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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2020.12.014
|2 doi
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|a pubmed24n1064.xml
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|a (DE-627)NLM319251454
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|a (NLM)33360817
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|a (PII)S0956-053X(20)30703-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Rehl, Erwin
|e verfasserin
|4 aut
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|a Mobility of biomass ash constituents as influenced by pretreatment and soil - An artificial weathering study
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 02.02.2021
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|a Date Revised 02.02.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Ltd. All rights reserved.
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|a Biomass ashes are potential soil amendments that reduce soil acidity and provide plant nutrients, but trace elements in ash may be leached from the solid phase, thereby posing environmental concerns. We determined the leachability of selected major elements, trace elements and anions from wood derived bottom ash generated from an updraft gasifier as influenced by ash pretreatments and the presence of soil via serial aqueous batch extraction. We found that self-hardening reduced initial solubility and reactivity of ash (i.e. lowered electrical conductivity), and reduced initial aqueous concentrations of Ba, Ca, Cu, Fe, Hg, Pb, Sr and Zn. But, hardening of ash increased initial aqueous concentrations of B, Cr, P, Se and SO42-. Although mixing ash into soil (5% ash by mass) generally decreased the mobility of most constituents, aqueous concentrations of P and As were increased relative to that of either ash-alone or soil-alone treatments. Overall, extract concentrations of constituents in various treatments were relatively low. Results of this serial batch extraction support the use of clean wood-derived bottom ash as a safe and environmentally suitable soil amendment
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|a Journal Article
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|a Ash pretreatment
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|a Gasifier
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|a Serial batch extraction
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|a Soil amendment
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|a Waste management
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|a Wood ash
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| 650 |
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|a Coal Ash
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Trace Elements
|2 NLM
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| 700 |
1 |
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|a Reimer, Kerry B
|e verfasserin
|4 aut
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1 |
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|a Rutherford, P Michael
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 121(2021) vom: 15. Feb., Seite 186-197
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:121
|g year:2021
|g day:15
|g month:02
|g pages:186-197
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|u http://dx.doi.org/10.1016/j.wasman.2020.12.014
|3 Volltext
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