leach

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Related to leaching: Heap leaching

leach away

1. To become dissolved, eroded, or carried away, by or as by some percolating liquid. Nutrients in the soil have continued leaching away as the groundwater become more acidic. The calcium in the sandstone leached away over time as water levels rose.
2. To dissolve, erode, or carry something away due to percolation. In this usage, a noun or pronoun can be used between "leach" and "away." Increasingly acidic water has been leaching away important minerals from the land. Over time, the saltwater leached the limestone away all along the coastline.
See also: away, leach

leach in

To enter (some substance or material) through percolation. Rising seas have allowed high concentrations of salt to leach in across these coastal farmlands. After the spill, acids and other toxins began leaching in on the cliffsides.
See also: leach

leach into (something)

To enter into some substance or material through percolation. Rising seas have allowed high concentrations of salt to leach into the soil across these coastal farmlands. After the spill, acids and other toxins began leaching into the cliffsides these birds call home.
See also: leach

leach out of

1. To become dissolved, eroded, or carried out of, by or as by some percolating liquid. Nutrients have continued leaching out of the soil as the groundwater become more acidic. Calcium leached out of the sandstone over time as water levels continued to rise.
2. To dissolve, erode, or carry something out of due to percolation. In this usage, a noun or pronoun is used between "leach" and "out of." Increasingly acidic water has been leaching important minerals out of the land. Over time, the saltwater leached the limestone out of the cliffs along the coastline.
See also: leach, of, out

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 ?
Construction and financing risks will be lower, as mining and heap leaching will not require external funding.
During the in situ leaching of ion-adsorption rare earth ores, the pore structure of the ore body changes dynamically with the injection strength and the duration of liquid injection.
The objective of the study is to enhance the uranium leaching efficiency based on the premise that the coals after leaching are suitable for reuse.
Leaching of the shale residue with organic acids produced by A.
(1) Leaching test in different rainfall pH: a bulk sample of 600 g of each material was divided into three leaching columns and parallel control groups for each waste were established.
These challenges were fulfilled by variety of hydrometallurgical processes which require low thermal energy such as atmospheric acid leaching [20], microwave caustic leaching [22], high pressure acid leaching [21], two-stage acid leaching [18] and the reactions with different acids [20, 23-26] or with concentrated alkaline solution have been studied [10, 18, 24, 26, 27].
When nitrogen is applied as basal at the beginning of the crop season, nitrogen is more susceptible to losses, especially nitrogen leaching [7, 20].
The parameters for leaching process about synthetic mixtures were investigated in laboratory experiments.
Chemical oxidation rates mainly depend on electrode potentials (EP) of different mineral phases and redox potential ([E.sub.h]) of the leaching medium.
Solid residues after leaching were analyzed by this method, too.
(SC) and Phelps Dodge (PD) announced on October 4 their agreement on restart of copper concentrator and construction of copper concentrate leaching facility at Morenci copper mine in Arizona.
A laboratory leaching test was performed on treated cubes to determine the influence of copper retentions and addition of up to 1 percent ammonia on the retention and leaching of copper in the treated cubes.
In a separate experiment, the scientists compared leaching in 10 minutes of contact between condom rubber and artificial sweat with the effect of an hour-long exposure.
Townsend performed an EPA test known as the toxicity characteristic leaching procedure (TCLP) on a variety of electronic items including computer CPUs S(central processing units), televisions, videocassette recorders, printers, cellular phones, remote controls, computer mice and keyboards, and smoke alarms.
Animal operations and even leaching from old septic tanks have been correlated with the movement of [NO.sub.3]-N to underground water (Hallberg, 1989).