生物质灰作为一种潜在的新型工业磷资源源

IF 0.2 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Spisanie Na B Lgarskoto Geologichesko Druzhestov-Review of the Bulgarian Geological Society Pub Date : 2022-12-01 DOI:10.52215/rev.bgs.2022.83.3.199

S. Vassilev, C. Vassileva

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引用次数: 0

摘要

研究了8种生物质灰中磷的含量和存在方式。研究发现，BAs富含P，其浓度在0.3-4.4%（平均1.7%）之间变化。P含量最高（>2%）的是农业残留物产生的灰烬，即李子坑、向日葵壳和玉米芯。结果表明，磷在BAs中的赋存方式主要与磷灰石和白榴石有关。因此，与有限和不可再生的磷矿石相比，具有可再生和碳中性来源的BAs可能是潜在的磷回收及其在工业中利用的替代和非常有前景的资源。

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Biomass ash as a new potential rеsource of phosphorous for industry

The content and modes of occurrence of phosphorous (P) in eight biomass ashes (BAs) were studied. It was found that BAs are enriched in P as its concentration varies in the range 0.3–4.4% (mean 1.7%). The highest contents of P (>2 %) are characteristic of ashes produced from agricultural residues, namely plum pits, sunflower shells and corn cobs. It was identified that the modes of P occurrence in BAs are related mostly to apatite and whitlockite. Hence, BAs having renewable and C-neutral origin could be alternative and very perspective resource for the potential recovery of P and its utilization in industry in contrast to finite and non-renewable phosphate rocks.

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Spisanie Na B Lgarskoto Geologichesko Druzhestov-Review of the Bulgarian Geological Society GEOSCIENCES, MULTIDISCIPLINARY-

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