How to use Leaching in a sentence
The result is a great destruction of the humus of the soil, and great leaching and washing, especially in the light loams of the hill country of the United States.
In all processes the silver ore is finely crushed, usually by rolls, as, because making few fines, they leave the ore in the best condition for leaching.
Bromadiolone is readily adsorbed on soil, rich in clay and organic compounds, with no leaching; degradation in soil is significant.
By leaching water through the wood ash a substance called lye was obtained, which was strongly alkaline.
The effective diameter of the fiber is also reduced through leaching of minerals from the surface layer.Advertisement
Standard leaching tests are largely not capable of evaluating the long term leaching behavior of AFBC residues at disposal sites.
It is little wonder that these chemicals are leaching into the rice grown there and thus showing up in the food our infants eat.
Nutrient leaching is a significant source of water pollution.
During the tattoo process, thousands of holes were created by the tattoo machine's needle, and those holes need to be protected to prevent infection, promote healing and keep your ink from leaching out.
Traditionally, lye was made at home by leaching water through wood ashes.Advertisement
Considering handwashing your tank top to avoid the color from leaching out.
There can be no question that a deep soil is better for the cottonplant; but the expense of obtaining it, the risk of injuring the soil through leaching, and the danger of bringing poor soil to the surface, have led many planters to oppose this plan.
The ores, having been broken and ground, generally in tube mills, until they pass a 150 to 200-mesh sieve, are transferred to the leaching vats, which are constructed of wood, iron or masonry; steel vats, coated inside and out with pitch, of circular section and holding up to woo tons, have come into use.
The leaching is generally carried out with a strong, medium, and with a weak liquor, in the order given; sometimes there is a preliminary leaching with a weak liquor.
Ferrous chloride is not much used; the Douglas-Hunt process uses a mixture of salt and ferrous sulphate which involves the formation of ferrous chloride, and the new Douglas-Hunt process employs sulphuric acid in which ferrous chloride is added after leaching.Advertisement
Sodium chloride, characteristic of the Augustin process in which the ores, after a chloridizing roast, were extracted with brine, and the silver precipitated by copper, has almost wholly fallen into disuse; and potassium cyanide, which has become a very important solvent for finely divided gold, is rarely used in leaching silver ores.
To obtain the rare, pure copper requires smelting, leaching, or electrolysis.
If the burningup of humus and the leaching of the soil could be prevented, there is no reason whyia cotton soil should not produce good crops continuously for an indefinite time.
This method of extraction contrasts favourably in time with the leaching process, which is so slow that over io,000,000 tons of ore are always under treatment on the immense leaching floors of the company's works in Spain.
In leaching, the silver ore is subjected to the action of solvents, which dissolve the silver; from the solution the silver is precipitated and converted into a marketable product.Advertisement
The ore, supposed to have been salt-roasted, is charged loosely into the leaching vat and treated with water (to which sulphuric acid or copper sulphate may have been added), to remove soluble salts, which might later on be precipitated with the silver (base-metal chlorides), or overcharge the solution (sodium chloride and sulphate), or interfere with the solvent power (sodium sulphate).