassium double salts: Schoenite, Kainite and Carnallite”, Materials Engineering, Hancer et al., Vol. 13, No. 14-15, 1483-1493/2000, it is described that kainite is difficult to flotate and must be transformed into other salts such as schoenite, since schoenite is easier to flotate. Direct flotation of kainite …
Apr 25, 2019 · Flotation processing technology of water-soluble minerals has made it ossible to realise, since the 1960s, the wide scale industrial processing of potash and potassium-magnesium ores (about 200
Indeed, in such salt mixtures the potassium is almost always present chemically combined with another salt in a "double salt;" for instance, as langbeinite, kainite or glaserite, which salts are
Essentially pure schoenite is leached to produce potassium sulfate and a sulfate leach liquor. The sulfate leach liquor is then brought into contact with a crystal crop predominating in potassium-containing double salts of magnesium sulfate. The quantity of double salt mixed with the leach liquor is limited to that which nearly saturates the liquor with respect to sodium chloride
US2977186A US720030A US72003058A US2977186A US 2977186 A US2977186 A US 2977186A US 720030 A US720030 A US 720030A US 72003058 A US72003058 A US 72003058A US 2977186 A US2977186 A US 2977186A Authority US United States Prior art keywords magnesium potassium carnallite parts sodium Prior art date 1957-03-12 Legal status (The legal status is …
Die Erfindung betrifft ein Verfahren zur selektiven Flotation von Kainit aus gemahlenen Kalirohsalzen oder z. B. aus durch Eindampfverfahren gewonnene kristallisierte Salzgemische, die außer Kainit weitere Minerale wie z. B. Halit, Sylvin und andere Salzminerale enthalten können, zur Herstellung einer Kainit-Konzentratfraktion und einer Rückstandsfraktion
mineral pada batuan. 37 Full PDFs related to this paper. READ PAPER
A great deal of progress has been made in the development of materials, their application to structures, and their adaptation to a variety of systems and integrated across a wide range of industrial applications. This encyclopedia serves the rapidly expanding demand for information on technological developments. In addition to providing information for manufacturers and …
----- DEVELOPMENT DOCUMENT for PROPOSED EFFLUENT LIMITATIONS GUIDELINES, NEW SOURCE PERFORMANCE STANDARDS, AND PRETREATMENT STANDARDS for the TEXTILE MILLS POINT SOURCE CATEGORY Douglas M. Costle Administrator Robert B. Schaffer Director, Effluent Guidelines Division John E. Riley Chief, Wood Products and Fibers Branch James R. …
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chemical for chrome flotation process. Flotation ReagentsMineral Processing &MetallurgyFlotation reagentsmay be roughly classified, according to their function, into the following groups: Frothers, Promoters, Depressants, Activators, Sulphidizers, Regulators. The order of these groups is no indication of their relative importanceand it is
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May 01, 1992 · The flotation chemistry of potassium double salts: Schoenite, kainite, and carnallite. Minerals Engineering 2000 , 13 (14-15) , 1483-1493. https://doi.org/10.1016/S0892-6875(00)00132-1
Potash is the main source of Potassium which is one of the three basic plant nutrients along with nitrogen and phosphorus. Between 60 to 80% of the potash ore is processed by flotation, the other two important unit operations are hot or cold crystallization and electrostatic separation. Almost all the published literature on potash flotation refers to the insoluble minerals as …