desilication

desilication

[dē‚sil·ə′kā·shən]
(geochemistry)
Removal of silica, as from rock or a magma.
References in periodicals archive ?
Remnant sodium hydroxide (NaOH) and sodium carbonate ([Na.sub.2]C[O.sub.3]) from the Bayer process plus the formation of desilication products (DSP), sodalite and cancrinite, result in Na being the dominant ion in unamended residue.
Li, Effect of sequential desilication and dealumination on catalytic performance of ZSM-5 catalyst for pyridine and 3-picoline synthesis, J.
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Direct flotation shows us the useful and effective techniques for Desilication from diaspore bauxite [4]; Feng et al., 2001 Lu et al., 2002).
[136] observed desilication and partial decomposition of highly dealuminated zeolite Y framework resulting in Al enrichment.
Clay sample from this cold region is subjected to little desilication, hence silicon concentrations is therefore stable as silicates minerals.
Studies on recovery of vanadium from desilication residue obtained from processing of a spent catalyst // Hydrometallurgy.
Furthermore, the mineralogical composition (~58% quartz, 22% hematite, 7% gibbsite, 5% goethite, 1% anatase, 1% desilication product (DSP), 1% muscovite, and 0.3% boehmite; Taylor and Pearson 2001), and the presence of amorphous Fe and Al oxides (0.7%) ,suggest BRS contains colloids that can limit plant nutrient availability due to specific adsorption mechanisms (e.g.
The two pressure filters, meanwhile, were a new Latham Engineering 470 [mm.sup.2] deammoniation scrubber filter and a reconditioned Lathan 2,000 x 1,500 mm desilication filter.
Isa district of Queensland, with all process stages of beneficiation, leaching, evaporating, desilication, and precipitation of the product being achieved.
of species 34 48 47 53 42 66 A second possible explanation for the peak in total P at the Kohala site is that desilication rates may exceed losses of P throughout early soil development, resulting in P enrichment of the soil profile at mid-soil development.