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Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from the remaining chromite impurities to obtain an ilmenite with 1 or less chromiteGet Details
Numdoped magnetic nanoparticles almnp was synthesized and explored for its phosphate removal properties the synthesis method was simple and scalable and the prepared material had a high value of saturation magnetization indicating the easiness of magnetic separation of the nanoparticles from the liquid phase the almnp also showed highGet Details
These phosphoruscontaining silicate phases were considered to be readily dissolved in caustic and acid solutions resulting in phosphorus removal patrick and lovel 2001 proposed that larnite dicalcium silicate is the dominant phosphoruscontaining phase in iron ore sinter produced at approximately 1300 c leaching of the sinter with 4Get Details
Separation of phosphorus and magnetic mineral fines from mfs of this ore were investigated in the present work the results indied that the iron phase in the raw ore was predominantly metallic iron with an iron particle size below 30 m and the phosphorus compound was apatite during both dry and wet magnetic separation processesGet Details
Separated by wet magnetic separation method since the magnetic properties differ for different phases it is possible to separate each phase with the aid of magnetic separation by applying magnetic field to the crushed slag sample phosphorus lean and rich phases may be notably separatedGet Details
Jan 10 2014 evolution of feo t a cao b and p 2 o 5 c contents in the magnetic fractions of ld slag as function of intensity of magnetic field of wet magnetic separation the grinding of steel slag and magnetic separation are necessary for a better separation of a high grade iron compounds which can be directly recycled in converter steel millGet Details
The cooled slag was then crushed milled and separated by wet magnetic separation method since the magnetic properties differ for different phases it is possible to separate each phase with the aid of magnetic separation by applying magnetic field to the crushed slag sample phosphorus lean and rich phases may be notably separatedGet Details
Jan 13 2012 subsequently wet magnetic separation was conducted to examine the relations between iron recovery ratio and cooling conditions the results show that the slags under the four cooling conditions mainly contained dicalcium silicate ro phase fe t o 2caofeal 2 o 3 and calcium ferriteGet Details
The findings demonstrate that wet magnetic separation may be used to concentrate monazite mineral from low grade lateritic ores where complete liberation of the constituent minerals has been achievedGet Details
Meanwhile adding mgo and mno into slag can improve the metallization of slag and magnetism of ironrich phase make the magnetic substances content increase and separation of phosphorus and iron incomplete so it is adverse to phosphorus resources recovery from pbearing slag by magnetic separation methodGet Details
Paramagnetism depending on mno composition on the other hand the magnetic property of phosphorus enriched phase has been found as an antimagnetism 8 since the magnetic property of each phase has found to be significantly different the authors have tried wet magnetic separation process to recover manganese enriched phase and phosphorusGet Details
Therefore the separation of phosphorusbearing gangue and metallic iron can be achieved by wet grinding and magnetic separation and low phosphorus content metallic iron powder can be obtained however when the temperature reached 1250c and beyond some of the fluorapatite was reduced to elemental p and diffused into the metallic iron phaseGet Details
Wet drum magnetic separators of special design may be used as a magnetic thickener for thickening purpose of magnetic concentrates usually at the end of a magnetic separation process or as a highintensity magnetic separator for the removal of very fine ferromagnetic particles and iron corrosions produced in the grinding process of aGet Details
The magnetic separation showed a concentration factor for phosphorus and iron of 23 high gradient magnetic separation phosphorus recovery principle of large scale wet magneticGet Details
Moreover the crystal size of prich c 2 s grew faster at 1673 k and after magnetic separation phosphorus in the magnetic fraction mainly came from unliberated c 2 s it is thus clear that the degree of liberation of prich c 2 s is the key factor affecting the efficiency of separation however few studies have focused on this factorGet Details
Phosphoruscontaining oolitic hematite ore by adding a large amount of additive during the reduction process 2728 for example reduced iron with 007 phosphorus was obtained by magnetic separation following the coalbased reduction of an oolitic hematite ore containing 083 phosphorus with the addition of 15 caoh2 and 3 na2co3Get Details
They include magnetic separation capillary action dissolution and carbothermic reduction since each method has its own merits and demerits the best choice of single or combination of the technology options is critical to effective p recovery and separation from steelmaking slagGet Details
Phosphorus partitioning and recovery of lowphosphorus ironrich compounds through physical separation of linzdonawitz slagGet Details
Request pdf magnetic separation of phosphorus enriched phase from multiphase dephosphorization slag the authors have found that phosphorus exhibits remarkable segregation in exhausted actualGet Details
Of phosphorus through reacting with the gangues and destroying the concentric and layered oolitic structure 14 li et al extracted the iron from oolitic hematite ore by deep reduction at 1200 c for 60 min with 25 coal content followed by wetmagnetic separation of the reduced ore with the iron powder produced containing 9135 feGet Details
Attempts were made to lower the p content of ld slag by adopting various beneficiation techniques dry highintensity magnetic separation and jigging were performed on asreceived samples with particle sizes of 6 and 3 mm spiral separation was conducted using samples ground toGet Details
Magnetic separation of hematite and limonite fines as hydrophobic flocs from iron ores information on wet magnetic separation of magnesite wastes of pcontaining slag inclusions andGet Details
The cooled slag was then crushed milled and separated by wet magnetic separation method since the magnetic properties differ for different phases it is possible to separate each phase with theGet Details