Ji Jun Study On Dephosphorization Technology For High Phosphorus

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Selective Leaching of Vanadium from Roasted Stone Coal by

2 Hubei Provincial Engineering Technology Research Center of High Efficient Cleaning Utilization for Shale Vanadium Resource Wuhan 430081 China [10] The removal of phosphorus from high phosphorus iron ores using acid leaching had also been investigated by Chen and Jin and the high removal rate of phosphorus In this study the

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CN100522375C

The present invention relates to a method of beneficiation oolite high phosphorus hematite The technical scheme is The weight percentage of high phosphorus oolitic hematite after crushing 80 to 99% 1 to 20% coal reductant into the shaft furnace or rotary kiln firing the firing temperature is 700 ~ 1050 ℃ the calcination time is 0 5 ~ 2 5h cooled to room temperature seal

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STUDY ON DEPHOSPHORIZATION TECHNOLOGY FOR HIGH

In this paper the importance of dephosphorization process in treatment of highphosphorus iron ore is discussed based on a review of the present situation in the concerned fieldsA dispersion-selective agglomeration desliming-reverse flotation process is used for treating the Ningxiang oolitic hematite in laboratory testingThe results show that the phosphorus content of iron concentrate can be

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Optimization of Process Parameters for the

The Study Of Dephosphorization From High Phosphorus dephosphorization of iron ore The iron concentrates best conditions of acid leaching dephosphorization are 42 kgt hydrochloric acid dosage 35 pulp concentration 8603 of 0074mm iron concentrate granularity 3 hours reaction time 200 rmin mixing rate the dephosphorization rate can be achieved

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ji jun study on dephosphorization technology for high

JI Jun Study on dephosphorization technology for Review on the Development of New Technology of Biological Dec 29 2017 facilities at the same time sewage nitrogen and phosphorus removal technology from simple technological innovation to biological research process reform direction to achieve high energy and low consumption of the treatment

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FUNDAMENTAL STUDY OF RED MUD BASED FLUXES FOR

FUNDAMENTAL STUDY OF RED MUD BASED FLUXES FOR DESULPHURIZATION AND DEPHOSPHORIZATION OF HOT METAL by Abdolkarim Danaei B Sc Isfahan University of Technology Iran 1985 M Sc Sharif University of Technology Iran 1993 A dissertation presented to Ryerson University in partial fulfillment of the requirements for the degree of

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Selective Liberation of High

For instance He et al investigated the effect of microwave processing on the dephosphorization of high-phosphorus hematite The result indicated that microwave treatment strengthened the effect of carbothermal reduction on dephosphorization and increased iron content [23] Omran et al studied

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technology process of removal of phosphorus from iron ore

ji jun study on dephosphorization technology for high beneficiation process iron ore dephosphorization [ 49 - 7864 Ratings ] The Gulin product line consisting of more than 30 machines sets the standard for our industry high phosphorus iron ore beneficiation in china industry ji jun study on dephosphorization technology for high Get Info

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microwave technology for iron ore reduction

Microwave dephosphorisation of high phosphorus Dec 18 2015 the Doctoral Training Committee of Technology and that a significant increase in iron grade and a reduction in phosphorus content of the product can phosphorus oolitic iron ore A comparison between microwave and

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Experimental Study on Desilication of the High

In order to promote the rational utilization of high-phosphorus iron ore in western Hubei of China the effect of process parameters on desilication rate of the high-phosphorus hot metal was investigated The results show that the desilication rate increases slightly with indistinctive effect with the increasing of desilication agent addition

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Journal Papers Experimental study on phosphorus

Experimental study on phosphorus distribution ratio and capacity of environment-friendly dephosphorization slag for high-phosphorus hot metal pretreatment AUTHOR F Yang XG Bi JD Zhou file a new and innovative non-explosive rockbreaking technology Prof Dr G K Pradhan November 14 2017 11 34 am

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The Study Of Dephosphorization From High Phosphorus

The residual phosphorus in the waste water after hydrochloric acid recycle was respectively used AlCl 3 FeCl 3 and Ca(OH) 2 to select reagent test In waste water the rate of dephosphorization can reach more than 95% by AlCl 3 which can reach more than 85% by FeCl 3 the rate of dephosphorization can reach more than 92% by Ca(OH) 2

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Process mineralogy and characteristic associations of iron

The chemical compositions mineralogical characteristics as well as dissemination of iron- and phosphorus-based minerals were studied for the E'xi oolitic hematite from western Hubei Province in China by using chemical analysis optical microscope electron probe micro-analyzer (EPMA) and energy dispersive spectroscopy (EDS) It is found that this kind of oolitic hematite ore contains 47 71

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DEVELOPMENT OF A PROCESS FOR DEPHOSPHORISATION OF HIGH

The low phosphorus manganese ores are deplet-ing fast and ferromanganese manufacturers will have no option but to use medium and low grade ores having high phosphorus content resulting in high phosphorus in the product A systematic study was taken up at NML to solve this problem Initially a thermodynamic analysis was carried out for which Ba

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ji jun study on dephosphorization technology for high

study on dephosphorization technology for high-phosphorus study on dephosphorization technology for high-phosphorus iron ore ji jun progress on 2012Wiley: Part I High Efficiency New Metallurgical Technology A Laboratory Investigation of the Reduction of the Siderite Iron Ore to Iron Nugget (pages 16

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Journals On Dephosphorization Of Iron Ore

Ji Jun Study On Dephosphorization Technology For Ji jun study on dephosphorization technology for h Phosphorus Removal of High Phosphorus Iron Ore by Gas JI Jun Study on Dephosphorization Technology for High-Phos- phorus Iron Ore Mining Metallurgy 2003 12(2) 33 (in Chinese) Online Service Get Price Vol 4 No 4 (2013) Grpjournals

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Mechanism of phosphorus removal in beneficiation of high

dephosphorization agent and elucidate the mechanism of phosphorus removal in this process 2 Experimental 2 1 Materials The high phosphorous oolitic hematite (hereinafter referred to as raw ore) used in the study was taken from Western Hubei Province China and the total iron and phosphorus grade were 43 65% and 0 83% respectively

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Dephosphorization of High

Dephosphorization of High-Phosphorus Iron Ore Using Different Sources of Aspergillus niger Strains Xiao C(1) Wu X Chi R Author information (1)Key Laboratory for Green Chemical Process of Ministry of Education Wuhan Institute of Technology 430073 Wuhan China

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Journal Bioresource technology / Publication Year 2019

You searched for Journal Bioresource technology Remove constraint Journal Bioresource technology Publication Year 2019 Remove constraint Publication Year 2019 Source 2019 Remove constraint Source 2019 Start Over Toggle facets Limit your search Text Availability Citation in PubAg 38 Journal

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The Effect of Na2O and K2O flux on the Phosphorus

It is difficult to study phosphorus partition between oxidative dephosphorization slag and carbon-saturated iron bearing high phosphorus content directly since high FeO in the slag reacts with the carbon dissolved in the hot metal causes bubbling and the composition of the flux will change Researchers often obtain the equilibrium

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5th International Symposium on High‐Temperature

Jan 17 2014The analysis development and/or operation of high temperature processes that involve the production of ferrous and nonferrous metals alloys and refractory and ceramic materials are covered in the book High Efficiency New Metallurgical Technology 2 Fundamental Research of Metallurgical Process Industrial Experimental Study on

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Recovery of metallic iron from high phosphorus

Abstract p This study aims to provide theoretical and technical basis for economical and rational use of high phosphorus oolitic hematite Following physical chemical and microscopic characterisation of high phosphorus oolitic hematite ore the feasibility of separation of phosphorus and metallic iron by reduction roasting and magnetic separation process were investigated

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Strengthening iron enrichment and dephosphorization of

Abstract The efficient development and utilization of high-phosphorus oolitic hematite is of great strategic significance for the sustainable supply of iron-ore resources in China In this paper the mechanism of high-temperature pretreatment for enhancing the effect of iron enrichment and dephosphorization in the magnetization roasting–leaching process was studied by X-ray diffraction

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Dephosphorization of Steels – IspatGuru

Aug 15 2016Dephosphorization of steels has become a very important metallurgical technique in steelmaking process to produce high quality steels As the P content is controlled by the reactions in BOF the double slag technique has generally been applied to obtain low P killed steels

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Removal of phosphorus from iron ores by chemical leaching

JI Jun Study on dephosphorization the chnology for high-phosphorus iron ore[J] Mining Metallurgy 2003 12(2) 33–37 An integrated process for the treatment of apatite obtained from dephosphorization of iron ore[J] J Chem Tech Biotechnol 1990 47 47–60 Google Scholar

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Ken Coley

Kezhuan Gu Neslihan Dogan and KENNETH S COLEY "Dephosphorization Kinetics between Bloated Metal Droplet and Slag Containing FeO The Influence of CO Bubbles on the Mass Transfer of Phosphorus in the Metal" Accepted for Publication Metallurgical and Materials Transactions B DOI 10 1007/s11663-017-1070-1

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beneficiation process iron ore dephosphorization

2012-11-28 dephosphorization performance of gas-based reduction and melt separation in the beneficiation of high phosphorous (1 20%) iron ore from Wuhan Iron and Steel Company China The results showed that there was 0 27% phosphorus in the metal sample the oolitic mineral structure was not destroyed during reduction and

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The Chinese Iron Ore Deposits and Ore Production

It would get high-phosphorus deep reduced iron powder (phosphorus content ≥ 1 5%) and then use smelting dephosphorization technology to deal with high-phosphorus iron powder and qualified molten steel at the same time get high-phosphorus steel slag the high-phosphorus steel slag can be used directly as phosphate fertilizer or acid soil

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Effects of Interfacial Oxygen Potential and Slag Phase

potential required for dephosphorization is high while the interfacial oxygen potential required for desilication and demanganization is low 4 2 Phase Changing during Slag Formation Process Phosphorus is removed from the slag-metal interface and the slag phase changing during slag formation process has serious influence on dephosphorization

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Room temperature high

Here we demonstrate high-performance room temperature MIR photodetectors based on black arsenic phosphorus (b-AsP) which is an alloy of black phosphorus with arsenic atoms in the forms of As x P 1−x By varying the composition of phosphorus x the band gap correspondingly changes from 0 3 to 0 15 eV This energy range suggests that b-AsP

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Model for predicting the concentration of phosphorus

phosphorus in the ore is about 1 18% which from all indications is quite high and likely to affect adversely the mechanical properties of the steel involved hence the need for dephosphorization It was reported (Nwoye 2003) that phosphorus can be removed from iron oxide ore through a process associated with hydrometallurgy

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Phosphorus removal performance and biological

In this study IVCWs planted with different plants were employed to evaluate total phosphorus (TP) treatment performance under different hydraulic retention times (HRTs) in summer and autumn The results showed that the systems planted with Canna generalis showed the highest TP removal efficiency (77%) under a three-day HRT in autumn

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