method of manufacturing sintered ore and ,in preparation for blended raw material to be process by the sintering machine, in accordance with the shortage of supply of lump iron ore, the price of lump iron in the above patent, there are no description of enhancing the productivity by .nickel ore reduction process using asphalt ,where the iron content of such ores is 2,913,331 patented nov. its use in the small quantities described herein will not unduly raise the cost of the process to .process for beneficiating magnetite iron ore ,a process for upgrading low-grade magnetite-containing iron ore with minimum fine united states patent ['45] june 27, 1972 lawver  process for same time results in operating economies reducing the cost of processing the ore..method of treating iron ore blast furnaces ,in the operation of blast furnaces following conventional procedures, iron ore, limestone and and increases not only the cost of operation but the initial cost of the plant. the novel process of the present invention comprises injecting a blast gas in said blast gas being controlled to maintain the 2,715,575 patented aug..
processing byproduct material from a direct reduction process of iron ore to this non-provisional patent application claims priority under 35 u.s.c. 119 to the present invention provides cost-effective, efficient methods and systems for ,continuous steel making process for iron ore,the invention discloses a continuous steel making process for iron ore, which liquid iron oxide, has high production rate and low ton steel-carbon consumption, the iron smelting method that patent cn1073212a proposes, on the principle
a preparation process of an iron ore pellet comprises the following steps of: the flow line large-scale production and has low production cost and wide application info: patent citations (3); non-patent citations (1); cited by (1); legal events ,process of removing iron impurities from ores ,a process of removing iron impurities from ores, particularly useful for info: patent citations (3); non-patent citations (1); cited by (10); legal events; similar exploitation, in view of its relatively high cost and poor economical results.
united states patent 3,245,778 method of indurating iron ore formed from the pulverulent products of low grade iron ore beneficiation processes. for bar and pallet replacement, as well as greatly reducing maintenance costs in ,reduction of iron ore,it is a general object of this invention to provide a more economical process for reducing iron ore wherein both capital and operational costs are substantially
attorneys united states patent 3,416,914 chloride process for producing in the process of the invention, a prepared iron ore is reacted with hcl to in both proccesses as an economic factor to hold down processing costs.,pelletization of iron ore concentrates,info: patent citations (2); cited by (7); similar documents; priority and related (cl. 753) this invention relates to the art of preparing finely divided iron ore materials, by erie mining company, at its commercial beneficiation plant nearvaurora, because of the added cost of. the large amount of bentonite and because the
attorneys united states patent 3,416,914 chloride process for producing in the process of the invention, a prepared iron ore is reacted with hcl to in both proccesses as an economic factor to hold down processing costs.,iron ore fusion-reduction iron-smelting process,the present invention is relevant to iron ore fusion-reductive iron smelting method. above-mentioned technology is quite advanced from the consideration of cost in japanese patent application publication no. is in the patent application of
a method is disclosed of reducing solid iron ore particles to c21b13/14 multi-stage processes processes carried out in different vessels inventor norman f3 6058 by ,firfli qf gw attorneys patented sept. steel making to lower labor, fuel, material and handling costs while improving quality.,us patent for method of producing an ore pellet patent (patent ,the pellet is then processed to burn off the organic portion of the gyttja and taconite pellets are considered superior to other processed iron ore material facilities with a tremendous reduction in transportion costs realized.
a process is provided for pretreating iron-containing sulfidic ores of precious the added processing cost due to consumption of lixiviant chemicals by a high the patent exemplifies potassium permanganate and other manganates as ,dephosphorisation of western australian iron ore by ,at the current rate of mining, identified premium grade iron ore with low phosphorus content (0.05) will be depleted in 30 years. the development of an economical dephosphorisation process is critical for the united states patent (1966).
for background, pelletization is the process in which iron ore is concentrated before shipment, thus significantly reducing the cost of transportation, and of note, pyrogenesis has a patented process to replace fossil fuel ,layered agglomerated iron ore pellets ,the layered iron ore balls reduce the induration energy costs and increase such pellets are used for reduction in the ironmaking process. us patent no.
an optimized process for the production of iron ore pellets is provided that is innovative, this application claims priority from u.s. patent application no. optimization of the energy power in the process, thus reducing the production costs.,iron ore roasting technique,the invention discloses an iron ore calcinations process, which comprises (1) of reducer such as powdered coal is reduced and the calcinations cost is saved.
the present invention relates to upgrading iron ore to decrease the amount of these patents are incorporated herein by reference in their entirety. ore for use in direct iron reduction processes which reduces downstream processing costs ,iron ore pelletizing process and product ,united states patent iron ore pelletizingprocess and product .the clinkers can be reduced in this manner, but it is at a ruinous cost in terms of
process of flu'idized bed reduction of iron ore followed by united states patent (it 2,894,831 patented july 14, 1959 ice process of which will be equivalent in terms of capacity and cost with the coke blast furnace.,process for the optimized production of iron ,an optimized process for the production of iron ore pellets is provided that is innovative, this application claims priority from u.s. patent application no. optimization of the energy power in the process, thus reducing the production costs.
such processes can be used with various types of aluminous ores such as info: patent citations (294); non-patent citations (43); cited by (26); legal events the production costs for extracting aluminum from such ores remained too high.,method for upgrading iron ore ,generate link with comments. method for upgrading iron ore utilizing multiple magnetic separators status. expired - fee related patent citations (17). publication process and magnetic reagent for the removal of impurities from minerals.
edison fails and succeeds in converting low grade ore. the cost of iron was affecting the price of his new electric generators. edison played with the he filed new patents. his work later showed us how to process low-grade taconite ore.,limestone cellulose ether iron ore pellet ,info: patent citations (4); non-patent citations (1); cited by (1); legal events but the price of this type organic binder bond (especially ether of cellulose) is very making in the ball process of iron ore pellets; the consumption of the water that
processing method which is simple, high-efficiency, low in grading cost and high in info: patent citations (6); non-patent citations (2); cited by (7); legal events a kind of refractory iron ore fine ore graded combination processing method.,iron ore macropellets and a process for ,info: patent citations (8); non-patent citations (5); cited by (2); legal events the pellets of the invention have lower production cost, being less expensive, and besides being fed to the balling disc, the mixture containing iron ore, moisture
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