(redirected from leaching)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to leaching: Heap leaching

leach away

[for something] to erode or wash away gradually by leaching. The soft sandstone leached away under the constant rains. The flowerpots sat out in the rain, where all the nutrients in the soil leached away.
See also: away, leach

leach in (to something)

[for a substance] to seep or penetrate into something. The salt leached into the soil and ruined it. A tremendous amount of salt leached in.
See also: leach

leach out of something

[for a substance] to seep or drain out of something. All the nutrients leached out of the soil and nothing would grow. The phosphorus leached out of the soil after a few years.
See also: leach, of, out

leach something away (from something)

 and leach something out (of something); leach something out; leach something away
to remove something from something by leaching. The heavy rains leached nutrients away from the soil. The rains leached away the nutrients.
See also: away, leach
References in periodicals archive ?
The agitated tank leach provides for rapid leaching of the copper followed by gold-silver and improved recoveries.
Leaching processes constitute the first step of the hydrometallurgical methods and leaching kinetics an economically plays an important role in the extraction of metals and compounds [2].
The relatively short leaching time has the potential to require a significantly smaller processing plant and higher throughput compared to a traditional inorganic acid plant and this is likely to improve the cost dynamics for tropical nickel laterite deposits considerably," said Resource Mining Corporation Managing Director Warwick Davies.
Limited information is available in open literature about the impact of ammonia on the copper leaching of treated wood.
Why wait for years of study to determine when these toxic materials will start leaching and poisoning us, when electronics makers can start using safer materials today?
UV weathering, essentially a breakdown and sloughing off of wood fibers, repeatedly exposes surfaces to CCA leaching.
One particular project Laurentian researchers will be focussing on is corrosion issues associated with this process and hydrometallurgic implications in general, including the possible use of incorporating titanium-based alloys for the construction of the autoclaves, vessels used in pressure leaching.
Several authors studied hydrometallurgical methods of processing of lateritic nickel ores in various leaching media [2-9].
In addition to the distilled water leaching, a citrate buffer solution was used as a highly aggressive leaching medium.
Laboratory studies by Stilwell, Stan Lebow, a forest products technologist with the Forest Service, and Townsend--all working independently--have also demonstrated similar amounts of leaching under a variety of conditions.
In addition, testing on the shotblast dust indicated a wide variability in leaching characteristics.
Heap leaching is one of several economic techniques for recovery of precious metals.
Metallurgical test work was undertaken on two composite samples comprising oxide ore and mixed ore flotation tailings from across the range of mineralogy that constitute the feed to the atmospheric leaching circuit.
This paper presents results of a 1-year study that continuously monitored chromated copper arsenate (CCA) leaching from aboveground, naturally exposed 38-mm by 137.
While lead leaching from crushed glass of black-and-white TV tubes and monitors never reached that limit, lead from all 30 color units exceeded that concentration, Townsend and his colleagues report in the Oct.