ore reduction

ore reduction

[′ȯr ri‚dək·shən]
(mining engineering)
The size reduction of solids by crushing and grinding in mineral processing plants.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
s metal smelting and steel production via iron ore reduction blast furnace coke usage.
They are used for crushed stone, hard rock and ore reduction, and C & D recycling applications.
The total workforce stands at 210,000, of which 142,000 are in the devolved structure.STAFFING REPORTA draft status of staffing report compiled by April shows ore reduction in staff at national level, piling pressure on employees.
The following main results were obtained: (1) the gasification reaction rate of biomass char is faster than that of coke in a couple of dozen times; (2) the reduction of the composite begins at about 550[degrees]C, and the reactivity of the carbon iron ore composite with biomass char is remarkably faster than that with coke; and (3) the reaction rate of carbon iron ore composite with highly reactive reducing agent is controlled from both reaction rate of carbon gasification and iron ore reduction.
With adequate engineering experience the company provides best of technologies in the field of industrial cooling solutions, air pollution solutions, iron ore reduction, gasification, scarp processing, material handling, briquetting, iron ore beneficiation etc associated with industries and manufacturing units.
The 70 papers discuss such matters as the mechanical analysis of the splicing form of cross-section multiple-angle steel for transmission lines, hydrocyclone two-phase flow experimental research based on fluid mechanics, optimizing sanding parameters for wood surfaces of the magnolia tree Magnoliaceae glanca Blume, carbon deposition during iron ore reduction in carbon monoxide, and analyzing the thermal performance of the heat pipe in all-glass evacuated tubular solar collectors with properties of pipe materials.
The preheated primary-reducing gases enter the ore-filled retorts which are in the primary cycle of ore reduction. The gases pass downward through a fixed bed of ore and a portion of the hydrogen is converted to HO.
So plugging the borough's expanding tax void could ride on a number of proposed commercial ventures, including an alpine ski resort at Hatcher Pass, an airplane manufacturing plant in Palmer, a hotel complex near Talkeetna and an iron ore reduction plant at Point MacKenzie.
The estimated cost of liquid iron produced by ore reduction is very low, about $100/ton.