Sentence examples for lead concentrate from inspiring English sources

Glencore also agreed to supply Chinese companies with a minimum amount of copper, zinc and lead concentrate through the end of the decade to ease concerns that China might face shortages metals needed for its local economy.

Before lead concentrate can be charged into traditional blast furnaces for smelting, it must be roasted to remove most of the sulfur and to agglomerate further the fine flotation products so that they will not be blown out of the blast furnace.

Waelz oxide is a zinc and lead concentrate pyrometallurgically derived from electric arc furnace dust.

The lead concentrate was washed with distilled water; the mineral suspension was wet sieved using a 75 μm sieve in order to obtain two fractions.

This preliminary study deals with the influence of main factors in batch bioleaching over the arsenic solubilization from a complex lead concentrate.

Lead concentrates shipped from the concentration mill to the smelter contain 40 to 80 percent or more lead, with varying amounts of impurities, of which sulfur (up to 30 percent) and zinc (up to 15 percent) are most common.

His daughter Penelope (Joanne Howarth) has followed his lead, concentrating on her hobbies.

Chinese smelters are becoming dependent on imported lead concentrates to meet targets, and world supplies are tight.

Crude ore is milled in the city; lead concentrates are then shipped to Port Pirie (South Australia) for refining.

Sintered zinc and lead concentrates, mixed with metallurgical coke, are charged into the top of a shaft furnace, into which preheated air is blown through nozzles, or tuyeres, at the base (see figure).

The QSL, or Queneau-Schuhmann-Lurgi, process treats all grades of lead concentrates, including chemically complex secondary minerals, in a refractory-lined reactor into which oxygen and natural gas are blown through tuyeres at the bottom.