1,720,982 research outputs found
Effect of compost and manure amendments on zinc bioavailability in an artificially contaminated soil
No full textEffect of compost and manure amendments on zinc soil speciation, plant content, and translocation in an artificially contaminated soil.
No full textEffetto del compost sulla speciazione dello Zn in un suolo artificialmente contaminato e in piante coltivate: valutazione con tecniche analitiche convenzionali ed avanzate (raggi X di sincrotrone)
No full textApplicazione di compost ed effetti sulle disponibilità di metalli pesanti in un suolo artificialmente contaminato
No full textTwo different analytical approaches in Laser Induced Breakdown Spectroscopy (LIBS) technique to determine elemental concentrations in soils
No full textUsing LIBS to investigate elemental content in plants and composts during soil remediation processes
No full textValutazione della distribuzione e della speciazione dello zinco in piante di Eruca Vesicaria Cavalieri allevate su di un suolo contaminato ed ammendato con compost: impiego della microtomografia XRF e micro-XANES
No full textEvaluation of flash and slow pyrolysis applied on heavy metal contaminated Sorghum bicolor shoots resulting from phytoremediation
No full textTreatment and/or disposal of metal contaminated biomass are still an unsolved problem. Knowledge of the metal distribution is of prime importance concerning the application of pyrolysis product streams. Sorghum bicolor (L.) Moench was cultivated in a semi-hydroponic system to assess its potential use in phytoremediation and biomass production. Plants were grown in a greenhouse using perlite as substrate, half-strength Hoagland's solution as control (CTR) and the same solution supplemented with a mixture of Ni and Zn (CTM; 10 g m−3 each). Shoot and root biomass were determined and analyzed for their metals content. Flash and slow pyrolysis were performed on S. bicolor shoots at 450 °C. Biomass and pyrolysis products were analyzed focusing on metal distribution. Mass and energy balances were determined. S. bicolor delivered good shoot biomass with relatively moderate concentrations of Ni and Zn. Metal concentrations in the pyrolysis oils were below detection limits and almost all metals accumulated in the char. In fact, 99% of Ni and 98% of Zn were recovered in the char when a slow pyrolysis process was applied, while in flash pyrolysis conditions both metals were found back in the char and in the heating transfer medium. Furthermore, the percentages of char and oil were higher in slow pyrolysis compared to flash pyrolysis. Energy recovery in the char from slow pyrolysis was higher than flash pyrolysis. Flash and slow pyrolysis can likely offer a valuable processing method for metal contaminated biomass, thus limiting the waste disposal problem associated with phytoremediation of metals
Effect of compost amendment on zinc speciation in soil and edible plants (Eruca vesicaria Cavalieri): Evaluation with conventional and advanced techniques
No full textμ-XANES speciation of Zn in rhizospheric soil and in edible plants grown on a polluted soil amended with compost
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