leaching bacteria

См. также в других словарях:

• bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …   Universalium

• leaching — 1. Removal of the soluble constituents of a substance by running water through it. 2. Solubilization of metals, typically from poor ores, using lithotrophic bacteria. [A.S. leccan, to wet] * * * leach·ing (lēchґing) lixiviation …   Medical dictionary

• bacterial leaching — noun (mining) see under ↑leach1 • • • Main Entry: ↑bacteria bacterial leaching The use of selected strains of bacteria to accelerate the acid leach of sulphide minerals • • • Main Entry: ↑leach …   Useful english dictionary

• soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   Universalium

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Bioleaching — is the extraction of specific metals from their ores through the use of bacteria. Bioleaching is one of several applications within biohydrometallurgy and several methods are used to recover copper, zinc, lead, arsenic, antimony, nickel,… …   Wikipedia

• Organic farming — Agriculture General …   Wikipedia

• Chemistry of biofilm prevention — Biofilm formation occurs when free floating microorganisms attach themselves to a surface. They secrete extracellular polymers that provide a structural matrix and facilitate adhesion. Because biofilms protect the bacteria, they are often more… …   Wikipedia

• Corrosion — v · d · e Materials failure modes Buckling · …   Wikipedia

• Tailings — A panorama of Broken Hill, New South Wales, backed by the man made mullock (waste tailings) heaps from the Line of Lode mine (the mullock heaps are the hills that stretch across this image). Tailings, also called mine dumps, slimes, tails, leach… …   Wikipedia

• In-situ leach — In situ leaching (ISL), also called in situ recovery (ISR) or solution mining, is a process of recovering minerals such as copper and uranium through boreholes drilled into the deposit. The process initially involves drilling of holes into the… …   Wikipedia