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首页> 外文期刊>Environmental Science & Technology >Transformation of Phosphorus during (Hydro)thermal Treatments of Solid Biowastes: Reaction Mechanisms and Implications for P Reclamation and Recycling
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Transformation of Phosphorus during (Hydro)thermal Treatments of Solid Biowastes: Reaction Mechanisms and Implications for P Reclamation and Recycling

机译：固体生物废料（水）热处理过程中磷的转化：磷复垦和循环利用的反应机理及其意义

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摘要

Phosphorus (P) is an essential nutrient for all organisms, thus playing unique and critical roles at the food-energy-water nexus. Most P utilized by human activities eventually converges into various solid biowastes, such as crop biomass, animal manures, and sewage sludges. Therefore, integration of efficient P recovery practices into solid biowaste management will not only significantly reduce the dependence on limited geological P resources but also reduce P runoff and related water contamination issues associated with traditional waste management strategies. This study reviews the applications of (hydro) thermal techniques for the treatment of solid biowastes, which can greatly facilitate P recovery in addition to waste volume reduction, decontamination, and energy recovery. Research showed that P speciation (including molecular moiety, complex-ation state, and mineralogy) can experience significant changes during (hydro) thermal treatments, and are impacted by treatment techniques and conditions. Changes in P speciation and overall properties of the products can alter the mobility and bioavailability of P, and subsequent P reclamation and recycling efficiency of the treatment products. This review summarizes recent progresses in this direction, identifies the challenges and knowledge gaps, and provides a foundation for future research efforts targeting at sustainable management of nutrient-rich biowastes.
机译：磷（P）是所有生物的必需营养素，因此在食物-能量-水之间的联系中发挥着独特而关键的作用。人类活动所利用的大多数磷最终会汇聚为各种固体生物废物，例如农作物生物量，动物粪便和污水污泥。因此，将有效的磷回收方法整合到固体生物废物管理中，不仅会大大减少对有限地质磷资源的依赖，而且会减少磷径流以及与传统废物管理策略相关的水污染问题。这项研究回顾了（水）热技术在处理固体生物废物中的应用，该技术除了减少废物量，净化和能量回收外，还可以大大促进磷的回收。研究表明，磷形态（包括分子部分，络合态和矿物学）在（加氢）热处理过程中可能发生重大变化，并受到处理技术和条件的影响。磷形态和产品总体性能的变化会改变磷的迁移率和生物利用度，进而改变处理产品的磷回收利用和再循环效率。这篇综述总结了该方向的最新进展，指出了挑战和知识差距，并为今后针对可持续管理富含营养的生物废物的研究工作奠定了基础。

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  • 来源
    《Environmental Science & Technology》 |2017年第18期|10284-10298|共15页
  • 作者

    Rixiang Huang; Ci Fang; Xiaowei Lu; Rongfeng Jiang; Yuanzhi Tang;

  • 作者单位

    School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0340, United States;

    School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0340, United States,College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China;

    School of Civil and Environmental Engineering, University of South Carolina, Columbia, South Carolina 29208, United States;

    College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China;

    School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332-0340, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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