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Enhanced Phosphorus Release from Phosphate Rock Activated with Lignite by Mechanical Microcrystallization: Effects of Several Typical Grinding Parameters

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  • Xian-mei Zhang

    (School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences (Beijing), Beijing 100083, China
    School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China)

  • Yi Li

    (School of Materials and metallurgy, Guizhou University, Guiyang 550025, China)

  • Cheng Hu

    (School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences (Beijing), Beijing 100083, China)

  • Zhen-quan He

    (School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
    Zibo Tsingda Powder Material Engineering Co, Ltd., Zibo 255000, China)

  • Ming-xing Wen

    (School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences (Beijing), Beijing 100083, China)

  • Guo-sheng Gai

    (School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China)

  • Zhao-hui Huang

    (School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences (Beijing), Beijing 100083, China)

  • Yu-fen Yang

    (School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
    Zibo Tsingda Powder Material Engineering Co, Ltd., Zibo 255000, China)

  • Xiang-Yang Hao

    (School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences (Beijing), Beijing 100083, China)

  • Xiao-yan Li

    (Tianjin cement industry design and research institute Co. Ltd., Tianjin 300400, China)

Abstract

Recently, microcrystallization technology has gained much interest because of the enhanced dissolution of the target sample and promotion of the sustainable development of agriculture. Phosphorus (P) is one of the most important nutrients for increasing crop yield; the increase in effective P ratio directly from raw phosphate rock (PR) powder by mechanical grinding to increase its microcrystallinity is believed to be the best choice for this purpose. This study reports the improvement in the activation property of PR powder with different lignite ratios (1%, 2%, 3%, and 5%), particularly the relationship between particle-size distribution, specific surface area, granule morphology, and the citric acid-soluble P. It was found that a 3% lignite addition was the optimal treatment for increasing the release of citric acid-soluble P. The maximum total amount of dry matter from rapeseed cultivation and the available P after the test increased by 56.1% and 89.6%, respectively, with direct use of PR and microcrystallized PR powder (PR2), compared with the control test without any addition of phosphate minerals.

Suggested Citation

  • Xian-mei Zhang & Yi Li & Cheng Hu & Zhen-quan He & Ming-xing Wen & Guo-sheng Gai & Zhao-hui Huang & Yu-fen Yang & Xiang-Yang Hao & Xiao-yan Li, 2019. "Enhanced Phosphorus Release from Phosphate Rock Activated with Lignite by Mechanical Microcrystallization: Effects of Several Typical Grinding Parameters," Sustainability, MDPI, vol. 11(4), pages 1-16, February.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:4:p:1068-:d:207019
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    Citations

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    Cited by:

    1. Nana Fang & Shuai Liang & Huimin Dai & Hongye Xiao & Xiaomeng Han & Guodong Liu, 2022. "The Improved Phosphorus Solubility of Mechanochemically Activated Phosphate Rock and Its Effect on Soil-Available Phosphorus in Weakly Acidic Soil," Sustainability, MDPI, vol. 14(13), pages 1-12, June.
    2. Lea Piscitelli & Zineb Bennani & Daniel El Chami & Donato Mondelli, 2022. "A Circular Economy Model to Improve Phosphate Rock Fertiliser Using Agro-Food By-Products," Sustainability, MDPI, vol. 14(23), pages 1-13, December.

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