Coal based reduction and magnetic separation behavior of low grade vanadium titanium magnetite pellets were studied in this paper It is found that the metallization degree increased obviously with an increase in the temperature from 1100 °C to 1400 °C The phase composition transformation was specifically analyzed with X ray diffraction XRD The
V separation 1 Introduction Global vanadium reserves stand at approximately 22 million tons of which China s contribution is magnetic separation tailings were weighed and analysed to
This coal based direct reduction magnetic separation technique is demonstrated to be effective to recover iron from vanadium tailings for the first time Vanadium slag/epoxy resin composites were prepared shielding and material properties of materials were tested by 60 Co gamma ray simultaneous DSC TGA electronic universal testing
The microwave assisted reduction behaviours of two low grade iron ores having a similar Fe content of 49wt% but distinctly different mineralogical and liberation characteristics were studied Their performances in terms of the iron grade and recovery as obtained from statistically designed microwave MW roasting followed by low intensity magnetic separation
In a typical reduction roasting magnetic separation process VTM pellets are reduced by coal at high temperature 1200 1300 °C for 3 4 h after pre treatment the reduced pellets are ground to μm or μm by a ball mill or rod mill device [13] Finally magnetic product and non magnetic product are separated under a certain
Direct reduction magnetic separation followed by low temperature chlorination was a promising process to comprehensively utilize vanadium bearing titanomagnetite VTM Herein the conversion of titanium oxides to TiC/TiN/Ti C N is extremely critical Metalizing reduction and magnetic separation of vanadium titano magnetite based on
Direct reduction magnetic separation followed by low temperature chlorination was a promising process to comprehensively utilize vanadium bearing titanomagnetite VTM Herein the conversion of titanium oxides to TiC/TiN/Ti C N is extremely critical Metalizing reduction and magnetic separation of vanadium titano magnetite based on
We present an optimized magnetic separation process to improve the recovery of high content vanadium and titanium concentrates from vanadium‑titanium magnetite VTM ore
The recovery of ilmenite from vanadium titanomagnetite in Panxi area generally adopts high intensity magnetic flotation as the principle process This process technology is relatively mature and has certain adaptability but the −38 μm fine ilmenite has not been effectively recovered and a large number of −38 μm particles are directly discarded as slime
An innovative method for recovering valuable elements from vanadium bearing titanomagnetite is proposed This method involves two procedures low temperature roasting of vanadium bearing titanomagnetite and water leaching of roasting slag During the roasting process the reduction of iron oxides to metallic iron the sodium oxidation of vanadium oxides
Grinding sieving and magnetic separation were combined to recover metallic iron from the converter slag and yielded approximately % of iron in which the iron content was as high as 85% and the non magnetic concentrate contains % vanadium with a yield of % and % titanium with a yield of %
This paper proposes a new technique for preparation of high grade titanium slag from Panzhihua vanadium titanomagnetite concentrate by reduction melting magnetic separation processing Chemical analysis x ray diffraction and scanning electron microscopy in conjunction with energy dispersive spectroscopy were used to characterize the samples The effective
magnetic separation experiments were carried out on a magnetic separator to obtain magnetic and non mag netic materials The chemical composition of the reduction and magnetic separation products was determined by ion spectroscopy using inductively coupled plasma atomic emission spectroscopy ICP AES; optima 8300dv Per kinElmer
Comparative separation tests of vanadium titano magnetite VTM were conducted in this study by employing a high pressure grinding roller HPGR and a jaw crusher JC ; these were followed by a parallel and stage separation respectively The concentrate of the magnetic separation is the final iron concentrate titanium magnetite and the
This study is focused on the detailed investigation of the process mineralogyProcess mineralogy of a typical Vanadium titano magnetite concentrateVanadium titano magnetite and recovery of iron and titanium from oxidized vanadium titano magnetite by gas based reduction roasting and magnetic separation J Mater Res Technol 8 3 3036 3043
V bearing titanoferrous magnetite is a valuable ore even though it has a low vanadium concentration and is the main raw material for vanadium extraction V containing magnetite can occur as either the titanomagnetite or Ti free magnetite Magnetic separation systems are mainly used in magnetic concentration of minerals such as finely
vanadium bearing metallic iron from vanadium tailings via a semi molten reduction magnetic separation method was investigated The effects of the reductant carbon dosage temperature
Up to ± % of vanadium could be removed from the aquifer by the applied magnetic field and the vanadium in the aquifer after the reaction was mainly in the acid extractable and reducible states pH had a strong effect on the magnetic recovery of V V while the influence of initial V V concentration was weak
Magnetic separation equipment is widely used in the separation of magnetic minerals Low intensity magnetic separator is mainly used for the separation of minerals with specific magnetic susceptibility greater than 1 × 10 −6 m 3 /kg such as magnetite vanadium titano magnetite pyrrhotite and other minerals Medium intensity magnetic separator is
International Journal of Minerals Metallurgy and Materials The reduction of vanadium titano magnetite pellets by H2 CO at temperatures from 850 to 1050°C was investigated in
In this paper magnetization roasting low intensity magnetic separation was performed on a pre concentration concentrate obtained from an Australian hematite containing titanium and vanadium to realize the separation of titanium and vanadium The results showed that an iron concentrate with TFe total iron grade of % iron recovery of % and V 2
© Copyright 2024 By Ore Crushing Equipment Manufacturer
