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·Raw Material The raw ore from western Hubei Province China was collected as the representative raw material Figure 1 illustrates the morphology and element distribution of high phosphorous oolitic hematite Element mapping from Figure 1 a shows that the P and Ca elements overlapped and existed in the form of fluorapatite which was the ring pillar or fine
·The iron ore in China is characterized as "poor fine and complicated " with the limitation of beneficiation technology leading to the loss of some iron minerals in the tailings which contain an
·In this study the beneficiation of high phosphorus siderite ore by acid leaching dephosphorization alkaline oxide reinforced carbothermic reduction and magnetic separation is investigated X ray diffraction XRD scanning electron microscopy SEM and energy dispersive analysis EDS are employed to characterize the samples
·In this study a high phosphorus oolitic iron ore containing % Fe and % P from western Hubei of China was collected as the sample The chemical composition mineral composition structure characteristics dissemination characteristics and iron and phosphorus occurrence state were carried out to investigate the mineralogical characteristics of the high
·The iron ore reserves of billion tons account for approximately % of the sedimentary iron ore in China Lu et al 1994 The high phosphorus oolitic hematite has the characteristics of low grade iron content and high level harmful impurities such as phosphorus and aluminium Wei 2010 which limit the development of this oolitic
·Deep dephosphorization of high‑phosphorus oolitic iron ore HPOIO is extremely difficult because of its refractory characteristics A new approach for simultaneous iron recovery and
Soc China v 22 p 2806−2812 2012 investigated the phosphorus removal of oolitic hematite ore of high content of iron by applying a reductive calcination with dephosphorizing agent Na 2 SO 4 and Na 2 CO 3 The calcined mass was subjected
·The use of phosphorus by mankind is long established From use in agriculture foods high tech electronics and more recently in EV battery cathode production one cannot escape its impact on today s society This paper will review and describe the circular journey of phosphorus through its value chain from the mining operation of phosphate ore through
·Therefore people have to gradually turn their attention to lower grade symbiotic iron ore resources The iron ore with high phosphorus content is a common complex symbiotic iron ore species and it is widely distributed in the United States France Russia Australia and China [[1] [2] [3]] The phosphorus in the leaching solution was re
China is rich in high phosphorus iron ore resources accounting for more than 10% of the total iron ore resources so the development and utilization of high phosphorus iron ore was the inevitable choice of resource Phosphorus does great harm to the properties of steel so it must be removed or reduced to a reasonable range
·Ningxiang type oolitic hematite is the main type and is a typical kind of sedimentary ore containing about 40 wt% 55 wt% Fe and wt% wt% P; its proven reserves are about billion tons which account for wt% of the reserves of sedimentary iron ore in China Xiao et al 2020; Yu et al 2011; Zhang et al 2019a
·High phosphorus P iron ore particularly oolitic hematite has remained unexploited due to technological and cost limitations in mining Effectively developing this ore involves not just utilizing its iron content but crucially extracting P to reduce exploitation costs Here we applied a direct reduction magnetic separation process to recover these valuable
·Despite the recent success of the reverse anionic flotation of iron ores in the Anshan province in China reverse cationic flotation remains the most popular flotation route used in the iron ore industry Ma 2012a Comparing reverse anionic and cationic flotation is difficult because the processes are governed by the chemical physical and metallurgical properties of
·High phosphorous oolitic hematite ore is one of typical intractable iron ores in China and the conventional beneficiation methods are found to be impracticable to remove phosphorus from the ore
In China high phosphorus iron ore also known as "China Ningxiang type iron ore" is widely distributed in Hubei Hunan and other regions It has been found that this kind of iron ore reserves are around billion tons and the Guandian iron ore reserves in Jianshi County Enshi Prefecture Hubei Province alone have exceeded 420 million tons
·Deep dephosphorization of high‑phosphorus oolitic iron ore HPOIO is extremely difficult because of its refractory characteristics A new approach for simultaneous iron recovery and dephosphorization from HPOIO by oxidation roasting gas based reduction ORGR and magnetic separation process was developed The underlying mechanism was investigated
·The high phosphorous iron HPI ore waste is one of the major categories of iron mine wastes whose industrial performance is reduced due to its high phosphorous level In order to use high phosphorus Iron ores waste many studies have been carried out for the dephosphorization of these wastes by a diversity of methods An et al 2014; Delvasto
·Australia s iron ore industry is undergoing a major transformation Reserves of traditional high grade ores are becoming depleted while the replacement ore types are lower in grade and sometimes require beneficiation to remove or minimise contaminants such as alumina silica and phosphorus Dukino et al 2000 The phosphorus content of Australian iron ores is a
·low phosphorus ore is exploited making premium grade resources more scarce and leaving mines enriched in high phosphorus ore [2] Although it is a well established fact that these type of ores can
·High phosphorus iron ore is abundant in the United States Canada France Egypt Australia and China However it is not widely used due to the high impurity content Baioumy et al 2017 Schwid et al 2020 Donskoi et al 2022 With the depletion of high grade iron ores efficient utilization of low grade iron ores is of great strategic significance to ensure
With the rapid development of the world steel industry the reserves of high quality iron ore are declining significantly Extracting iron from low grade iron ores is currently required to meet raw material requirements [1] [2] [3] High phosphorus oolitic hematite with widely spread and abundant reserves above 140 billion tons plays an important role in advancing the iron and
